Home
HelpTest Code FSH Follicle Stimulating Hormone
Laboratory Code
LAB86
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0 mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs.
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 24 hours |
| Refrigerate | 7 days |
| Frozen | 12 months |
Methodology
Chemiluminescent Immunoassay
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Gross Haemolysis | Alert/Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Reference Interval
| Age | Female (IU/L) |
|---|---|
| 30 days – < 1 yr | 0.4 – 10.4 |
| 1 – 8 yrs | 0.4 – 5.5 |
| 9 – 10 yrs | 0.4 – 4.2 |
| 11 – 18 yrs | 0.3 – 7.8 |
| Age | Male (IU/L) |
|---|---|
| 1 – 4 yrs | ≤ 0.9 |
| 5 – 9 yrs | ≤ 1.6 |
| 10 –12 yrs | 0.4 – 3.9 |
| 13 – 18 yrs | 0.8 – 5.1 |
| ≥ 19 yrs | ≤ 11.9 |
Female
Tanner Stage I: 0.6 – 4.1 IU/L
Tanner Stage II: 0.3 – 5.8 IU/L
Tanner Stage III: ≤ 7.2 IU/L
Tanner Stage IV: 0.3 – 7.0 IU/L
Tanner Stage V: 0.4 – 8.6 IU/L
Normally Menstruating Females
Follicular Phase: 3.0 – 8.1 IU/L
Mid-Cycle Peak: 2.6 – 16.7 IU/L
Luteal Phase: 1.4 – 5.5 IU/L
Post-Menopausal Females: 26.7 – 133.4 IU/L
Male
Tanner Stage I: ≤ 1.5 IU/L
Tanner Stage II: ≤ 3.00 IU/L
Tanner Stage III: ≤ 6.2 IU/L
Tanner Stage IV: 0.6 – 5.1 IU/L
Tanner Stage V: 0.8 – 7.2 IU/L
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Assessment of hypothalamic-pituitary-gonadal axis in the diagnosis of amenorrhoea, androgen deficiency and gonadal dysfunction.
Service Code
31662
LOINC Code Information
83098-4
Alias
Pituitary Gonadotropins
Update
Last updated 11/03/2025