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Test Code FSH Follicle Stimulating Hormone

Specimen Requirements

Specimen Type: Serum
Container/Tube: Gold Top (SSTII) 
Volume: 5.0mL 
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours

Sample Stability

** Preferred temperatures for storage prior to and during shipping to NUH **

 

Specimen Type: Serum
Ambient: Send the sample to the laboratory immediately
Refrigerate: 7 days
Frozen: 12 months

 

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

Days and Times Performed

24 hours, TAT 1 day

Methodology

Chemiluminescent Immunoassay

Service Code

31662

Update

Last updated 16/05/2024

Updated on Methodology.

Unacceptable Condition

 

Haemolysis NA
Icterus NA
Lipaemic NA
Others NA

 

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.