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Test Code INHAB Inhibin A and B, Tumor Marker, Serum

Reporting Name

Inhibin A and B, Tumor Marker, S

Useful For

Aiding in the diagnosis of granulosa cell tumors and mucinous epithelial ovarian tumors

 

Monitoring of patients with granulosa cell tumors and epithelial mucinous-type tumors of the ovary known to secrete inhibin A or overexpress inhibin B

Profile Information

Test ID Reporting Name Available Separately Always Performed
INHA Inhibin A, Tumor Marker, S Yes Yes
INHB Inhibin B, S Yes Yes

Method Name

INHA: Immunoenzymatic Assay

INHB: Enzyme-Linked Immunosorbent Assay (ELISA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1.1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.9 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  90 days
  Ambient  7 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Reference Values

INHIBIN A, TUMOR MARKER

Males: <5.0 pg/mL

 

Females

<11 years: <5.0 pg/mL

11-17 years: <98 pg/mL

Premenopausal: <98 pg/mL

Postmenopausal: <5.0 pg/mL

 

INHIBIN B

Males

<15 days: 68-373 pg/mL

15-180 days: 42-516 pg/mL

6 months-7 years: 24-300 pg/mL

8-30 years: 47-383 pg/mL

31-72 years: <358 pg/mL

>72 years: Not established

 

Females

≤12 years: <183 pg/mL

13-41 years regular Cycle (Follicular Phase): <224 pg/mL

42-51 years regular Cycle (Follicular Phase): <108 pg/mL

13-51 years regular Cycle (Luteal Phase): <80 pg/mL

>51 years (Postmenopausal): <12 pg/mL

Day(s) Performed

Monday, Wednesday, Friday

CPT Code Information

83520-Inhibin B

86336-Inhibin A

LOINC Code Information

Test ID Test Order Name Order LOINC Value
INHAB Inhibin A and B, Tumor Marker, S 87426-3

 

Result ID Test Result Name Result LOINC Value
INHA Inhibin A, Tumor Marker, S 23883-2
88722 Inhibin B, S 56940-0

Report Available

2 to 4 days

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.