Inhibin B
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Inhibin B, Serum
Test ID: INHIBB S
Test
Method
Chemiluminescence (CL)
Report Includes
Specimens
Serum
Clinical Utility
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.
Test Location
Quest Diagnostics, California USA
Test Version
1-Nov-2022
Specimen
Specimens
Serum
Collection Containers
Gold top (clot activator & gel)
Sample Volume
1.0 ml
Minimum Volume
0.5 ml
Patient Preparation
Dietary supplements containing biotin may interfere in assays and may skew results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.
Collection & Handling
Collection Instructions
When ordered with Inhibin A, Serum, a separate aliquot must be submitted.
Stability
| Ambient | 72 hours |
|---|---|
| Refrigerated | 7 days |
| Frozen | 28 days |
Rejection Criteria
| Hemolysis | Present |
|---|---|
| Lipemia | Present |
| Other | Icteric |
Test Version
1-Nov-2022
Performance / Interpretation
Method
Chemiluminescence (CL)
Turnaround Time
8 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Inhibin B | pg/mL |
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Values obtained from different assay methods cannot be used interchangeably. Inhibin B levels, regardless of value, should not be interpreted as absolute evidence of the presence or absence of disease.
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Test Location
Quest Diagnostics, California USA
Test Version
1-Nov-2022
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| INHIBB S | 64096INHIBIN B | pg/mL |
Test Version
1-Nov-2022