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HelpTest Code INHBM Inhibin B, Serum
Additional Codes
MAYO: INHB
EPIC: LAB4214
Reporting Name
Inhibin B, SUseful 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 overexpress inhibin B
As an adjunct to follicle-stimulating hormone testing during infertility evaluation
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumAdvisory Information
For the initial evaluation of patients suspected of having a granulosa cell tumor of the ovary, order INHAB / Inhibin A and B, Tumor Marker, Serum. If the results of the profile show that either inhibin A or B are elevated, consider monitoring the patient with the individual tests, INHA / Inhibin A, Tumor Marker, Serum or INHB / Inhibin B, Serum.
Specimen Required
Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Specimen Volume: 0.4 mL
Specimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 7 days | |
| Frozen | 90 days |
Reference Values
Males
0-23 months: <430 pg/mL
2-4 years: <269 pg/mL
5-7 years: <184 pg/mL
8-10 years: <214 pg/mL
11-13 years: <276 pg/mL
14-17 years: <273 pg/mL
Adults: <399 pg/mL
Females
0-23 months: <111 pg/mL
2-4 years: <44 pg/mL
5-7 years: <27 pg/mL
8-10 years: <67 pg/mL
11-13 years: <120 pg/mL
14-17 years: <136 pg/mL
Premenopausal
Follicular: <139 pg/mL
Luteal: <92 pg/mL
Postmenopausal: <10 pg/mL
Day(s) and Time(s) Performed
Monday, Wednesday, Friday; 8:00 a.m.
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 U.S. Food and Drug Administration.CPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| INHB | Inhibin B, S | 56940-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 88722 | Inhibin B, S | 56940-0 |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Forms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.