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Test Code TESBFC Testosterone, Bioavailable and Total, Includes Sex Hormone-Binding Globulin (Adult Females, Children, or Individuals on Testosterone-Suppressing Hormone Therapy)

Important Note

Collect specimen between 6-10 a.m.

Includes: 

Testosterone by Mass Spec
Testosterone, Free by Mass Spec
Testosterone, Bioavailable by Mass Spec
Sex Hormone Binding Globulin

Additional Codes

Epic LAB8501C

ARUP 81057

Specimen Type

PST

Red-NoGel (must separate and aliquot within 2 hours)

Preferred Collection Container

SST

Collection Instructions

Collect specimen between 6-10 a.m.   Separate from cells within 2 hours of collection.

Collection Volume

3 mL

Minimum Collection Volume

2 mL

Testing Volume

0.8 mL

Rejection Criteria

EDTA plasma

Specimen Storage and Stability

Ambient: 24 hours; Refrigerated: 1 week; Frozen: 6 months

Performing Lab

ARUP Laboratories

Methodology

Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry/Electrochemiluminescent Immunoassay (ECLIA)/Calculation

CPT

84402; 84403; 84270

Transport

Refrigerated

Turn Around Time

2-6 days

Lab Department

Referred Testing

Stat Availability

No

LOINC Codes

Testosterone by Mass Spec 2986-8
Testosterone, Free by Mass Spec 49042-5
Testosterone, Bioavailable by Mass Spec 2990-0
Sex Hormone Binding Globulin 13967-5