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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

Performing Lab

ARUP Laboratories

Methodology

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

CPT

84402; 84403; 84270

Preferred Collection Container

SST

Specimen Type

PST

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

Collection Volume

3 mL

Minimum Collection Volume

2 mL

Transport

Refrigerated

Rejection Criteria

EDTA plasma

Specimen Storage and Stability

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

Turn Around Time

2-6 days

Lab Department

Referred Testing

Collection Instructions

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

Testing Volume

0.8 mL

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