ARUP's Laboratory Test Directory

Inhibin A (Dimer) : 0070137

Mnemonic: INHIBA

Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect:  One 4 mL serum separator tube. 

Transport:  1 mL serum at 2-8°C.  (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.

Unacceptable Conditions:  Plasma and severely lipemic or hemolyzed samples.

Stability:  After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval:
 
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 7.9 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.
CPT Code(s): 86336
 
 

 

 

 
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