P

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
Paracentesis Fluid, Smear & Culture
(BFCLT) 		Micro See Culture, Body Fluid.    
Parasites, Blood
(BPSM)

Includes Babesia, Malaria, Trypanosomes, & Microfilaria.

 Micro

3 ml blood; 1 LT

In cases of suspected malaria, specimens should be taken at intervals of 6 to 18 hours for at least three successive days. 		 Negative
Physician will be called with Positive results		   M-F
Results: 24 hrs. After hours contact CP Resident (688- 2820).
Parasite Exam
(OP)		 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
Parathyroid Hormone - Intact
(PTHN5)		 Chem 5 ml blood, 1 RT 11-67 pg/mL Tues, Wed and Thurs
Results: Same day
Parathyroid Hormone,  Intraoperative
(INPTH)		 Chem 1 LT
Requires special arrangements with the Chemistry department		 12-88 pg/mL  
Parietal Cell Antibody, IgG
(PC-AB)		 Ref 5 ml blood, 1 RHalo
Separate serum from cells ASAP 		None detected Mailout: 5-7 days
ARUP
Paroxysmal Nocturnal Hemoglobinuria Screen   See Acid Hemolysin    
Partial Thromboplastin Time, Activated
(APTT)		 Heme 3.5 ml blood, 1 BLT
Specimen amount is critical to maintain proper ratio of blood to anticoagulant.		 23 - 36.9 secs
Critical Value: 
< 18 sec
≥ 90 sec (No Heparin)
≥ 140 sec (on Heparin)		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Parvovirus B19 Antibody, IgG
(PARIG)		 Ref 5 ml blood, 1 RHalo
Separate serum from cells ASAP.  Mark sample "acute" or "convalescent"		 Interpretive report Mailout: 5-7 days
ARUP
Parvovirus B19 Antibody, IgM
(PARIM)		 Ref 5 ml blood, 1 RHalo
Separate serum from cells ASAP.  Mark sample "acute" or "convalescent"		 Interpretive report Mailout: 5-7 days
ARUP
Parvovirus B19 Antibodies, IgG & IgM
(PARVP)		 Ref 5 ml blood, 1 RHalo
Separate serum from cells ASAP.  Mark sample "acute" or "convalescent"		 Interpretive report Mailout: 5-7 days
ARUP
Patient Red Cell Antigen Typing BBK 1 EDTA tube and order sheet initialed by blood collector Interpretative report.   Results are determination of blood group antigens other than ABO 24hrs/7days
PCP, Urine Phencyclidine Screen
(PCP)		 Chem 10 ml urine Negative
This is a screening test.  These results should not be used for forensic or for pre-employment purposes.		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Pentobarbital (Nembutal)
(PENT)		 Ref 5 ml blood, 1 plain RT Sedation: 1 - 5 µg/mL
Toxic: >7 µg/mL
ICP Therapy: 25-35 µg/mL 		Mailout: 5-7 days
ACH
Pepsinogen Ref 5 ml blood, 1 RHalo By report Mailout: 5-7 days
ARUP
pH, Body Fluids Heme See Cell Count and Differential, Body Fluids Variable

 

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Phencyclidine
 		 Chem  See PCP    
Phenobarbital
(PHNOB)		 Chem 5 ml blood, 1 GHalo Thera: 15 - 40 µg/mL
Critical Value: >40 µg/mL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Phenothiazine Screen, Serum Ref 5 ml blood, 1 plain RT
Avoid serum separators		 Refer to final report for reference ranges Mailout: 1 week
MAYO
Phenotyping-RBC BBK See Patient Red Cell Antigen Typing    
Phenytoin {Dilantin}
(PTN)		 Chem 5 ml blood, 1 GHalo

See TDM Guidelines

 10 - 19.9 µg/mL
Critical Value:
>25 µg/mL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Phenytoin [Dilantin], Free
(FDIL)		 Chem 5 ml blood, 1 RHalo 1.0 - 3.5 µg/mL
 		  
Phosphorus
Adult (PO4)
Neonate (PO4P)		 Chem /
Peds Lab		 Adults: 5 ml blood, 1 GHalo

Infants: 1 green or amber bullet tube		 Adults: 2.5 - 4.5 mg/dL
Critical Values:
<1.0->8.0 mg/dL


Neonates: 4.2-8.0 mg/dL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

Peds Lab:
   Routine: 2 hrs
    STAT: 1 hr
Phosphorus, Urine
(UPO4)		 Chem Random or timed urine, 24 hr urine. Type III urine bottle obtained from Central Processing. Timed:  0.4 - 1.3 g/24hr

Random:  Interval not established

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Pinworm Exam
[Enterobius vermicularis]
(PIN)		 Micro Clear scotch tape prep.   Negative

Daily

Results: Upon receipt from ADH 
Plasma Cell Phenotype Flow 1 GRN + 1 LT,
Bone marrow aspirate, Biopsy, Tissue or Body Fluid		 Interpretive report M-F
Results: 24-48 hrs
Plasma Free Hemoglobin
(FRHB)		 Chem See Hemaglobin, Plasma Free    
Plasma Viscosity 
(PV)		 Chem 4.5 ml blood, 1 BT 1.1 - 1.5 Centipoises 

Critical Values:
> 3.0 centipoises & <0.5 centipoises

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Plasminogen Activity Ref (VA) BLT
See VA on-line manual for more information		 70 - 138% activity Mailout: 3-5 days
Platelet Aggregation Work-up    Ref (VA) 1 BT   
MUST BE SCHEDULED through CP Resident (501-688-2820).     		Interpretive report Result: Refer to VA on-line manual
Platelet Antibody Identification BBK 1 LT Interpretive report M-F
Result: 24 hours
Platelet Antibody Screen

 		 BBK New collection tube! 
(1) LT + (1) clay red top (additive-free, non-silicone coated, no gel separators) 		Interpretive Report M-F
Result: 24 hours
Platelet Count  
(PLATG)		 Heme 1 LT

 		 150-500 K/µl
Critical Values:
<20 and >1000 K/µl

 		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Platelet Function Screen
(PFA)		 Coag 2 BLT
Must have separate tube if other coagulation tests are ordered.		 Interpretive report Daily, 7am - 5 pm
Platelet Neutralization Procedure Ref (VA) BLT
See the VA on-line lab manual for more information.		 delta <5 seconds Mailout: 3-5 days
Pleural Fluid Counts   See Cell Count and Differential, Pleural Fluid
 		    
Pneumococcal Antibodies, IgG
(PNEUP)		 Ref 5 ml blood, 1 RHalo
Label samples as "Pre or Post Vaccine" 		Interpretive report Mailout:5-7 days
ARUP
Porphobilinogen, Quant. Urine
(UPBGQ)		 Ref Random or 24 hr urine.
Keep refrigerated and protect from light. 		 Random: 0-8.8 µmol/L
Timed: 0-11.0 µmol/24 hrs		 Mailout: 5-7 days
ARUP
Porphobilinogen [PBG] Deaminase Ref 5 ml blood, 1 LT
Do not freeze		 2.1 - 4.30 mU/g HGB Mailout: 5-7 days
ARUP
Porphyrins, Erythrocyte Ref 7 ml dark blue top with EDTA or one 5 ml lavender top 0-6 yrs: 0-35 µg/dL
> 6 yrs: 0-60 µg/dL		 Mailout: 5-7 days
ARUP
Porphyrins, Fecal Ref Random stool. Liquid stool unacceptable.  Coproporphyrin:
0-45 nmol/g dryweight

Protoporphyrin:
0-100 nmol/g dryweight		 Mailout: 7-10 days
ARUP
Porphyrins, Urine Fractionation
(FUPOR)		 Ref Random or 24 hr urine. Special container obtained from lab. Protect from light.   Uroprophyrin:
0-4 µmol/mol Creatinine

Coproporphyrin:
0-22 µmol/mol Creatinine		 Mailout: 5-7 days
ARUP
Potassium
Adults (K)
Neonates (KP)		 Chem  Adults: 5 ml blood, 1 GHalo

Infants: 1 green or amber bullet tube		 Adults: 3.5-5.0 mEq/L
Adult Critical Values:
<3.0  or > 6.0
Neonates: 3.5-5.5 mEq/L
Neonate Critical Values:
≤3.0 or ≥6.0 		24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

Peds Lab:
   Routine: 1 hr
   STAT: 15 min
Potassium, Urine
Random (UK)
Timed (UKT)		 Chem Random or timed urine,
24 hr urine, Type I urine bottle. Available from lab. 		Timed: 25 - 120 mEq/24hr
Random: Interval not established		 24 hrs/ 7 days
Results: 3 hrs
STAT: 1 hr
Prealbumin
(PALB) 		Immu 5 ml blood, 1 RHalo  18.6-37.2 mg/dL M-F
Result: 24-48 hrs
Pregnancy Test, Serum
(SPREG)		 Chem See Beta-hCG, qualitative      
Pregnancy Test, Urine
(UPREG)		 Heme 8 ml fresh urine Normal = Negative 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Pregnanetriol, Urine Ref 24 hr urine. Obtain container from lab.   Acetic acid.  Sex and age dependent.  See final report for reference ranges Mailout: 1 week
MAYO
Procainamide
(PROCA)		 Ref 5 ml blood, 1 RT.
Avoid use of serum separators or gels		 4-10 µg/mL
Toxic: >12 µg/mL		 Mailout: 5-7 days
 ARUP
Progesterone
(PGES2) 		Chem 5 ml blood, 1 RHalo   Males: 0.1-0.84 ng/mL

Females: (ng/mL)
Follicular: 0.31-1.52
Luteal: 5.16-18.56
Postmenopausal: <0.08-0.78
1st trimester: 4.73-50.74
2nd trimester: 19.41-45.3 		24 hrs/ 7 days
Results: 2 hrs
 
Progesterone Receptors   See Estrogen Receptor Assay    
Prolactin
(PROL)		 Chem 5 ml blood, 1 RHalo   Males: 2.64-13.13 ng/mL

Females: (ng/mL
Pre-menopause: 3.34-36.72
Post-menopause: 2.74-19.64
 

 24 hrs/ 7days
Results: 2 hrs
Prolactin, diluted Chem 5 mL blood, 1 Rhalo See interpretative report.  
Pronestyl
 		   See Procainamide.    
Properdin, Factor B
 		 Ref 5 ml blood, 1 RT or RHalo 18 - 46 mg/dL Mailout: 1 week
MAYO
Propoxyphene, Serum {Darvon} Ref 7 ml plain RT, or 7 ml LT By report Mailout: 5-7 days
ARUP
Propranolol Ref 10 ml blood, 2 RT
Avoid serum separators. 		Beta blocker: 50-125 ng/mL
Migraine, hypertension:
50-1000 ng/mL		 Mailout: 5-7 days
ARUP
Prostate Specific Antigen
(SPSA)    		Chem 5 ml blood, 1 RHalo 0.000-4.000 ng/mL 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Protein-C Activity Ref (VA) See VA manual for more information; 2 BLT on ice 70 - 160%
 		 Mailout: 3-5 days
Protein-S Activity Ref (VA) See VA manual for more information; 2 BLT on ice 65 - 140%
 		 Mailout: 3-5 days
Protein, Body Fluids
(FLPRO)  
CSF
Pleural Fluid
Ascities/Peritoneal
    Fluid
  		Chem 1 ml body fluid   CSF: 14-54 mg/dL
Reference ranges for other body fluids have not been established.		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Protein, Total Serum
(TP)		 Chem 5 ml blood, RHalo   6.5 - 8.5 g/dL
 		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Protein, Urine
(UPTR) 		Chem Random or 24 hr collection. Timed: 50-100 mg/24 hrs Random: Not established 24 hrs/ 7 days
Results: 2-4 hrs
STAT: 1 hr
Protein Electrophoresis,
CSF
(SFPEP)		 Imm See Electrophoresis, CSF    
Protein Electrophoresis,
Fluid
(FLPEP)
Pleural Fluid		 Imm See Electrophoresis, Fluid    
Protein Electrophoresis, Serum
(SPEP2)		 Imm See Electrophoresis, Serum    
Protein Electrophoresis, Urine
(UPEP)		 Imm See Electrophoresis, Urine    
Prothrombin Time
 		   See PT    
Protoporphyrins, RBC
[Free Erythrocyte Porphyrins]
(FEPP)		 Ref One 7 ml dark blue top, or one 5 ml lavendar top 0-6 yrs: 0-35 µg/dL
> 6 yrs: 0-60 µg/dL		 Mailout: 5-7 days
ARUP
Protriptyline Ref 7 ml blood, 1 large RT
Avoid serum separators 		Thera: 70 - 240 ng/ml
Toxic: > 400 ng/ml 		Mailout: 5-7 days
ARUP
Pseudocholinesterase, Serum
(PCLNS)		 Ref 5 ml blood, 1 LT or 1 GRN
Do Not Freeze		 Panel includes pseudocholinesterase and cholinesterase.  See final report for reference intervals. Mailout: 5-7 days
ARUP
Psittacosis Antibody Ref See Chlamydia Antibody
 		   Mailout: 5-7 days
ARUP
PT {Prothrombin Time}
(PROT)		 Coag 3.5 mL blood, 1 BLT
Specimen amount is critical to maintain proper ratio of blood to anticoagulant.		 11.5-14.7 seconds
Critical Value: INR >4.0		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

 
PT Mixing Study
(MIXSC)

 		 Coag
See Mixing Study Screen		    
PTH - Intact
(PTH)		 Chem See Parathyroid Hormone, Intact    
PTH, Intraoperative
(INPTH)		 Chem See Parathyroid Hormone, Intraoperative    
PTT {Activated Partial Thromboplastin Time}
(APTT)		 Coag 3.5 ml blood, 1 BLT
Specimen amount is critical to maintain proper ratio of blood to anticoagulant.		 23.0 - 36.9 seconds
Critical Value: 
< 18 sec
≥ 90 sec (No Heparin)
≥ 140 sec (on Heparin)		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Pyruvate Kinase, Erythrocyte Ref 5 ml blood, 1 LT 9.0-22.0 U/g Hgb  Mailout: 5-7 days
ARUP
Pyruvic Acid Ref Requires special collection and handling.  Refer to ARUP specifications. 0.03 - 0.08 mmol/L Mailout: 5-7 days
ARUP

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