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Follicle Stimulating Hormone, Pediatric

Item Value
Approval req'd? Yes, contact Chemistry at x3-1501 if ordered in patients over the age of 20.
Available Stat? No
Test code PFSH
Test group FSH
Performed by Quest
Sendout? Yes
Method Immunoassay
Container type Red top
Amount to Collect 1 mL blood
Sample type Serum
Preferred volume 0.5 mL serum
Min. Volume 0.3 mL serum
Processing notes Freeze at -20C. Specify age and sex on request form. Order Quest # 1024N.
Units mIU/mL
Normal range
Males
0-9 years/prepubertal* < 3.00 mIU/mL
10-13 years/early prepubertal 0.30-4.00 mIU/mL
14-17 years 0.40-7.40 mIU/mL


Females
0-8 years/prepubertal* 0.50-4.50 mIU/mL
9-13 years/early prepubertal 0.40-6.50 mIU/mL
14-17 years 0.80-8.50 mIU/mL


*See Additional Information
Synonyms FSH ultrasensitive; FSH Pediatric
Turn around times Test performed Tuesday and Friday. Turnaround time: 2-6 days.
Additional information This send-out assay is primarily reserved for testing in pediatric patients with suspected or complex endocrine abnormalities. For adult patients see "Follicle stimulating hormone" (test code FSH). It requires approval if ordered in patients over the age of 20.

Medi-Cal Medical Necessity Policy applies.

FSH peaks (typically 3.00-6.00 mIU/mL for this assay) in male infants at 4 months of age, falling to prepubertal levels by 1 year of age.

FSH peaks (as high as 30.00 mIU/mL for this assay) in female infants at 3 months of age, falling slowly to prepubertal levels by 1-2 years of age.

(Forest MG, Ducharme JR, Gonadotropic and gonadal hormones, Ch 8, in: Bertrand et al, eds. Pediatric Endocrinology, 2ND Ed. Baltimore: Williams & Wilkins, 1993).
LOINC code 15067-2
Last Updated 5/4/2012 2:22:20 PM
Entry Number 397
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