C

Collection Tube Abbreviations

  RT  =  Plain Red top   GYT  =  Gray top   RBL  =  Royal Blue top
  RHalo = Red Halo   YT  =  Yellow top   PT  =  Pink top
  BLT  =  Blue top   GRN  =  Green top   PPT  =  Pearl top
  LT  =  Lavender top   SGRN  =  Special Green   GHalo = Green Halo
Test
(TEST CODE)		 Lab
Section		 Special
Requirements		 Reference Ranges and Critical Values Testing Schedule and Expected
Turnaround
Time
C1 Esterase Inhibitor
(C1EIN)		 Ref 5 ml blood, 1 RT
Separate serum from cells and freeze ASAP 		 10 - 25 mg/dL Mailout: 5-7 days
ARUP
ClQ Binding Assay Ref 10 ml blood, 1 large RT.
Freeze serum		 < 20 µgE/mL Mailout: 5-7 days
ARUP
C2 Complement Component Ref 5 ml blood, 1 Gold Top
Critical Frozen		 1.0 - 4.0 mg/dL Mailout: 5-7 days
ARUP
C3-Proactivator
[Complement Factor B]		 Ref 5 ml blood, 1  Gold Top
Freeze serum		 20 - 51 mg/dL Mailout: 5-7 days
ARUP
C3 [Complement C3]
(C3)   		Immu 5 ml blood, 1 Gold Top 75-150 mg/dL M-F
Cutoff: 2:00 pm
Result: 24 hrs
C4 [Complement C4]
(C4)  		 Immu 5 ml blood, 1 Gold Top 11.3-40.5 mg/dL M-F
Cutoff: 2:00pm
Result: 24 hrs
C. difficile Toxin A or B
(CDIF)    		Micro

Stool 2-3 ml in sterile, no additive, leakproof container.

Must be liquid stool. 		 Negative
Physician will be called with Positive results.		 Daily
Result: 24 Hrs.
C-Peptide
(CPEPT)
 		 Ref 5 ml blood, 1 Gold Top on ice.  Freeze serum within 1 hour. Fasting: 1.1 - 4.6 ng/mL Mailout: 5-7 days
ARUP
C-Reactive Protein, Quant. 
(CRPL)
 		 Chem 5 ml blood, 1 Light Green 0 - 10 mg/L
 		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
C-Reactive Protein, High Sensitivity
(HSCRP)		 Ref 5 ml blood, 1 Gold Top Low risk: < 1.0 mg/L
Average risk: 1.0-3.0 mg/L
High risk: > 3.0 mg/L		 Mailout: 5-7 days
ARUP
CA 15-3
(153CA)
 		 Ref 5 ml blood, 1 Gold Top
Freeze serum for transport		 0 - 35 U/mL Mailout: 5-7 days
ARUP
CA 19-9
(199CA)
 		 Chem 5 ml blood, 1 Gold Top  
 		 <37 U/mL
24 hrs/ 7 days
Results: 2 hrs
CA-125 
(CA125)
 		 Chem 5 ml blood, 1 Gold Top   Females: <35 units/mL
Males: <35 units/mL		 M-F
Cutoff: 12:00 pm
Results: 24-48 hrs
Cadmium, Blood
 		 Ref 7 ml blood, 1 Royal Blue  with EDTA 0 - 5 µg/L Mailout: 5-7 days
ARUP
Cadmium, Urine
 		 Ref 24 hr urine 0.0-3.3 µg/24 hrs Mailout: 5-7 days
ARUP
Caffeine, Serum 
(CAFEN)
 Neonates  (PCAF)
 		 Ref 7 ml serum
Peds: 2 red bullets		 6-20 mg/mL    
Toxic: >40 µg/dL		 Mailout: 5-7 days

Peds mailout to ACH
Calcitonin
(CALCT)		 Ref 5 ml blood, 1 Gold Top Male: 0.0 - 11.5 pg/mL
Female: 0.0 - 4.6 pg/mL		 Mailout: 5-7 days
ARUP
Calcium, Total Serum
(CA)
Neonate (CAP)
 		 Chem/
Peds Lab  		5 ml blood; 1 Light Green

Infant: 1 green bullet tube

 8.7-10.5 mg/dl
Critical Value:
<7.0 or >12.0 mg/dL

<2 mo.:  5.9-11.0 mg/dL
>2 mo.:  9-11 mg/dL
Pediatric Critical: 
<5.9 or >12.6
 

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

Peds Lab:
  Routine: 1hr
    STAT: 30 min
Calcium, Ionized 
Adult (CAI)
 		 Chem Adults: 5 ml blood,  1 Gold Top

 		 Adult: 1.18-1.30 mmol/L
Adult Critical Values:
<1.15 or >1.63 mmol/L

 		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

 
Calcium, Urine 
(UCA)		 Chem 24 hr urine in Type III bottle 0.05 - 0.15 g/24hrs 24 hrs/ 7 days
Rout: 2-4 hrs
STAT: 1 hr
California Encephalitis Antibody
(CALAB)		 Ref 5 ml blood, 1 Gold Top
Separate serum from cells ASAP.  Mark sample as "acute" or "convalescent"		 Interpretive report Mailout: 5-7 days
ARUP
Candida Antigen Serology
(CANAG)		 Ref 5 ml blood, 1 Gold Top
Refrigerate serum.		 Negative Mailout: 5-7 days
ARUP
Cannabinoids, Confirmation/Quantitation Ref Random urine, refrigerated See report Mailout: 5-7 days
ARUP

Cannabinoids, Urine Screen

Chem

5 ml urine

Negative

24 hrs/7 days
Results: 2 hrs
STAT: 1 hr
Carbamazepine {Tegretol}
(CRBAM)		 Chem 5 ml blood, 1 Light Green

See TDM Guidelines

 

 4 - 10 µg/mL
Critical Value:
 >11 µg/mL		 24 hrs/ 7 days
Rout: 2-4 hrs
STAT: 1 hr
Carbon Dioxide, CO2,
Total Serum
Adults (CO2)
Neonates (CO2P)		 Chem/Peds Lab Adults: 5 ml blood, 1 Light Green

Infants: 1 green or amber bullet tube


 

 22 - 31 mEq/L
Critical Values:
<10 or >40 mEq/L		 24 hrs/ 7 days
Rout: 2-4 hrs
STAT: 1 hr
Carcinoembryonic Antigen (CEA2)   Chem See CEA    
Cardiolipin Antibodies, IgG & IgM
(ACLGM)		 Ref (VA) BT or  RT
See the  VA on-line lab manual for more information		 IgG > 23 GPL
IgM > 11 MPL		 Mailout: 5-7 days
 
Carotene
(CAROT)   
Ref 6 ml blood, 1 Gold Top
PROTECT FROM LIGHT.  Freeze serum 		 60 - 200 µg/dL Mailout: 5-7 days
ARUP
Catecholamines, Plasma
(PLCAT)		 Ref 10 ml blood, 2 GRN  (sodium heparin)
Separate plasma from cells ASAP and freeze. 		Epi: 10 - 200 pg/mL
Norepi: 80 - 520 pg/mL
Dopamine: 0 - 20 pg/mL
 		 Mailout: 5-7 days
ARUP
Catecholamines, Urine Free
(CATU)   		Ref 24 hr urine Epi: 0 - 25 µg/24 hrs
NEpi: 0 - 100 µg/24 hrs
Dopa: 60 - 440 µg/24 hrs		 Mailout: 5-7 days
ARUP
Cat Scratch [Bartonella] Antibody-IgG
(CATIG)		 Ref 6 ml blood, 1 Gold Top
Separate serum from cells ASAP.  Mark sample as "acute" or "convalescent"		 Interpretive report Mailout: 5-7 days
ARUP
Cat Scratch [Bartonella] Antibody-IgM
(CATIM)		 Ref 6 ml blood, 1 Gold Top
Separate serum from cells ASAP.  Mark sample as "acute" or "convalescent"		 Intrepretive report Mailout: 5-7 days
ARUP
Cat Scratch [Bartonella] Panel
(CATSF)		 Ref 6 ml blood, 1 Gold Top
Separate serum from cells ASAP.  Mark sample as "acute" or "convalescent"		   Interpretive report Mailout: 5-7 days
ARUP
CBC and Differential
(CBCB)		 Heme  Adults: 3.0 ml blood,1LT
Peds: 1 LT bullet tube
 Click here for CBC normal ranges and critical values

 		 24 hrs/ 7 days
Rout: 2-4 hrs
STAT: 1 hr
CD3 Lymphocyte Levels
(CD3/5)   		Flow 1 LT
 		 Normal Ranges:
CD3: 64-82%;
1171-2005/µl

CD5: 70-82%;
700-3280/µl

Therapeutic range for CD3 or CD5:
< 10%;  100/µl 		M-F
Results: 4-24 hrs
CD4 T Cell Subset
(CD4)   		Flow 1 LT
 		 39-57%,
720-1348/µl 		M-F
Results: 4-24 hrs
CD4/8 Ratio     Flow
 		 See Helper/Suppressor Panel    
CD34 [Human Progenitor Cell Antigen]
(APB34) {ProCount}   		Flow 1 LT
 		 NR = Negative.
Therapeutic range is any increase over the normal range.		 M-F
Results: 4-24 hrs
CEA
(CEA2)		 Chem 5 ml blood; 1 Gold Top  Non-smokers:
0.5 - 2.5 ng/mL
Smokers: 0.5 -10.0 ng/mL		 24 hrs/ 7 days
Rout: 2-4 hrs
STAT: 1 hr
Cell Count and Differential, CSF
(BFS)		 Heme 1 ml CSF (minimum), usually tube #3 
Cell counts cannot be performed on clotted samples.		 <8 mature WBC/µl
100% nonreactive monocytes /   lymphs.
Interpretive report.
Critical Values
1) WBCcount ≤ 10 cells/µl
2) ≥ 50% PMNS
3) Organisms

Neonates:
1)≥ 30 WBC count
2)≥ 50% PMNS
 

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
 
Cell Count and Differential, Peritoneal Lavage
(BFS)		 Heme 10ml fluid minimum in a sterile container. Syringe or bag not acceptable.
Cell counts cannot be performed on clotted samples.		 Negative:
RBC <25,000/µl
WBC < 100/µl
No organisms, foreign material

Blunt Injury-Positive:
RBC >100,000/µl
WBC >500/µl

Penetrating Injury-Positive:
RBC >50,000/µl
WBC >500/µl

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Cell Count and Differential,  Peritoneal Fluid
(BFS)		 Heme 1 ml fluid minimum in a sterile container.  Syringe or bag not acceptable.  Cell counts cannot be performed on clotted specimens. Clear, pale yellow
WBC < 300/µl
No microorganisms
Critical Values:
1) WBC > 500/µl
2) Microorganisms
3) Malignant cells		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Cell Count and Differential, Pleural Fluid 
(BFS)		 Heme 2 ml fluid minimum in a sterile container.   Syringe or bag not acceptable.  Cell counts cannot be performed on clotted specimens. Clear, pale yellow
WBC <1000 /µl
<20% neutrophils
<50% lymphs
>50% mesothelial cells
Interpretive report.
Critical Values:
>1000WBC/µl
>50% PMN
Organisms
Malignant cells		 24 hrs/7 days
Results: 2 hrs
STAT: 1 hr
 
Cell Count and Differential, Synovial
(JNT)		 Heme 2 ml fluid, 1 GRN (sodium heparin)
Syringe or bag not acceptable. Cell counts cannot be performed on clotted specimens.		 Clear, straw and viscous.
WBC <200 /µl
<25% PMN
No crystals seen
Interpretive report.
Critical Values:
1) Uric Acid and calcium              pyrophosphate crystals
2) >1000 WBC/µl
3) >50% PMN's
4) Microorganisms.		 24 hr/7 days
Results: 2 hrs
STAT: 1 hr
 
Celontin
 		  Ref See Methsuximide/ Normethsuximide   Mailout
Centromere Antibody
(ANTC)		 Ref 5 ml blood, 1 RT Negative Mailout: 1-2 days
ARUP
Cerebrospinal Fluid Cell Count and Differential
(BFS)		 Heme See Cell Count and Differential, CSF <8 mature WBC/µl
100% nonreactive
monocytes/ lymphs.
Interpretive report.

See Cell Count and Differential, CSF		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
 
Ceruloplasmin, Serum  
(CERUL)		 Ref 5 ml blood, 1 Gold Top
Separate serum from cells ASAP		 25 - 63 mg/dL Mailout: 5-7 days
ARUP
CH50 Complement  
(CH50C)		 Ref 7 ml blood, large RT on ice.  Separate serum from cells ASAP and freeze. Low: <60 CAE Units
Norm: 60 - 144 CAE Unts
High: >145 CAE Units		 Mailout: 5-7 days
ARUP
Chemotaxis Ref 15 ml heparinized blood sterile, 3 GRN   Interpretive report Mailout: 5-7 days
Chimerism
Pre-Transplant (PRETR)
Post-Transplant (PSTTR)		 Ref (VA) See the VA on-line lab manual for more information.   Mailout:
Chlamydia Antibody- IgG/IgM
(CHLGM)		 Ref 5 ml blood, 1 Gold Top
Separate serum from cells ASAP.  Mark sample as "acute" or "convalescent"		 Interpretive report Mailout: 5-7 days
ARUP
Chlamydia Culture
(CHLAM)		 Ref (ACH) Swab in Special Media. Obtain from UAMS Lab. Send on ice.   No chlamydia isolated Mailout: 3-45 days
Chloramphenicol
(CHLOR)		 Ref 7 ml blood, 1 RT
Freeze serum 		Therapeutic:10 - 20 µg/mL
Toxic: >25 µg/mL		 Mailout: 5-7 days
ARUP
Chlorazepate Ref 10 ml blood, 2 RT or Gold Top Assayed as Nordiazepam
0.1 - 2.2 µg/m
Toxic: >2.5 µg/mL		 Mailout: 5-7 days
ARUP
Chlordiazepoxide
 		 Ref  See Librium   Mailout
Chloride, Adult
Plasma (CL)
 Urine (UCL)
 		 Chem  5 ml blood, 1 Light Green
24 hour urine collection		 Plasma: 100 - 108 mEq/L

Urine: 110 - 250 mEq/24 hr		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
 
Chloride, Neonates
(CLP)		 Peds Lab 1 green tube 100 - 117 mEq/L
Critical Values:
≤90 or ≥120 mEq/L		 24 hrs/ 7 days
Results:
  Routine: 1 hr
  STAT: 15 min
 
Chloride, Sweat ACH Performed at Arkansas Childrens Hospital by appointment. Telephone: 320-1300    
Cholesterol Esters Ref 10 ml blood, 1 Large RT or  2 Gold Top. Patient fasting 12 hours 60 - 75% of total cholesterol Mailout: 5-7 days
Cholesterol, Total 
(CHOL)		 Chem 5 ml blood, 1 GHalo
Patient fasting 12 hours 		ADULT RANGES:
 Desirable: <200 mg/dL
 Borderline: 200-239 mg/dL
 High Risk: >239 mg/dL

CHILDREN and ADOLESCENTS:
 Desirable: <170 mg/dL
 Borderline: 170-199 mg/dL
 High: >199 mg/dL

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Cholesterol-HDL
(HDL)   
 		 Chem 5 ml blood, 1 Light Green 
Patient fasting 12 hours 		Desirable: ≥60 mg/dL
Increased Risk: ≤40 mg/dL		 24 hrs/ 7 days
Results: 2 hrs
 
Cholesterol-LDL ,
calculated   
(LDL)		 Chem 5ml blood, 1 Light Green
Patient fasting 12 hours 		Optimal: < 110 mg/dL
Low risk: 100-129 mg/dL
Borderline risk: 130-159 mg/dL
High: >159 mg/dL

An optional LDL-C goal of less than 70 mg/dL may be considered for patients at high CHD risk.  In children and adolescents a desirable LDL serum cholesterol is less than 110 mg/dL.

24 hrs/ 7 days
Results: 2 hrs
 
Cholesterol-LDL,
measured		 Ref 5 mL blood, 1 Gold Top   Mailout: 5-7 days
ARUP
Cholinesterase [Pseudo], Serum
(PCLNS)		  Ref (ACH) 2 ml blood; 1 Gold Top
Separate serum from cells ASAP.  Freeze serum.		 M: 5.9 -12.2 U/mL
F: 4.7-10.5 U/mL		 Mailout
Cholinesterase, RBC 
(CLNS)		 Ref 5 ml blood; 1 LT
Do not spin or Freeze 		 18-29 U/g Hgb Mailout: 5-7 days
ARUP
Chromium, Serum  Ref 7 ml blood, dark blue tube with no additives.
Separate serum from cells ASAP.  Avoid the use of glass. 		 <0.5 - 2.1 µg/L Mailout: 5-7 days
ARUP
Chromium, Urine Ref 24 hr collection in Type 1 jug.  <0.5 - 5.0 µg/24 hrs Mailout: 5-7 days
ARUP
Chromogranin A Ref 5 ml blood, 1 RT Male: 0 - 76 ng/mL
Fem: 0 - 51 ng/mL		 Mailout: 7-10 days
ARUP
Chromosome Studies Ref Contact  Cytogenetics lab for specimen and transport requirements (526-8000). Interpretive  
Chronic Leukemia/Lymphoma Panel Flow 1 Green top + 1 LT,
Bone marrow aspirate, Biopsy, Tissue or Body Fluid		 Interpretive report.  Includes enumeration of all lymphocytes and subsets. M-F
Results: 24-48 hrs
Citric Acid, Urine
(UCITR)		 Ref 24 urine sample.  Refer to ARUP  manual for specific collection requirements 320 -1240 mg/24 hrs Mailout: 5-7 days
ARUP
CK, Total
(CK)		 Chem 5 ml blood, 1 Light Green Male: 50 - 260 IU/L
Female: 30 - 235 IU/L
 		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
CK Index
Includes CK, CKMB and Index Value
(CKI)		 Chem 5 ml blood, 1 Light Green 0.0 - 2.4 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
CKMB
(CKMB)
   		Chem 5 ml blood, 1 Light Green 0.2 - 5.0 ng/mL
 		 24 hrs/ 7 days
Results: 2-4 hrs
STAT: 1 hr

 

Clindamycin Level
 		 Ref See Antibiotic Level    
Clonazepam
(CLONA)  		Ref 7 ml blood, 1 RT
Freeze serum		 10 - 75 ng/mL based on dosages up to 6 mg/24 hr.
Toxic: >100 ng/mL		 Mailout: 5-7 days
ARUP
Clonidine
(CLOND)		 Ref (1)15 ml RT, (2)gray tops, or urine
 		 Interpretive report Mailout: 5-7 days
ARUP
Clonopin
 		   See Clonazepam.    
Clostridium difficile Toxin A or B Assay
(CDIF)    		Micro

Stool 2-3 ml in sterile, no additive, leakproof container.

Must be liquid stool. 		 Negative
Physician will be called with Positive results.		 Daily
Result: 24 Hrs.
CMV, Quantitative by PCR on plasma
(QCMV)  		Molec.
Diagnostics		 1 Pearl Top Tube None detected M-F
Cutoff: 7:30am
Results: 1-4 days
CMV Culture, Blood ACH Sodium Heparin- Special Green Top Tube.
Keep at room temperature.  Should be sent STAT.  		Negative M-F Mailout
Cutoff: 2 pm
Results: 5-7 days
 
CMV Culture, Urine ACH Sterile Container.  Send on ice.   Negative M-F Mailout
Results: 5-7 days
 
CMV, BAL DFA   ACH Bronchioalveolar  Lavage (1-5 ml) Transport immediately on ice and mark STAT and call 67047. Negative M-F Mailout
Cutoff: 1:30 pm
Results: 1-2 days
 
CMV-IgG
(CMVG)		 Chem 5 ml blood, 1 RT
 		 Negative: CMV IgG antibody not detected

Positive: Significant level of CMV IgG antibody detected, which may indicate current or past infection.

 M-F
Cutoff: 11:30 am
Results: Same day
CMV-IgM  
(CMVM)		 Ref 5 ml blood, 1 RT Interpretive report Mailout: 5-7 days
ARUP
CMV qPCR CSF (CMVCS)   random urine or tall lavender for blood test   ViraCor Laboratories
CO2, Total
Adults (CO2)   
Neonates (CO2P)		 Chem /
Peds Lab

See Carbon Dioxide

    
Cocaine, Urine Screen
(COKE)
 		 Chem 5 ml urine Negative 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

                                       

Cold Agglutinins 
(CLDAG)		 Ref 5 ml blood, 1 RT or Gold Top 
MUST be placed in and transported in warm sand. (available in clin lab).  Keep at 37oC.   		 <1:32 Negative Mailout: 2-5 days
ARUP
Cold Autoabsorption BBK 2 EDTA tubes and order sheet initialed by blood collector. Includes type & antibody screen Negative.
Performed following a positive antibody screen		 24hrs/7days
Compatibility Study [Crossmatch] BBK 2 EDTA tubes and order sheet initialed by blood collector. Includes type & antibody screen Compatible massive transfusions.  Contact  CP resident (688-2820) Valid for 72hrs from the time of draw. 24 hrs/ 7 days
Results: 4 hrs
STAT: 1 hr
Complement C3
(C3)   		Immu See C3    
Complement C4
(C4)  		 Immu See C4    
Complement Decay Rate Ref 5 ml blood, 1 LT 3 ml plasma, freeze  Less than 50%
Total complement: 40-85 CH 50 units		 Mailout: 5-7 days
Complement, Total Hemolytic  Ref 5 ml blood, 1 RT or Gold Top
Transport on ice! 		189 - 420 units Mailout: 5-7 days
Complete Blood Count
 		 Heme See CBC and Differential    
Compound S, Blood Ref 5 ml blood, 1 RT, 1 LT or 1 GRN.  Not appropriate for patients <3 months of age    0.0 - 0.8 µg/dL Mailout: 5-7 days
ARUP
Coombs Test, Direct
Adult
{Antihuman Globulin Test}
(DDC)  		 BBK 1 EDTA tube and order sheet initialed by blood collector.  Profile includes monospecific AHG Eluate (antibody ID of the eluate) & interpretation. 24hrs/7days
Coombs Test, Direct Neonate
{Antihuman Globulin Test}
(DAT)		 BBK 1 EDTA tube of cord specimen or venous blood.  Tube and order sheet initialed by blood collector. Detection of hemolytic disease of newborn (HDN). Eluates performed as indicated. 24hrs/7days
Coombs Test,  Indirect {Antibody Screen}
(IAT) 		BBK 1 EDTA tube and order sheet initialed by blood collector. 
 		 Detection of clinically significant blood group allo-antibodies. 24 hrs/7 days
STAT: 30 min
Copper, Serum 
(COPPR)		 Ref 7 ml blood Dark Blue, no additives. Age and sex specific.  See interpretive report Mailout: 5-7 days
ARUP
Copper, Urine
(UCOPP)		 Ref Random or 24 hr urine Random: 0.2 - 8.0 µg/dL
24 hr: 3 - 35 µg/day		 Mailout: 5-7 days
ARUP
Coproporphyrin /  Uroporphyrin, Urine Ref See Porphyrins, Urine    
Cortisol
(CORT)		 Chem 5 ml blood; 1 Light Green AM: 4.3 - 22.4 µg/dL
PM: 3.1 - 16.7 µg/dL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Cortisol, Urine Free
(URFC)  		Ref 24 hr urine, refrigerated See final report for reference intervals Mailout: 5-7 days
ARUP
Coxsackie A9 Virus Antibodies
(CXA9)		 Ref 6 ml blood, 1 Gold Top
Separate serum from cells ASAP.  Mark sample as "acute" or "convalescent"		 <1:8 No antibody detected Mailout: 5-7 days
ARUP
Coxsackie B Virus Antibodies Ref 6 ml blood, 1 Gold Top
Separate serum from cells ASAP.  Mark sample as "acute" or "convalescent"		 <1:10 No antibody detected Mailout: 5-7 days
ARUP
Creatinine
Adult (CREA)
Neonate (CREAP)		 Chem /
Peds Lab		 Adults: 5 ml blood, 1 Light Green   

Infants: 1 green bullet tube		 Plasma:
Female: 0.6 - 1.1 mg/dL
Male: 0.9-1.3 mg/dL

Pediatric: (Ages 2-17) both Male and Female 0.5-1.0 mg/dL
 		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Peds Lab:
   Routine: 2 hrs
    STAT: 1 hr
  
Creatinine, Amniotic Fluid 
(FCR)		 Chem 1 ml amniotic fluid >2.0 mg/dL 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Creatinine, Urine
(UCR)		 Chem  24 hr timed urine in Type I bottle 0.8 - 1.8 g/24 hr 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Creatinine Clearance
(CLEAR)		 Chem  5 ml blood, 1 Light Green plus 
24 hr urine in Type I bottle.  		97 - 137 ml/min 24 hrs/ 7 days
Results: 2-4 hrs
STAT: 1 hr
Creatine Kinase, Total CK
(CK) 		Chem 5 ml blood, 1 Light Green

See CK

 Male: 50 - 260 IU/L
Female: 30 - 235 IU/L
 		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Crithidia {Anti-DNA)
(DNA)		 Imm See Doublestranded DNA    
Crossmatch
{Compatibility Study}		 BBK 2 EDTA tubes and order sheet initialed by blood collector. Includes type & antibody screen Compatible massive transfusions.  Contact  CP resident (688-2820)
Valid for 72hrs from the time of draw. 		24 hrs/ 7 days
Results: 4 hrs
STAT: 1 hr
CRP, Quantitative
(CRP)		 Chem

See C-Reactive Protein

    
CRP, High Sensitivity
(HSCRP)		 Ref 5 ml blood, 1 Gold Top Low risk: < 1.0 mg/L
Average risk: 1.0-3.0 mg/L
High risk: > 3.0 mg/L		 Mailout:  5-7 days
ARUP
Cryofibrinogen
(CRYFB)		 Ref 1 full BLT. Must be kept at 37°C.  Do not  refrigerate or freeze at any time.  Call lab before sending to schedule. Negative at 72 hours Mailout: 5-7 days
ARUP
Cryoglobulins
(CRYOG)  		Ref 10 ml blood, 1 large RT.
MUST be placed in and transported in warm sand. (available in clin lab).  Keep at 37oC.     		Negative at 72 hours Mailout: 5-7 days
ARUP
Cryptococcal Antigen
(CRYP) 		Micro

5 ml blood, 1 RT or
1 ml CSF

(The sample is titered if positive.  A titer is performed no more frequently than every 7 days.) 

Negative

Physician will be called with Positive results. 		 Daily
Result: Same day
Cryptosporidium Exam Ref

Stool transported in PVA and 10% Formalin collection set.

(pink and blue cap)

(Must be filled to fill line or specimen will be rejected.)

  		 Negative Mailout: 5-7 days
ARUP
Crystal Exam, Synovial Fluid   Heme See Cell Count and Differential, Synovial Fluid      
CSF Oligoclonal Bands Imm 3 ml CSF + 5ml Gold Top.
Send serum Gold Top for electrophoresis.  		No bands detected M-F
Cutoff: 1pm
Result: 24-72 hours
CSF Protein Electrophoresis
(SFPEP)		 Imm 3 ml CSF + 5ml Gold Top.
Send serum Gold Top for electrophoresis.  		Prealbumin: 2-7%
Albumin: 50-70%
Alpha 1: 1-7%
Alpha 2: 3-12%
Beta: 7-23%
Gamma: 3-13%
plus interpretive report		 M-F
Cutoff: 2pm
Result: 24-72 hrs
Culture, Abscess/Wound
(AWCLT)		 Micro

Pus and or drainage collected in Sterile, no additive, leakproof, leakproof container or needle aspirate are preferred. (Swabs are not optimal) 

Decontaminate the skin surface, collect purulent material aseptically from undrained abscesses using a sterile needle and syringe. Alternately, open abscess with scalpel and collect expressed material with syringe or swab. Open wounds will require proper cleansing with removal of scab or existing exudate and the collection of tissue from the leading edge of the wound. Culture swabs are not the collection device of choice, however are frequently submitted due to ease of collection. 		 Negative Daily
Results: 48-72 hrs
Culture, Adenovirus
 		ACH Throat, rectal, or conjunctival swab in  transport media. TRANSPORT ON ICE.  Negative; Positives called to physician
when apparent.		 M-F 8am-2pm
Culture, AFB
(AFCLT)
 		Micro

Sputum (more than 5cc), bronchial washings, bronchial lavage, gastric aspirate, urine (50-100 mL), 1-5 mL CSF, body fluid, tissue, submitted in a sterile, leakproof container. Prefer early morning specimens of urine and sputum (3 consecutive days optimum for sputum). For blood see "AFB Blood Culture"

(Swabs are not acceptable and cause for rejection of specimen.) 

Negative

Physician and infection control will be called with Positive results. 		 M-F.
Results: 6 to 8  wks
Culture, Anaerobic
(ANCLT)		 Micro

Anaerobe transport media or transport to Clinical Lab immediately. Includes gram stain.

Pus and or drainage collected in sterile, no additive, leakproof container or needle aspirate are preferred. (Swabs are not optimal) 

Decontaminate the skin surface, collect purulent material aseptically from undrained abscesses using a sterile needle and syringe. Alternately, open abscess with scalpel and collect expressed material with syringe or swab. Open wounds will require proper cleansing with removal of scab or existing exudate and the collection of tissue from the leading edge of the wound.

§   Anaerobic culture swabs are not the collection device of choice, however are frequently submitted due to ease of collection.

§   Must also have an aerobic culture ordered.

§   Use of anaerobic transport media is required.

§   Place specimen in anaerobic transport media if available. Otherwise, place in a sterile leakproof container and transport to the Microbiology laboratory promptly.

§   Unacceptable specimens: specimens from body sites with normal anaerobic flora (throat, mouth, rectum); urine (clean catch, catheterized); cervix, placenta, IV catheter tips.

 		 Negative Daily
Results: 5 days
Culture, Blood
(BCLT)  		 Micro

Adults: 20 mL total-10mL blood in each aerobic & anaerobic bottle.

Nursery: 0.5-4mL per pediatric bottle

Use Chloraprep to disinfectant skin. Disinfect the tops of the bottles with alcohol swab. Place 8-10 mL blood in BacT/Alert aerobic bottle and 8-10 mL blood in BacT/Alert anaerobic bottle. For samples less than 5 mL, collect blood in pediatric BacT/Alert bottle (yellow).  See Nursing Procedure for Blood Culture Collection 		 Negative
Physician will be called with Positive results.		 Daily
Result: 5 days.

Culture, Blood Culture for Histoplasma

(BCHIS)

 

 Micro

Isolator Tube (10 mL) obtained through the Omni system.

Use Chloraprep to disinfectant skin. Disinfect the tops of the tube with alcohol swab.  See Nursing Procedure for Blood Culture Collection

 

 Negative
Physician will be called with Positive results.

M-F

Results: 4 wks.

 

Culture, Body Fluid
(BFCLT)

 

Includes:

Amniotic, CSF (tube #2), joint fluids, dialysate, paracentesis, peritoneal, thoracentesis, etc.		 Micro Sterile, no additive, leakproof container.  Includes gram stain.

Negative-

Physician will be called with Positive results. 

Daily

Results: 72 hrs. 
Culture, Bone Marrow
(BFCLT)		 Micro

0.5 ml minimum.

When scheduling bone marrow, request technologist to bring special Pediatric Isolator tube to bedside 		 Negative Daily Results:  72 hrs.
Culture, Bone
(BONE) 		Micro

Sterile, no additive, leakproof container. 

Gram stain is not performed. 

Negative-

Physician will be called with Positive results. 		 Daily
Results: 5 days

Culture, Bronchial Alveolar Lavage(BAL) (Culture and Gram Stain)

(BBCLT) 		 Micro 5mL Minimum in a sterile, no additive, leakproof container. Negative Daily
Results: 48-72 hrs.

Culture, Bronchial Brush (Culture and Gram Stain)

(BBCLT)

 

 Micro For quantitative culture, place brush into 1 ml sterile saline. (1 ml saline tubes may be obtained from Microbiology)  Negative

Daily

Results: 48-72 hrs.

 

Culture, Campylobacter

(CAMPC)

 

 Micro

Fresh stool in Cary-Blair preservative/transport vial; fill to the line indicated on vial and mix well.

(Must be filled to fill line or specimen will be rejected.)

Not performed on in-patients who have been hospitalized more than 3 days.

 

Negative

Physician will be called with Positive results.

 

Daily

Results: 48-72 hrs.

 
Culture, Chlamydia
(CHLAM)		 Ref (ACH) Swab in special media. Obtain from Clinical Lab. Send on ice.   No chlamydia isolated Mailout: 1-45 days
Culture, CMV Blood Ref (ACH) Sodium Heparin-Special Green Top Tube.
Keep at room temperature. Should be sent STAT.  		Negative M-F Mailout
Cutoff: 2pm
Results: 5-7 days
Culture, CMV Urine Ref (ACH) Sterile Container. 
Send on ice.   		Negative M-F Mailout
Results: 5-7 days
 
Culture, Cystic Fibrosis (Culture and Gram Stain)
(CFRES)		 Micro Sputum transported in sterile, no additive, leakproof container. Negative Daily
Results: 72 hrs.
Culture, Dialysate 
(BFCLT)		 Micro See Culture, Body Fluid Negative; Positive results called to physician. Daily
Results: Up to 5 days

Culture, Eye/ Corneal Scrapings

(AWCLT)

 

 Micro

§    Media (BAP, CHOC) is available from Microbiology for direct inoculation, particularly of corneal scrapings.

§    Note:  directly plated specimens do not include a gram stain, unless a slide is prepared, too.

Culture transport swab is also acceptable.

 

 Negative Daily
Results: 72 hrs. 
Culture, Fungal
(FNCLT)

 		Micro

Sterile, no additive, leakproof container. 

(Swabs are not acceptable and will be rejected.)

(Fungal smear included.) 

Negative

Physician will be called for cultures exhibiting mould growth.
 		Daily
Results: 4 weeks
Culture, Group B Strep Genital Screen
(GNSTR)		 Micro Vaginal or anorectum swab in Amies transport media (white cap) Negative Daily
Results: 72 hrs
Culture, Gonorrhea (GC)
(GCCLT)		 Micro Swab in Amies with charcoal transport media (green cap)   

Negative

Physician will be called for cultures growing Neisseria gonorrhoeae 		 Daily
Result: 48-72 hrs.
Culture, Herpes ACH Swab in viral Transport media. TRANSPORT ON ICE.   Negative; Positive results called to physician. M-F
Result: 1-14 days
Culture, Legionella
(LGCLT)		 Micro Sputum or other respiratory specimens transported in sterile, no additive, leakproof container.   

Negative

Physician will be called with Positive Legionella results. 		 Daily
Results: 7 days
Culture, Mycobacteria {AFB}
(AFCLT)
 		Micro

Sputum (more than 5cc), bronchial washings, bronchial lavage, gastric aspirate, urine (50-100 mL), 1-5 mL CSF, body fluid, tissue, submitted in a sterile, leakproof container. Prefer early morning specimens of urine and sputum (3 consecutive days optimum for sputum). For blood see "AFB Blood Culture"

(Swabs are not acceptable and cause for rejection of specimen.) 

Negative

Physician and infection control will be called with Positive results. 		 M-F.
Results: 6 to 8  wks
Culture, Nocardia
(FNCLT)		 Micro See Culture, Fungal    
Culture, Nose
(NORSA)		 Micro

Swab transported in Amies transport media (white cap)

Culture examined for Methicillin (Oxacillin) Resistant Staphylococcus aureus only.

 

 Negative Daily
Results: 48-72 hrs.

Culture, Nose Fungal

(FNCLT)

 

 Micro

Nasal wash

(Swabs are not acceptable and will be rejected.)

Culture examined for MOULD only.

 

Negative

Physician will be called with cultures exhibiting mould growth

 

Daily

Results: 4 wks.

 
Culture, Respiratory
(Culture and Gram Stain)
(RSCLT)		 Micro Sputum, endotracheal, or tracheal (not BAL—See Bronchoalveolar Lavage) transported in sterile, no additive, leakproof container. Negative Daily
Results: 48-72 hrs
Culture, Sputum
(RSCLT)		 Micro See Culture, Respiratory
above		    
Culture, Stool 
(ITCLT) 
 

Includes culture for:

Salmonella and Shigella

(Aeromonas, Plesiomonas, and Vibrio are looked for upon request.)

 

 Micro

Fresh stool in Cary-Blair preservative/transport vial; fill to the line indicated on vial and mix well. (Must be filled to fill line or specimen will be rejected.)

Not performed on in-patients who have been hospitalized more than 3 days. 

Negative

Physician will be called if Positive for Salmonella or Shigella (or designated pathogens when requested) 		 Daily
Result: 72-96 hrs
Culture, Throat
(SACLT)		 Micro

Swab transported in Amies transport media (white cap)

Or

Swab transported in LQ Stuart media (red cap)

 

 Negative for Group A Streptococcus Daily
Results: 48-72 hrs.
Culture, Tissue
(TSCLT)
 (Culture and Gram Stain)

 		 Micro One (1) cm3 Tissue, if possible, in sterile, no additive, leakproof container. Negative Daily
Results: 5 days
Culture, Urine 
(URCLT)		 Micro

BD Urine C & S preservative (grey top with yellow label) container.

Disinfect top of tube with alcohol before injecting urine.

  

Negative Daily
Result: 48-72 hrs
Culture, Virus Ref (ACH)   Sterile container for fluids on ICE. Transport media for swabs on ICE.
SGRN at room temperature for blood.  
See Clinical Virology for further information.		 Negative; Positive results called to physician. M-F
8am-2pm
Result: 1-42 days
Culture, Wound/Abscess
(AWCLT)		 Micro

Pus and or drainage collected in Sterile, no additive, leakproof, leakproof container or needle aspirate are preferred. (Swabs are not optimal) 

Decontaminate the skin surface, collect purulent material aseptically from undrained abscesses using a sterile needle and syringe. Alternately, open abscess with scalpel and collect expressed material with syringe or swab. Open wounds will require proper cleansing with removal of scab or existing exudate and the collection of tissue from the leading edge of the wound. Culture swabs are not the collection device of choice, however are frequently submitted due to ease of collection. 		 Negative Daily
Result: 48-72 hrs
Culture, Yersinia
(YRCLT)		 Micro

Fresh stool in Cary-Blair preservative/transport vial; fill to the line indicated on vial and mix well. (Must be filled to fill line or specimen will be rejected.)

Not performed on in-patients who have been hospitalized more than 3 days.

 

Negative

Physician will be called if culture is Positive for Yersinia

 

Daily

Results: 72 hrs.

 
Cyanide Ref 7 ml blood, 1 GRN.
Do not freeze or refrigerate		 < 20 µg/dL
Potentially toxic: >50 µg/dL		 Mailout: 5-7 days
ARUP
Cyclic AMP, Plasma or Urine Ref 5 ml blood, 1 LT
or random urine		 Plasma 16 - 29 pmol/mL
Urine 1.6 - 6.2 nmol/mL		 Mailout: 5-7 days
ARUP
Cyclosporin
(CYCLO)		 Chem 5 ml blood; 1 LT   100 - 400 ng/mL
 		 Daily
Cutoff: 11:30am
Results: Next day
Cylex Immunknow Assay
(CYLX)		 Flow 1 GRN (sodium heparin)  ATP:
Low <225 ng/mL
Moderate 226 - 524
High >525 ng/mL		 Collect specimens M - W only or Thurs before noon.  Do not collect on weekends, holidays or the day before holidays.  Specimen must be less than 30 hours old to be tested.

Results: 24-48 hrs
 
Cystatin C
(CYSTC)		 Immu 7 ml blood, 1 Gold Top 0.53 - 0.95 mg/L M-F
Cutoff: 2 pm
Results: 24 hrs

 

 
Cystic Fibrosis Culture
and gram stain
(CFRES)
 		 Micro Sputum transported in sterile, no additive, leakproof container. Negative Daily
Results: 72 hrs
Cystine, Urine Quantitative Ref 24 hr urine, Type III container from lab.   0 - 60 mg/24 hrs Mailout: 5-7 days
ARUP
Cytapheresis   Therapeutic Apheresis,
Contact CP Resident (501-688-2820) to schedule.		    
Cytomegalovirus
 		   See CMV    
Cytoplasmic Immunoglobulin vs. DNA Flow 1 GRN (Na heparin) + 1 LT,
Bone marrow aspirate, Biopsy/Tissue,  or Body Fluid 		Interpretive report M-F
Results: 24-48 hrs

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Updated 5.19.09