Also known as: A4, ∆4
Specimen requirements
Sample type: Serum (Serum)
Collection requirements: No special requirements
Cost
Price on application
Turnaround time
Analytical method
Spectrophotometry
Analysis undertaken at these site(s)
John Radcliffe Hospital
Reference intervals
Female
<10 years: 0.0 - 1.1 nmol/L
>10 years: 3.0 - 8.0 nmol/L
Male
<10 years: 0.0 - 1.1 nmol/L
>10 years: 3.0 - 8.0 nmol/L
