Inhibin B
Test Summary
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.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Serum should be collected with the usual precautions of venipuncture.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 72 hours
- Refrigerated: 7 days
- Frozen: 28 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Hemolysis • Lipemia • Icteric sample
Order Code
INHIBB
EPIC (Premier) Code
LAB5192
Includes
N/A
CPT Code
- 83520
Billing Code
- 670104
CPT Statement
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 the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675
33608 Ortega Highway
San Juan Capistrano CA, 92675
Department
Reference Testing
Reference Range
| Male | Female | |
| ≤4 Years | Not established | Not established |
| 5-9 Years | 21-166 pg/mL | ≤18 pg/mL |
| 10-13 Years | 41-328 pg/mL | ≤86 pg/mL |
| 14-17 Years | 54-295 pg/mL | ≤123 pg/mL |
| ≥18 Years | 47-308 pg/mL |
| Female | ≥18 Years |
| Pre-menopausal | <153 pg/mL |
| Post-menopausal | <10 pg/mL |
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.
Setup Schedule / Expected Turnaround Time
Tuesday, Thursday, Saturday; Report available: 3 - 5 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Serum should be collected with the usual precautions of venipuncture.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 72 hours
- Refrigerated: 7 days
- Frozen: 28 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Hemolysis • Lipemia • Icteric sample
Result Information
Methodology
Chemiluminescence (CL)
Testing Laboratory
N/A
Reference Range
| Male | Female | |
| ≤4 Years | Not established | Not established |
| 5-9 Years | 21-166 pg/mL | ≤18 pg/mL |
| 10-13 Years | 41-328 pg/mL | ≤86 pg/mL |
| 14-17 Years | 54-295 pg/mL | ≤123 pg/mL |
| ≥18 Years | 47-308 pg/mL |
| Female | ≥18 Years |
| Pre-menopausal | <153 pg/mL |
| Post-menopausal | <10 pg/mL |
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.
Setup Schedule / Expected Turnaround Time
Tuesday, Thursday, Saturday; Report available: 3 - 5 days