T

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
T3, Free
(FRT3)		 Chem 5 ml blood, 1 Light Green 2.3-4.2 pg/mL 24 hrs/ 7days
Results: 2 hrs
STAT: 1 hr
T3, Total
(T3)		 Chem 5 ml blood, 1 Light Green 0.6 - 1.8 ng/mL

For pediatric and adolescent are:
2-5 yrs: 1.1-2.7 ng/mL
6-10 yrs: 0.9-2.4 ng/mL
11-18 yrs: 0.8-2.1 ng/mL

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
T-Uptake
(TUP)		 Chem 5 ml blood, 1 Light Green  32 - 48 % 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
T4, Free
(FT4) 		Chem 5 ml blood, 1 Light Green 0.58-1.64 ng/dL 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
T4, Total
(T4)		 Chem 5 ml blood, 1 LT  4.5 - 10.9 ng/dL

Pediatric and adolescent:
2-5 yrs: 7.3-15.0 ng/mL
5-10 yrs: 6.4-13.3 ng/mL
10-18 yrs: 5.6-11.7 ng/mL

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Tacrolimus
(FK506)		 Chem 5ml blood, 1 LT  10.0 - 25.0 ng/mL Daily
Cutoff 11:30am
Results: Same day
TB Culture   See Culture, Mycobacteria
 		    
TB-PCR
(TBPCR)		 VA (REF) CSF, sputum or tissue.  See the VA on-line lab manual for more information.

 Negative

Physician will be called with Positive results 		 Mailout: 7-10 days
Tegretol {Carbamazepine}
(CRBAM)		 Chem

See Carbamazepine

   
Teichoic Acid Antibodies Ref 5 ml blood, 1 Gold Top   None detected
>1:2 suggestive of infection		 Mailout: 5-7 days
ARUP
Testosterone
(TSTO) 		Chem 5 ml blood, 1 Gold Top    Males: 260-1000 ng/dL
Females: 15-70 ng/dL		 M-F
7am - 3pm
Testosterone, Free 
(FRTST)		 Ref 5 ml blood, 1 Gold Top    Males: 47-244 pg/mL
Females: 0.6-6.8 pg/mL 		Mailout: 5-7 days
ARUP
THC Screen
(THCS) 		Ref 10 ml blood, 1 plain RT Negative Mailout: 5-7 days
ARUP
Theophylline
Adult (THEO)
Neonate (THEOP)

 
Peds Lab		 Adults: 1 Gold Top/ GHalo

Infants: 1 green or amber bullet tube		 Adults: 10-20 µg/mL

Neonates:
D0 to M6: 8-12 µg/dL
  Critical high: 
        > 15 µg/dL
> M6: 9-20 µg/dL
  Critical high: >20 µg/dL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

Peds Lab:
   Routine: 2 hrs
    STAT: 1 hr
Therapeutic Apheresis   Contact CP Resident (501-688-2820)    
Thiamine, Vitamin B1
(V-B1)		 Ref 10 ml blood, 2 GRN or 2 LT
Critical Frozen		 0.2-2.0 µg/dL Mailout: 7-10 days
ARUP
Thiocyanate, Serum Ref 7 ml blood, 1 RT Non-smoker: 1-4 µg/mL
Smoker: 3-12 µg/mL
Toxic: >50 µg/mL		 Mailout: 5-7 days
ARUP
Throat Culture
 (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.
Thrombin Time
(TT)   		Ref (VA) 3.5 mL, 1 BLT
See the VA on-line lab manual for more information.		 < 21 seconds
 		 Mailout:  2 days
Thyroglobulin
(THYRO)		 Ref 5 ml blood, 1 Gold Top   2.3-52.5 ng/mL Mailout: 5-7 days
ARUP
Thyroglobulin Antibody
(THYRA) 		Ref 5 ml blood, 1 Gold Top    0.0-2.0 IU/mL Mailout: 5-7 days
ARUP
Thyroid Peroxidase  Antibody
(TPO)		 Ref 5 ml blood, 1 Gold Top   0.5 - 2.0 IU/mL Mailout: 5-7 days
ARUP
Thyroid Stimulating Hormone 
(TSH)		 Chem 5 ml blood, 1 Light Green  0.340 - 5.600 µIU/mL

For individuals age 2 to 18:
0.7-6.4 uIU/mL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Thyroid Stimulating Hormone (TSH) Receptor Antibody
(TSH-R)		 Ref 6 ml blood, 1 Gold Top   <10% Negative
10-15% Indeterminate
>15% Positive		 Mailout: 5-7 days
ARUP
Thyroid Stimulating Immunoglobulin
(TSI)		 Ref 6 ml blood, 1 Gold Top   <130% basal activity Mailout: 5-7 days
ARUP
Thyroxine Binding Globulin
(THBG)		 Ref 6 ml blood, 1 Gold Top     13.0-30.0  µg/mL Mailout: 5-7 days
ARUP
Tissue Culture and Gram Stain
(TSCLT)		 Micro One (1) cm3 Tissue, if possible, in sterile, no additive, leakproof container. Negative Daily
Results: 5 days
Tobramycin
Peak (TOBP)
Trough (TOBT)
Random (TOBR)		 Chem 5 ml blood, 1 Light Green 

See TDM Guidelines		 Trough: 0.5 - 2.0 µg/mL
Peak: 5 - 10 µg/mL
Critical Value:
>12 µg/mL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Total Iron Binding Capacity 
(TIBC) 		 Chem

See Iron Binding Capacity

    
Total Protein
 		   See Protein    
Toxicology Screen Ref 10 ml blood and 50 ml urine.
Contact CP Resident 688-2820.		 See Clinical Toxicology for drugs detected. Interpretive  report. Mailout:
 
Toxoplasma IgG
(TOXIG)		 Chem 6 ml blood, 1 Gold Top  
 		 Negative M-F
Cutoff:  11:30 am
Result:  same day
Toxoplasma IgM
(TOXIM)		 Chem 6 mL blood, 1 Gold Top   Negative M-F
Cutoff:  11:30 am
Result:  same day
Trachoma   See Chlamydia
 		    
Transferrin
(TRSF)		 Chem 5 ml blood, 1 Gold Top    Females:  192-382 mg/dL
Males:  180-329 mg/dL		 M-F
Cutoff: 5 pm
Result: 24 hrs
Transfusion Reaction
(TRXN)		 BBK 1 LT Post reaction specimen, blood bag & attached tubing/solutions, Transfusion Reaction form.  Tube initialed by phlebotomist. Consult and interpretive report by Resident (501-688-2820). Workup commences when BBK notified.
24 hrs/7 days

*See instructions on Transfusion Reaction Form, Med Rec. #55.
***STOP THE BLOOD!!***
***Contact Blood Bank (501-686-5867)***
Extent of workup and planning of future transfusions to be advised.
See Blood Bank section for more detail.

Tranxene Ref  See Clorazepate
 		    
Trazodone [Desyrel] Ref 10 ml blood,  RT Therapeutic: 0.8-1.6 µg/mL
Toxic: >3.2 µg/mL		 Mailout: 5-7 days
ARUP
Treponema Pallidum Antibody - IgG
 		 Ref 5 ml blood, 1 RT or Gold Top    Nonreactive / Negative Mailout: 5-7 days
ARUP
Treponema Pallidum Antibody - IgM
 		 Ref 5 ml blood, 1 RT or Gold Top    Nonreactive / Negative Mailout: 5-7 days
ARUP
Trichomonas vaginalis, Wet Prep
(TRICH)		 Micro Vaginal swab or (male) urethral discharge.  Immediate delivery to lab is desired.  Negative Daily 7am-11pm
Result: Same day
Tricyclics,  Screen
(STAD)		 Chem 5 ml blood, 1 GHalo 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
Triglycerides
Adult (TRIG)
Neonate (TRIGP)		 Chem /
Peds Lab		 Adults: 5 ml blood,
1 GHalo 
Patient fasting
Infants: 1 green or amber bullet tube		 In Fasting Patients:
Normal:150 mg/dL
Borderline-High: 150-199 mg/dL
High: >199 mg/dL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Peds Lab:
   Routine: 2 hrs
    STAT: 1 hr
  
Trimipramine (Surmontil) Ref 10 ml blood, 1 large RT By report Mailout: 5-7 days
ARUP
Troponin I
(TROPI)		 Chem 5 ml blood, 1 GHalo 0.00-0.04 ng/mL

0.05 ng/mL or less: Negative-repeat testing in four to six hours if clinically indicated. 

0.06-0.49 ng/mL: Suspicious of myocardial injury.  Serial measurements may be necessary to confirm or exclude the diagnosis of acute coronary syndrome.  Repeat testing in four to six hours if indicated.

0.50 ng/mL or greater: Consistent with myocardial injury.  Clinical and laboratory correlation recommended.


Critical Value:
>0.5 ng/mL

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Trypanosoma cruzi Antibodies, IFA  [Chagas Disease Antibody] Ref One 6 ml RHalo or CSF By report Mailout: 5-7 days
ARUP
Trypanosoma Blood Smear
(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).
Tularemia Agglutinins
(TUL)		 Ref 5 ml blood, 1 Gold Top    Negative Mailout: 5-7 days
ARUP
Tumor Lysis Panel
(TULYS)
  K, PO4, CA, URIC
  ACID, MG, LD 		Chem 5 mL blood, 1 GHalo See individual components for ranges 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Tumor Necrosis Factor (TNF) Ref 1 ml serum, plasma, amniotic fluid, or cell-free tissue culture supernatant, frozen <8.2 pg/mL Mailout: 5-7 days
ARUP
Tylenol {Acetaminophen}
(ACET)		 Chem

See Acetaminophen

    
Type, Cord Neonate
(CORD)		 BBK 1 EDTA tube of cord blood. Neonate specimen requires initialed tube and order sheet Interpretive report.
See BBK section		 24 hrs/ 7 days
Results: 4 hrs
STAT: 1 hr
Type, Blood Adult
(TYPE)		 BBK 1 EDTA tube and order sheet initialed by individual drawing blood. Interpretive report.
See BBK section 		 24hrs/7days
Results: 2-4 hrs
STAT: 10 min.
Type and Screen Blood
(T/S)		 BBK 1 EDTA tube and order sheet initialed by individual drawing blood Negative.  If positive then a full crossmatch is done. Interpretive report.
See BBK section		 24hrs/7days
Results: 4 hrs
STAT: 1hr
Typhoid O & H Agglutination Ref 5 ml blood, 1 RT or Gold Top    Contact CP Resident (501/688-2820). Mailout: 5-7 days
Typhus Fever Antibodies, IgG & IgM
(TYFP)		 Ref 6 ml blood, 1 Gold Top  
Separate serum from cells ASAP.  Label sample as "acute" or "convalescent"		 Interpretive report Mailout: 5-7 days
ARUP
Tyrosine Ref 5 ml blood, 1 GRN 
Separate plasma from cells ASAP		 0-1 year: 40-100 µmol/L
>1 year: 30-90 µmol/L		 Mailout: 5-7 days
ARUP
Tzanck Smear
(TZANK)		 Cytology Body fluid, skin lesion, eye scrape.  Smears made at patient bedside by physician and sent to Cytology lab, Hematology on holidays. Pathologist's Interpretation 24 hrs/7 days
Results based on pathologist availability

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