Testosterone, Free, Direct

Specimen:

Test Code

FDTEST

Specimen Name

Testosterone, Free, Direct

Collect

1-SST

Submit

1 mL (Min: 0.5 mL) Serum Ambient

Special Handling

Rejection Criteria

Gross lipemia; gross hemolysis; gross icterus

Stability

Ambient 14 days; Refrigerated 14 days; Frozen 14 days

Methodology

Direct Analog Enzyme Immunoassay (EIA)

Performed

Reported

4-6 days

CPT Codes

  • 84402

Components

Additional Information

A pediatric reference interval has not been established for this analyte. Gross lipemia may yield erroneously high free testosterone results.

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Test Information

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Common Test Phrases

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT