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Test Code LAB128 Thyroxine Binding Globulin

Additional Codes

TBG

Clinical System Name

Thyroxine Binding Globulin

Sample Requirements

Specimen: Whole Blood

Container(s): Red, Gold SST, or Gold Microtainer

Preferred Vol: 2.0 mL

Minimum Vol: 1.0 mL

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: -20 C

Storage Location: Separate from cells within two hours of collection. Transfer 1.0 mL (Min: 0.5 mL) to a plastic aliquot tube affixed with large Epic label. Deliver specimen to the CPA -20 freezer, Send Outs rack.

 

Off-site Collection: Separate from cells within two hours of collection. Transfer 1.0 mL (Min: 0.5 mL) to a plastic aliquot tube affixed with large Epic label. Freeze at -20 C. Transport frozen.

Stability

Specimen Type Temperature Time
Serum Room Temp 7 d
  Refrigerated 7 d
  Frozen 28 d

Performing Laboratory

Quest Diagnostics Nichols Institute

33608 Ortega Highway
San Juan Capistrano, CA 92690-6130
 

Phone Number: (800) 553-5445

Department

Department: Send Outs

Phone Number: (206) 987-2563

Synonyms

TBG

Availability

STAT Performed TAT
N W 4 - 9 d

Methodology

Method: Immunoassay (IA)

Analytical Volume: 0.5 mL Serum

Limitations:

Reference Range

Age (ug/mL)
4 - 6 years 14.8 - 32.9
7 - 8 years 16.3 - 30.7
9 - 10 years 15.8 - 27.4
11 years 15.5 - 27.4
12 years 14.8 - 26.2
13 years 13.8 - 25.2
14 years 12.2 - 25.2
15 years 10.8 - 23.8
16 years 10.0 - 23.8
17 years 8.5 - 23.1

 

Adults Females Males
ug/mL 13.5 - 30.9 12.7 - 25.1

 

CPT Codes

84442

Send Out Instructions

Reference Test Name: TBG (Thyroid Binding Globulin)
Reference Lab Test Code: 870
Instructions: Send out Monday through Friday with Quest courier.