Inhibin-A
Label Mnemonic: INHBA
Epic Lab Code: LAB3421
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Serum
Specimen Instructions:
Fasting specimens are recommended, but not required.
Collection Medium:
Red top tube 5 mL (Clot Activator)
Minimum:
Preferred minimum: 1.0 mL serum Absolute minimum: 0.5 mL serum
Rejection Criteria:
Plasma and severely lipemic or hemolyzed samples.
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection period is completed.
Turn Around Time:
1-2 days upon receipt at reference laboratory
Reference Range:
Age/Phase Inhibin A pg/mL Normal Cycling Females: Normal Cycling Females: Early Follicular Phase (-14 to -10) 1.8-17.3 pg/mL Mid Follicular Phase (-9 to -4) 3.5-31.7 pg/mL Late Follicular Phase (-3 to -1) 9.8-90.3 pg/mL Mid Cycle (Day 0) 16.9-91.8 pg/mL Early Luteal (1 to 3) 16.1-97.5 pg/mL Mid Luteal (4 to 11) 3.9-87.7 pg/mL Late Luteal (12 to 14) 2.7-47.1 pg/mL IVF-Peak Levels 354.2-1690.0 pg/mL PCOS-Ovulatory 5.7-16.0 pg/mL Postmenopausal less than 6.9 pg/mL Normal males less than 2.1 pg/mL
Interpretive Data:
This assay is performed using the Beckman Coulter Unicel DxI assay. Values may be elevated during normal pregnancy. Preeclampsia, Down Syndrome, and some cancers may increase Inhibin-A values.
Methodology:
Quantitative Chemiluminescent Immunoassay
CPT Code:
86336