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
Males
<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
Females
<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: 0.60-1.20 mg/L
2-18 yrs: 0.62-1.11 mg/L
19-49 yrs: 0.40-0.99 mg/L
>49 yrs: 0.41-0.99 mg/L
