Specimen requirements
Adult sample type: Serum (gold/yellow top SST)
Paediatric sample type: Plasma (orange top paediatric tube)
Collection requirements: Specimen must be separated and frozen within 24 hours of collection
Cost
Price on application
Turnaround time
Analytical method
Spectrophotometry - Turbidimetric / Immunoturbidimetric
Analysis undertaken at these site(s)
John Radcliffe Hospital
Reference intervals
Female
< 4 wks: 1.49 - 2.85 mg/L
4 - 20 wks: 1.01 - 1.92 mg/L
21 - 51 wks 0.75 - 1.53 mg/L
1 yr: 0.6 - 1.2 mg/L
2 - 18 yrs: 0.62 - 1.11 mg/L
> 19 yrs: 0.4 - 0.99 mg/L
Male
< 4 wks: 1.49 - 2.85 mg/L
4 - 20 wks: 1.01 - 1.92 mg/L
21 - 51 wks: 0.75 - 1.53 mg/L
1 yrs: 0.77 - 1.85 mg/L
2 - 18 yrs: 0.62 - 1.11 mg/L
19 - 49 yrs: 0.31 - 0.79 mg/L
> 49 yrs: 0.41 - 0.99 mg/L
