Tartrate Resistant Acid Phosphatase, (TRAP) Stain 1609-7
Alternate Name(s): N/A CPT Code: 88313
Preferred Specimen: Smears (5 peripheral) from heparinized blood and 5 mL heparinized whole blood
Alternate Specimen: N/A
Ref. Range: See Lab Report
Testing Schedule: Send Out Test. Allow 5 days.
Special Handling: N/A
Requisition: Standard
Comments: Call laboratory for further information.

Tay-Sachs Carrier Screen, Serum (Hexosaminidase A), Serum 0111-5
Alternate Name(s): N/A CPT Code: 84999
Preferred Specimen: 2 mL serum. FREEZE immediately in a plastic vial. Not valid during pregnancy or if patient is taking oral contraceptives.
Collection procedure:
1. Draw one barrier tube.
2.Gently invert the tube several times to mix blood. DO NOT SHAKE.
3.Immediately place the tube in an ice bath.
4. Centrifuge immediately after clotting is complete. Do not centrifuge for more than 5 minutes.
5. Immediately separate the serum and FREEZE in a plastic vial.
Alternate Specimen: N/A
Ref. Range: Non carrier >= 56%
Inconclusive = 48-55%
Carrier <= 47%
Testing Schedule: Send Out Test. Allow 4 days.
Special Handling: See above
Requisition: Standard
Comments: If the patient is pregnant, taking oral contraceptives, or has diabetes mellitus or other systemic disease, the Leukocyte Hesosaminidase A Assay test should not be used. (Refer to Test # 0865-6 Hexosaminidase Leukocytes)

Tay-Sachs Carrier Screen, Leukocytes 0865-6
Alternate Name(s): Hexosaminidase ScreenCPT Code: 86021
Preferred Specimen: 4 Blue top tubes
Alternate Specimen: N/A
Ref. Range: > 56% - Noncarrier
< 47% - Carrier
48 - 55 - Inconclusive
Testing Schedule: Send Out Test. Allow 6 days.
Special Handling: N/A
Requisition: Standard
Comments: N/ATegretol 0154-5
See CarbamazepineTestosterone, Serum, Total 0379-8
Alternate Name(s): N/A CPT Code: 84403
Preferred Specimen: 1 mL serum. Specify age/sex
Alternate Specimen: N/A
Ref. Range:
Testosterone Ranges
,,Total ng/dL
men,(adult >17 yrs),280 - 800
boys,(<1 year),12 - 21
boys,(1 - 6 years),3 - 32
boys,(7 - 12 years),3 - 68
boys,(13 - 17 years),28 - 1110
women,(adult),6 - 82
Testing Schedule: Daily (Monday to Friday)
Special Handling: N/A
Requisition: Standard
Comments: N/A

Testosterone, Free, Serum 0528-0
Alternate Name(s): N/A CPT Code: 84402
Preferred Specimen: 1 mL serum. Specify Age/Sex.
Alternate Specimen: N/A
Ref. Range:
men,(20-39 yrs),8.8 - 27.0
men,(40 - 59 yrs),7.2 - 23.0
men,(60 - 80 yrs),5.6 - 19.0
women,(20 - 39 yrs),0.06 - 2.57
women,(40 - 59 yrs),0.04 - 2.03
women,(60 - 80 yrs),0.03 - 1.55
Testing Schedule: N/A
Special Handling: N/A
Requisition: Standard
Comments: N/A

Tetanus Antitoxin Assay, Serum, IgG 0974-6
Alternate Name(s): N/A CPT Code: 86774
Preferred Specimen: 1 mL serum
Alternate Specimen: N/A
Ref. Range: See Report
Testing Schedule: Send Out Test. Allow 5 days.
Special Handling: N/A
Requisition: Standard
Comments: N/ATheophylline, Serum 0380-6
Alternate Name(s): N/A CPT Code: 80198
Preferred Specimen: 1 mL serum. DO NOT USE BARRIER TUBE.
Alternate Specimen: N/A
Ref. Range: Therapeutic Range: 10 - 20 æg/mL
Half-Life:
Adult 4 - 6 hours, Children 4 - 6 hours
Testing Schedule: Daily (7 days)
Special Handling: Use plain red top only.
Requisition: Standard
Comments: N/AThrombin Time, Blood 0657-7
Alternate Name(s): TT CPT Code: 85670
Preferred Specimen: 2 mL frozen citrated plasma
Alternate Specimen: N/A
Ref. Range: 12 - 16 seconds
Testing Schedule: Daily (Mon. to Fri.)
Special Handling: Submit platelet-poor frozen plasma
Requisition: Standard or Special Coag.
Comments: N/AThyroglobulin, Serum 0577-7
Alternate Name(s): N/A CPT Code: 84432
Preferred Specimen: 2 mL serum. FREEZE.
Alternate Specimen: N/A
Ref. Range: <55 ng/mL
Testing Schedule: Monday, Wednesday and Friday
Special Handling: N/A
Requisition: Standard
Comments: N/AThyroid Stimulating Hormone (TSH), Serum, Ultrasensitive0153-7
Alternate Name(s): N/A CPT Code: 84443
Preferred Specimen: 1 mL serum
Alternate Specimen: N/A
Ref. Range:
(Adult),0.27 - 4.2 æIU/mL
<12 month old,1`.38 - 8.8
7 12 yr old,0.28 - 4.3
Testing Schedule: Daily (7 days)
Special Handling: N/A
Requisition: Standard
Comments: N/A

Thyroid Stimulating Immunoglobulin 1236-9
Alternate Name(s): TSI CPT Code: 84445
Preferred Specimen: 3 mL of serum
Alternate Specimen: N/A
Ref. Range: Qualitative Not Detected
Quantitative < 2.0 SD - Not detected
2.0 - 3.0 SD - Indeterminate
3.0 - 5.0 - Weakly Positive
> 5.0 SD - Positive
Testing Schedule: Send Out Test. Allow 6 days.
Special Handling: N/A
Requisition: Standard
Comments: N/A

Thyroxine (T4), Serum 0151-1
Alternate Name(s): N/A CPT Code: 84436
Preferred Specimen: 1 mL serum
Alternate Specimen: N/A
Ref. Range:
, æg/dL
Adult,4.0 - 12.0
<12 months old,9.7 - 19.1
1 - 6 yrs old,9.2 - 15.7
7 - 12 yrs old,7.6 - 13.7
13 - 17 yrs old,6.4 - 13.4
Testing Schedule: Daily (7 days)
Special Handling: N/A
Requisition: Standard
Comments: N/AThyroxine, Free (Free T4), Serum 0091-9
Alternate Name(s): N/A CPT Code: 84439
Preferred Specimen: 1 mL Serum
Alternate Specimen: N/A
Ref. Range:
, ng/dL
Adult,0.93 - 1.70
<12 months old,1.1 - 2.0
1 - 6 yrs old,0.9 - 1.7
7 - 12 yrs old,1.1 - 1.7
13 - 17 yrs old,1.1 - 1.8
Testing Schedule: Daily (Monday to Friday)
Special Handling: N/A
Requisition: Standard
Comments: N/A

Thioridazine 0240-2
See Mellaril

Thiothixene, Serum 0415-0
Alternate Name(s): N/A CPT Code: 80299
Preferred Specimen: 3 mL serum. Do not use barrer tube.
Alternate Specimen: N/A
Ref. Range: Therapeutic Range: 0 - 20 mcg/L
Testing Schedule: Send Out Test. Allow 5 days.
Special Handling: Use plain red top only.
Requisition: Standard
Comments: N/AThorazine 0201-4
See Chlorpromazine
Throat Culture 0078-6
See Culture - Throat

Thyroxine Binding Globulin (TBG) 0256-8
Alternate Name(s): N/A CPT Code: 84442
Preferred Specimen: 2 mL serum
Alternate Specimen: N/A
Ref. Range: 13 - 30 mcg/mL
Testing Schedule: Send Out Test. Allow 3 days.
Special Handling: N/A
Requisition: Standard
Comments: N/A

TIBC (Includes Serum Iron), Serum 0251-9
Alternate Name(s): Total Iron Binding CapacityCPT Code: 80099
Preferred Specimen: 2 mL serum
Alternate Specimen: N/A
Ref. Range: 250 - 400 mcg/dL
Testing Schedule: Daily (Monday to Friday)
Special Handling: N/A
Requisition: Standard
Comments: N/A

Tobramycin, Peak, Serum 1235-1
Alternate Name(s): N/A CPT Code: 80200
Preferred Specimen: 2 mL serum. Do not use Barrier tube.
Alternate Specimen: N/A
Ref. Range: Peak Level: 6 - 10 æg/mL
Trough Level: 0.5 - 2.0 æg/mL
Testing Schedule: Daily (7 days)
Special Handling: Use plain red top tube only.
Requisition: Standard
Comments: N/ATobramycin, Trough, Serum 2132-9
Alternate Name(s): N/A CPT Code: 80200
Preferred Specimen: 2 mL serum. Do not use Barrier tube.
Alternate Specimen: N/A
Ref. Range: Peak Level: 6 - 10 æg/mL
Trough Level: 0.5 - 2.0 æg/mL
Testing Schedule: Daily (7 days)
Special Handling: Use plain red top tube only.
Requisition: Standard
Comments: N/A

Torch Panel (IgG, IgM) 1297-1
Alternate Name(s): N/A CPT Code: 80099
Preferred Specimen: 3 mL serum
Alternate Specimen: N/A
Ref. Range: See Report
Testing Schedule: Send Out Test. Allow 4 days.
Special Handling: N/A
Requisition: Standard
Comments: Panel Includes:
Toxoplasma Ab IgG 0552-0 Toxoplasma Ab IgM 0877-1 Rubella Ab IgG 0973-8 Rubella Ab IgM 0471-3 CMV, IgG 0400-2 CMV, IgM 0461-4 Herpes I Virus Ab, IgG0110-7Herpes I/II Virus Ab, IgM0426-7

Toxoplasma Antibody (IgG), Serum 0552-0
Alternate Name(s): N/A CPT Code: 86777
Preferred Specimen: 2 mL serum
Alternate Specimen: N/A
Ref. Range: < 2 IU/mL
Testing Schedule: Daily (Monday to Friday)
Special Handling: N/A
Requisition: Standard
Comments: N/AToxoplasma Antibody (IgM), Serum 0877-1
Alternate Name(s): N/A CPT Code: 86778
Preferred Specimen: 2 mL serum.
Alternate Specimen: N/A
Ref. Range: <0.5 IU/mL
Testing Schedule: Daily (Monday to Friday)
Special Handling: N/A
Requisition: Standard
Comments: N/ATransferrin, Serum 0192-5
Alternate Name(s): N/A CPT Code: 84466
Preferred Specimen: 1 mL serum. OVERNIGHT FASTING IS PREFERRED.
Alternate Specimen: N/A
Ref. Range: 200 - 360 mg/dL
Testing Schedule: Daily 7 days
Special Handling: N/A
Requisition: Standard
Comments: N/A

Trichomonas, Direct Exam 1106-4
Alternate Name(s): N/A CPT Code: 87210
Preferred Specimen: Submit specimen in Diamond's media (call laboratory for supplies)
Alternate Specimen: N/A
Ref. Range: Negative
Testing Schedule: Daily (Monday to Friday)
Special Handling: N/A
Requisition: Standard
Comments: Positive results report next day. Negative results are held for 3 days. For T. vaginalis culture, use Test # 1989-3.Trifluoperazine, Serum 0331-9
Alternate Name(s): Stelazine CPT Code: 84022
Preferred Specimen: 3 mL serum. WRAP IN FOIL TO PROTECT FROM LIGHT. Do not use barrier tube
Alternate Specimen: N/A
Ref. Range: Therapeutic Range: 0.9 - 4.0 mcg/L
Toxic Range: > 60 mcg/L
Half Life: 7 - 18 hours
Testing Schedule: Send Out Test. Allow 4 days.
Special Handling: Use plain red top tube only.
Requisition: Standard
Comments: N/ATriglycerides, Serum 0155-2
Alternate Name(s): N/A CPT Code: 84478
Preferred Specimen: 2 mL serum. FASTING IS REQUIRED FOR ACCURATE RESULTS.
Alternate Specimen: N/A
Ref. Range: <150 mg/dL
Testing Schedule: Daily. 7 days.
Special Handling: N/A
Requisition: Standard
Comments: N/ATriiodothyronine Uptake (T3 Uptake), Serum0152-9
Alternate Name(s): T3U CPT Code: 84479
Preferred Specimen: 1 ml serum
Alternate Specimen: N/A
Ref. Range: 25 - 35%
Testing Schedule: Daily. 7 days
Special Handling: N/A
Requisition: Standard
Comments: N/A

Triiodothyronine (T3), Serum 0150-3
Alternate Name(s): N/A CPT Code: 84480
Preferred Specimen: 1 mL serum
Alternate Specimen: N/A
Ref. Range:
, ng/dL
(Adult),80 - 200
< 3 days,90 - 320
4 - 30 days,80 - 300
2 - 12 months,80 - 320
1 - 6 yrs,90 - 400
7 - 12 yrs,80 - 290
13 - 16,120 - 260
Testing Schedule: Daily (Monday to Friday)
Special Handling: N/A
Requisition: Standard
Comments: N/A

Triiodothyronine, Free (Free T3), Serum 0271-7
Alternate Name(s): N/A CPT Code: 84481
Preferred Specimen: 1 mL serum (RF)
Alternate Specimen: N/A
Ref. Range: 1.8 - 4.6 pg/mL
Testing Schedule: Daily (Monday to Friday)
Special Handling: N/A
Requisition: Standard
Comments: N/ATroponin-I, Serum 2163-4
Alternate Name(s): N/A CPT Code: 84484
Preferred Specimen: 2 mL FROZEN serum (or heparinized plasma)
Alternate Specimen: N/A
Ref. Range: <0.0 - 1.5 ng/mL
Testing Schedule: Daily (Mon. to Fri.)
Special Handling: Separate sample from cells within eight hours of collection.
Requisition: Standard
Comments: N/A

Troponin-T, Serum 2578-3
Alternate Name(s): N/A CPT Code: 84484
Preferred Specimen: 2 mL FROZEN serum.
Alternate Specimen: N/A
Ref. Range: See Report
Testing Schedule: Send Out Test. Allow 3 days.
Special Handling: N/A
Requisition: Standard
Comments: N/ATryptophan, Serum 0416-8
Alternate Name(s): Amino Acid Profile CPT Code: 82131
Preferred Specimen: 2 mL serum. FREEZE. DO NOT USE BARRIER TUBE.
Alternate Specimen: N/A
Ref. Range: 0.7 - 1.5 mg/dL
Testing Schedule: Send Out Test. Allow 10 days.
Special Handling: Plain Red Top only.
Requisition: Standard
Comments: Avoid the following prior to testing: avocado, banana, eggplant, tomato, plum, walnut, pineapple, tea, coffee, tobacco.