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

Additional Codes


Powerchart: Inhibin A and B (Tumor Markers)

MA Cerner: Inhibin A and B, Tumor Marker

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type


Specimen Required


Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 1.5 mL

Specimen Minimum Volume

1 mL

Specimen Stability Information

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

Reference Values


Males: <2.0 pg/mL


<11 years: <4.7 pg/mL

11-17 years: <97.5 pg/mL

Premenopausal: <97.5 pg/mL

Postmenopausal: <2.1 pg/Ml




<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


≤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

INHA: Monday through Saturday

INHB: 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

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Method Name

INHA: Sequential 2-Step Immunoenzymatic Assay

INHB: Enzyme-Linked Immunosorbent Assay (ELISA)

Test Classification

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

Secondary ID