Creatinine

Specimen requirements

Adult sample type: Serum (gold/yellow top SST)

Paediatric sample type: Plasma (orange top paediatric tube)

Collection requirements: No special requirements

Cost

Price on application

Turnaround time

Please see Turnaround times

Analytical method

Spectrophotometry - Enzymatic - Creatininase and Sarcosine Oxidase

Analysis undertaken at these site(s)

• John Radcliffe Hospital
• Churchill Hospital
• Horton General Hospital

Reference intervals

Female

< 4 weeks: 25 - 103 µmol/L
4 - 11 weeks: 16 - 48 µmol/L
12 - 25 weeks: 14 - 34 µmol/L
26 - 51 weeks: 13 - 32 µmol/L
1 - 2 years: 15 - 31 µmol/L
3 - 4 years: 23- 37 µmol/L
5 - 6 years: 25 - 42 µmol/L
7 - 8 years: 30 - 48 µmol/L
9 - 10 years: 28 - 57 µmol/L
11 years: 36 - 64 µmol/L
12 years: 36 - 67 µmol/L
13 years: 38 - 74 µmol/L
14 years: 43 - 75 µmol/L
15 years: 44 - 79 µmol/L
16 years: 48 - 81 µmol/L
17 years: 45 - 84 µmol/L
18 - 19 years: 51 - 81 µmol/L
> 19 years: 49 - 90 µmol/L

Male

< 4 weeks: 24 - 107 µmol/L
4 - 11 weeks: 15 - 47 µmol/L
12 - 25 weeks: 13 - 37 µmol/L
26 - 51 weeks: 13 - 33 µmol/L
1 - 2 years: 15 - 31 µmol/L
3 - 4 years: 23 - 37 µmol/L
5 - 6 years: 25 - 42 µmol/L
7 - 8 years: 30 - 48 µmol/L
9 - 10 years: 28 - 57 µmol/L
11 years: 36 - 64 µmol/L
12 years: 36 - 67 µmol/L
13 years: 38 - 76 µmol/L
14 years: 40 - 83 µmol/L
15 years: 47 - 98 µmol/L
16 years: 54 - 99 µmol/L
17 years: 59 - 104 µmol/L
18 - 19 years: 54 - 92 µmol/L
> 19 years: 64 - 104 µmol/L