Inhibin A (Dimer)


Sunquest Code:INHIBA  
Epic Code:LAB4352Epic Name:INHIBIN A
Methodology:Chemiluminescent immunoassay
CPT Code:86336
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-2 days.
Special Instructions:Fasting specimens are recommended, but not required.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Plasma. Severely hemolyzed or lipemic specimen.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.5 mL minimum. Samples are stable refrigerated for 7 days.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:70137 (INHIBA)


Interpretive

Reference Range:

 

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

3.5-31.7

9.8-90.3

16.9-91.8

16.1-97.5

3.9-87.7

2.7-47.1

IVF-Peak Levels

PCOS-Ovulatory

Postmenopausal

354.2-1690.0

5.7-16.0

Less than 6.9

Normal Males

Less than 2.1

 

 

Use:This assay is performed using the Beckman Coulter Unicel Dxl assay. Values may be elevated during normal pregnancy. Preeclampsia, Down Syndrome and some cancers may increase Inhibit-A values.


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