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Test Code TBG Thyroxine Binding Globulin

Clinical System Name

Thyroxine Binding Globulin

Synonyms

TBG

Sample Requirements

Specimen: Whole Blood

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

Preferred Vol: 2.0 mL

Minimum Vol: 1.0mL

 

Note:

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: Spin sample and aliquot serum into plastic aliquot tube. Store sample in CPA freezer send-outs rack.

 

Off-site collection: Spin sample and aliquot serum into plastic aliquot tube. Transport room temperature.

Stability

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

 

Availability

STAT Performed TAT
N Collected daily; Set-up W at Quest 3 - 7 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

 

 

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

 

Methodology

Method: Immunoassay (IA)

Analytical Volume: 0.5 mL serum

Limitations:

CPT Codes

84442

 

Send Out Instructions

 

Reference Test Name: TBG (Thyroid Binding Globulin) (870X)
Reference Test Number: 30213P
Instructions: Send out M - F with Quest courier.