Inhibin A
Test Mnemonic
INHIBA
CPT Codes
- 86336 - QTY (1)
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Patient Prep: Fasting is recommended, but not required. Transfer 1 mL serum into standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 24 hours |
| Refrigerated | After separation from cells: 1 week |
| Frozen | After separation from cells: 1 year (Avoid repeated freeze/thaw cycles) |
Days Performed
Sun - Sat
Turnaround Time
2 - 3 days
Methodology
| Name | Description |
|---|---|
| Quantitative Chemiluminescent Immunoassay |
Reference Range
| Inhibin A | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal Cycling Female Early Follicular Phase (-14 to -10): 1.8-17.3 pg/mL | Normal Cycling Female Mid Follicular Phase (-9 to -4): 3.5-31.7 pg/mL | Normal Cycling Female Late Follicular Phase (-3 to -1): 9.8-90.3 pg/mL | Normal Cycling Female Mid Cycle (Day 0): 16.9-91.8 pg/mL | Normal Cycling Female Early Luteal (1 to 3): 16.1-97.5 pg/mL | Normal Cycling Female Mid Luteal (4 to 11): 3.9-87.7 pg/mL | Normal Cycling Female Late Luteal (12 to 14): 2.7-47.1 pg/mL | Female: IVF-Peak Levels: 354.2-1690.0 pg/mL | Female: PCOS-Ovulatory: 5.7-16.0 pg/mL | Female: Postmenopausal: < 6.9 pg/mL | Normal Male: < 2.1 pg/mL |
Special Info
Patient Prep: Fasting is recommended, but not required. Plasma is not acceptable. Hemolyzed or severely lipemic specimens are unacceptable. This test is New York DOH approved.
Clinical Info
Aids in the diagnosis and monitoring of various hormonal reproductive disorders. This assay is performed using the Beckman Coulter Unicel DxI assay. Values may be elevated during normal pregnancy. Some cancers, preeclampsia, and Down Syndrome may increase Inhibin-A values.