Follicle Stimulating Hormone

Alternative Names/Synonyms	FSH
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	FSHS2, FSHP2

Clinical Significance

Assisting in diagnosis of dysfunctions within the hypothalamus-pituitary-gonads system and in assesment of congenital diseases with chromosome aberrations, polycystic ovaries, amenorrhea, azoospermia and menopausal syndrome.

Specimen Requirements (Sample Type)

Serum, Plasma

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

Serum (Gold SST)
Plasma (Light Green PST)
Collection Containers – Tube Types

Collection Requirements

Blood Collection Instructions

Sample Stability

Room Temperature: N/A

Fridge: 14 days @ 2-8°C

Freezer: 6 months @ -20°C

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Roche cobas e 602, immunoassay

Test Availability

24 hours a day, 7 days a week

STAT Turnaround Time

1 hour

Routine Turnaround Time

3 hours

Reference Ranges

Females:
Mid-Follicular: 3 - 11 pmol/L
Mid-Cycle Days 2-3: 3 - 14 pmol/L
Mid-Cycle: 6 - 21 pmol/L
Luteal Phase: 1 - 9 pmol/L
Post-Menopausal: 22 – 153 pmol/L
Post-Menopausal (ERT): 10 - 111 pmol/L
Oral Contraceptives: 1 – 5 pmol/L

Males: 1-11 pmol/L

In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

Laboratory Contact Information

416-586-4800 extension 4688