Inhibin B
Test Mnemonic
INHIBB
CPT Codes
- 83520 - QTY (1)
Includes
- Inhibin B
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Serum | SST (Gold) | Frozen | Centrifuge and transfer serum into standard aliquot tube. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Serum | No additive (Red) | Frozen | Centrifuge and transfer serum into standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Frozen | After separation from cells: 1 month |
| Refrigerated | After separation from cells: 72 hours |
| Ambient | After separation from cells: Unacceptable |
Days Performed
Wed, Fri
Turnaround Time
2 - 9 days
Methodology
| Name | Description |
|---|---|
| Enzyme-Linked Immunosorbent Assay (ELISA) |
Reference Range
| Inhibin B | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Female: 1 day - 12 years: <=182 pg/mL | Female: 13 - 41 years (regular cycle, follicular phase): 8 - 223 pg/mL | Female: 42 - 51 years (regular cycle, follicular phase): <=107 pg/mL | Female: 51 - 76 years (postmenopausal): <=11 pg/mL | Male: < 15 days: 68 - 373 pg/mL | Male: 15 days - 6 months: 42 - 516 pg/mL | Male: 7 months - 7 years: 24 - 300 pg/mL | Male: 8 - 30 years: 47 - 383 pg/mL | Male: 31 - 72 years: 10 - 357 pg/mL |
Special Info
For premenopausal females, collection is preferred during the follicular phase of the menstrual cycle. Room temperature specimens, and grossly hemolyzed specimens will be rejected. This test is New York DOH approved.
Clinical Info
Use to differentiate ovarian tumor with normal CA 125 as stromal or mucinous epithelial tumor. May be used for monitoring recurrence of stromal ovarian tumors. This test is performed using the ANSH ultra-sensitive Inhibin B ELISA kit. Values obtained with different methodologies or kits cannot be used interchangeably.