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HelpTest Code INHAB Inhibin A and B, Tumor Marker, 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.
Forms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.
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)
Reporting Name
Inhibin A and B, Tumor Marker, SSpecimen Type
SerumSpecimen 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
Report Available
2 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |