UW Hospital and Clinics Lab Test Directory
| Test Name: |
|
FSH
|
|
|
|
|
|
|
| Test Code(s): |
|
FSH
|
|
|
|
|
|
|
| CPT Code(s): |
|
83001
|
|
|
|
|
|
|
| Methodology: |
|
Chemiluminescent Immunoassay
|
|
|
|
|
|
|
| Request Form: |
|
UWHC Laboratory Request Form (UWH 1289220, 4004202); Write in test if not on form.
|
|
|
|
|
|
|
| Days Performed: |
|
Mon-Fri, dayshift.
|
|
|
|
|
|
|
| Turnaround Time: |
|
Stat: Not available stat.
Routine: Next working day.
|
|
|
|
Specimen Requirements
|
|
|
|
| Specimen: |
|
Blood
|
|
|
|
|
|
|
| Collection Container: |
|
Preferred: Red cap with yellow ring (SST)
Also Acceptable:
Red top
|
|
|
|
|
|
|
| Collection Volume: |
|
Preferred: 3 mL
Pediatrics: 1 mL
|
|
|
|
|
|
|
| Sample Analyzed: |
|
Serum
|
|
|
|
|
|
|
| Volume Required: |
|
Preferred: 1 mL
Pediatrics: 0.3 mL
|
|
|
|
|
|
|
| Specimen Processing: |
|
Centrifuge. If a complete barrier has not formed, transfer cell-free serum to plastic vial. Refrigerate.
|
|
|
|
|
|
|
| Specimen Transport: |
|
Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.
|
|
|
|
|
|
|
| Stability: |
|
Ambient: 8 hours
Refrigerated: 48 hours
Frozen: Freeze if sample will not be assayed within 48 hours.
|
|
|
|
Interpretation
|
|
|
|
|
Reference Interval:
|
|
| Male |
mIU/mL |
| 1 year - 11 years |
0.0 - 2.8 |
| 12 years and up |
1.4 - 18.1 |
| |
|
| Female |
|
| 1 year - 11 years |
0.0 - 2.8 |
| 12 years and up: |
|
| Follicular phase |
2.5 - 10.2 |
| Midcycle peak |
3.4 - 33.4 |
| Luteal phase |
1.5 - 9.1 |
| Pregnant |
<0.3 |
| Postmenopausal |
23.0 - 116.3 |
Normal infants have a transient rise in FSH to pubertal levels or higher within the first 3 months, which then declines to prepubertal values by the end of the first year. Pediatric reference intervals from the Harriet Lane Handbook.
|
|
|
|
|
|
|
| Test Limitations: |
|
Results may be affected if patient has developed Human Anti-Murine Antibodies (HAMA) due to exposure to murine based products.
|
|
|
|
|
|
|
| Additional Information: |
|
A high dose hook effect is not seen up to 1000 mIU/mL.
|
Follicle Stimulating Hormone
|
