Label Mnemonic: INHBA
Epic code: LAB3421
Downtime form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mailout Laboratory
6240-8 RCP
Specimen Instructions:
Fasting specimens are recommended, but not required.
Collection Medium:
Red top tube 5 mL (Clot Activator)
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.
Quantitative Chemiluminescent Immunoassay
CPT Code: