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Test Code Billings Clinic: 8826 Follicle-Stimulating Hormone (FSH), Plasma or Serum

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

Determination of the concentration of FSH is used as an adjunct in the evaluation of menstrual irregularities, evaluating patients with suspected hypogonadism, predicting ovulation, evaluating infertility and diagnosing pituitary disorders.

Methodology

Chemiluminescent Immunoassay

Specimen Requirements

Submit only 1 of the following specimens:

Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.

 

Plasma

  • Draw blood in a green-top (lithium heparin) tube(s).
  • Spin down and send 1.0 mL of heparinized plasma frozen.

 

Serum

  • Draw blood in a plain, red-top tube(s) or a serum gel tube(s).
  • Spin down and send 1.0 mL of serum frozen

Storage/Stability

Specimen Type Temperature Time
Plasma, Serum Refrigerated 2 days
  Frozen (preferred) 1 month
  Ambient 8 hours

 

Reject Due To

  • Samples frozen/thawed more than once

Reference Values

Male: 1.4 - 18.1 mIU/mL

Female:

Normally Menstruating

Follicular Phase: 2.5 - 10.2 mIU/mL

Midcycle:3.4 - 33.4 mIU/mL

Luteal Phase: 1.5 - 9.1 mIU/mL

Post Menopausal

23.0 - 116.3 mIU/mL

Pregnant

<0.3 mIU/mL

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

83001 - Gonadotropin; follicle stimulating hormone (FSH)

LOINC Code Information

Reporting Name LOINC Code
FSH 15067-2

 

Profile/Testing Information

If both FSH and luteinizing hormone (LH) are desired, order Billings Clinic #8167 “Follicle-Stimulating Hormone (FSH) and Luteinizing Hormone (LH), Plasma.”