Inhibin B, Serum

Diagnostic Use

Aiding in the diagnosis and monitoring of granulosa cell tumors. Inhibin B elevations have been reported in 89% to 100% of patients with granulosa cell tumors.

Department

Endocrinology Lab

Delphic Registration Code

INHB

Laboratory Handling

Separating

Minimum 250 uL, preferably 500 uL (must be for Inhibin B only; NO share samples). Freeze

Laboratory

SAMPLE MUST NOT BE SHARED - need separate aliquot for Inhibin B

Test Adds

Only if sample has been stored and kept frozen within 48 hours of separation.

Turnaround Time

8 weeks

Test Code

6558

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Acceptable

• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (Light Green Cap)

Preferred Sample Volume (ml)

2

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Acceptable

• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (Green Cap)

Preferred Sample Volume (ml)

0.5

Aliquot Instructions

Sample Type

• Serum
• Plasma

Minimum Volume (ml)

0.25

Transport to Lab

Frozen
If overnight - Frozen

Additional Referral/Aliquot Information

Sample is unable to be shared - send dedicated frozen aliquot for Inhibin B.

Reference Intervals

Normal post-menopausal women:                                   <10 ng/L
Normal menstrual cycle (not on combined OC):          <350 ng/L
Normal men:                                                                          30-320 ng/L
Post orchidectomy/oophorectomy:                                <10 ng/L

Test Method

ELISA, Beckman Coulter GenII inhibin-B kit.

Non-Funded Test Cost

$143.47 (Exclusive of GST)

Billing Code

6558

Contact Information

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