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Inhibin B
Test Code34445
CPT Codes
83520
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Serum should be collected with the usual precautions of venipuncture
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Lipemia • Icteric sample
Methodology
Chemiluminescence (CL)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Tues, Thurs, Sat; Report available: 2-4 days
Clinical Significance
Inhibin B is the major circulating inhibin in males. It is also detectable in women during menstrual cycles, particularly prior to ovulation. The measurement of inhibin B serves as an endocrine marker for monitoring male and female gonadal function.