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Test ID BLOD1086 Inhibin B, Serum

Reporting Name

Inhibin B, 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 overexpress inhibin B

 

As an adjunct to follicle-stimulating hormone testing during infertility evaluation

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering Guidance


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


Supplies: Sarstedt Aliquot Tube 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

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


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

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

Reference Values

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

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.

CPT Code Information

83520

Report Available

2 to 4 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus 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.

Secondary ID

88722
Sanford Laboratories - Bemidji Additional Information:

Sanford Interface Build Information

Result Code Result Code Description
5832 Inhibin B