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 0.7 - 2.0 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  Adult Male:
4.6-10.5 μg/dL

Adult Female:
5.5-11.0 μg/dL

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

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
T7
 		Chem See Free Thyroxine Index    
T-Spot.TB® Ref 8 ml blood, 2 GRN
Sample must be collected after 5AM and be received in lab by 2 PM		 Viracor-IBT Test Directory

 Mailout: M-F
Tacrolimus
(FK506)		 Chem 5ml blood, 1 LT  10.0 - 25.0 ng/mL

Critical Value: ≥ 26		 Daily
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   ARUP Test Directory Mailout: 5-7 days
Testosterone
(TSTO) 		Chem 5 ml blood, 1 Gold Top    Males: 260-1000 ng/dL
Females: <10-75 ng/dL		 M, W, F
Testosterone, Free 
(FRTST)		 Ref 5 ml blood, 1 Gold Top    ARUP Test Directory Mailout: 5-7 days
THC Screen
(THCS) 		Ref 10 ml blood, 1 plain RT ARUP Test Directory Mailout: 5-7 days
Theophylline
Adult (THEO)
Neonate (THEOP)		 Chem Adults: 1 Gold Top/ GHalo

Neonates: 1 green bullet tube		 Adults: 10-20 µg/mL
Critical high: > 20 µg/dL

Neonates:
D0 to M6: 8-12 µg/dL
Critical high: >15 µg/dL		 24 hrs/ 7 days
Results: 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, Protect from light		 ARUP Test Directory Mailout: 7-10 days
Thiocyanate, Serum Ref 7 ml blood, 1 RT ARUP Test Directory Mailout: 5-7 days
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)  

Special Coagulation

1 BLT, Specimen amount is critical to maintain proper ratio of blood to anticoagulant

15.3-19.6 seconds
 

7 days or less
Thyroglobulin
(THYRO)		 Chem 5 ml blood, 1 Green Lithium Heparin Tube   1.6-50 ng/mL M,W,F
Thyroglobulin Antibody
(THYRA) 		Chem 5 ml blood, 1 Green Lithium Heparin Tube    0-4.0 IU/mL M,W,F
Thyroid Peroxidase  Antibody
(TPO)		 Chem 5 ml blood, 1 Green Lithium Heparin Tube   ≤0.25-9.00 IU/mL M,W,F
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   ARUP Test Directory Mailout: 5-7 days
Thyroid Stimulating Immunoglobulin
(TSI)		 Ref 6 ml blood, 1 Gold Top   ARUP Test Directory Mailout: 5-7 days
Thyroxine Binding Globulin
(THBG)		 Ref 6 ml blood, 1 Gold Top     ARUP Test Directory Mailout: 5-7 days
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.		 Interpretive report. Mailout:
 
Toxoplasma IgG
(TOXOG)		 Ref 6 ml blood, 1 Gold Top  
 		 ARUP Test Directory Mailout: 5-7 days
Toxoplasma IgM
(TOXOM)		 Ref 6 mL blood, 1 Gold Top   ARUP Test Directory Mailout: 5-7 days
Trachoma   See Chlamydia
 		    
Transferrin
(TRSF)		 Chem 5 ml blood, 1 Light Green top (lithium heparin)    Females: 192-382 mg/dL
Males: 180-329 mg/dL		 24 hrs/ 7 days
Results: 2 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 ARUP Test Directory Mailout: 5-7 days
Treponema Pallidum Antibody - IgG
(TPALG)
 		 Chem 5 ml blood, 1 Gold Top Tube    Negative 7 days/24 hrs
Results: 2 hrs
Treponema Pallidum Antibody - IgM
 		 Ref 5 ml blood, 1 RT or Gold Top    ARUP Test Directory Mailout: 5-7 days
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

Neonates: No set ranges		 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 ARUP Test Directory Mailout: 5-7 days
Troponin I
(TROPI)		 Chem 5 ml blood, 1 GHalo

0.00-0.04 ng/mL

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

0.05-0.49 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 ARUP Test Directory Mailout: 5-7 days
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    ARUP Test Directory Mailout: 5-7 days
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 ARUP Test Directory Mailout: 5-7 days
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"		 ARUP Test Directory Mailout: 5-7 days
Tyrosine Ref 5 ml blood, 1 GRN 
Separate plasma from cells ASAP		 ARUP Test Directory Mailout: 5-7 days
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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Last updated: 09.28.2012