Ordering Recommendation
Aid in the diagnosis and monitoring of various hormonal reproductive disorders.
Mnemonic
INHIBA
Methodology
Quantitative Chemiluminescent Immunoassay
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Fasting specimens are recommended, but not required.
Collect
Serum Separator Tube (SST).
Specimen Preparation
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Plasma. Hemolyzed or severely lipemic specimens.
Remarks
Stability
After separation from cells: Ambient: 72 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval
Effective November 18, 2013
Age/ Phase |
Inhibin A (Dimer) pg/mL |
---|---|
Normal Cycling Females: Early Follicular Phase (-14 to -10) Mid Follicular Phase (-9 to -4) Late Follicular Phase (-3 to -1) Mid Cycle (Day 0) Early Luteal (1 to 3) Mid Luteal (4 to 11 ) Late Luteal (12 to 14) |
Normal Cycling Females: 1.8-17.3 pg/mL 3.5-31.7 pg/mL 9.8-90.3 pg/mL 16.9-91.8 pg/mL 16.1-97.5 pg/mL 3.9-87.7 pg/mL 2.7-47.1 pg/mL |
IVF-Peak Levels PCOS-Ovulatory Postmenopausal |
354.2-1690.0 pg/mL 5.7-16.0 pg/mL 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.
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
86336
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0070137 | Inhibin-A (Dimer) | 23883-2 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- dimeric inhibin A
- inhibin-A
Inhibin A (Dimer)