Tests:Follicle Stimulating Hormone, Serum

Overview
Department	Biochemistry
Test Code	TFSH
Synonyms	FSH  Follitropin Gonadotrophins Gonadotropins
Availability	Monday - Friday Weekends and public holidays by arrangement
Turnaround Time	2 hrs – 2 days
Stability – Add test	24 hours unseperated
Specimen Requirements
Specimen	Serum
Preferred	Red-Top or Yellow-top tube
Acceptable
Unacceptable	Grossly haemolysed
Specimen Transportation
Paediatric Requirements	0.5 mL in a Red-Top tube
Aliquot Requirements
Sample	Serum
Preferred Volume	200uL
Minimum Volume
Aliquot Transportation
Clinical Information
Reference Intervals	0-9 yrs                 0-6.5 IU/L 10-15 yrs             Prepubertal range 0-6.5 IU/L Levels rise during puberty towards adult range Adult male         2-12 IU/L Adult female       Follicular 3-10 IU/L Mid cycle 4-25 IU/L Luteal 2-8 IU/L Post menopause >20 IU/L Antenatal <1 IU/L
Test Method	Abbott Alinity CI analyser using Abbott reagent. CMIA immunoassay
Advanced Notice	Not required
Patient Preparation	Not required
Comments

Owner	Clair Crossley (Crossley1)
Last reviewed	12.09.2025
Next review	12.09.2026 (Overdue)