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 i series analyser using Abbott reagents.  Chemiluminescent microparticle immunoassay.
Advanced Notice	Not required
Patient Preparation	Not required
Comments

Owner	Clair Crossley (Crossley1)
Last reviewed	23.09.2026
Next review	23.09.2027 (OK)