Creatinine

Test/Investigation

Creatinine

Site(s) or Laboratory offering Test/Investigation

NNUH, QEH, JPUH

Units

µmol/L

Comments/Precautions

Assessment of renal function. Affected by muscle breakdown and diet as well as renal function

Sample type

Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

1 hour / 4 hour / by 8am next day

Reference intervals (adult unless stated)

Adult Female (> 16 yr) 45 – 84 umol/L
Adult Male (> 16 yr) 59 – 104 umol/L

Male & Female:
0 – 13 d 27 – 81 umol/L
14 – 365 d 14 – 34 umol/L
1 – 3 yr 15 – 31 umol/L
3 – 5 yr 23 – 37 umol/L
5 – 7 yr 25 – 42 umol/L
7 – 9 yr 30 – 48 umol/L
9 – 10 yr 28 – 57 umol/L
11 yr 36 – 64 umol/L
12 yr 36 – 67 umol/L

Male:
13 yr 38 – 76 umol/L
14 yr 40 – 83 umol/L
15 yr 47 - 98 umol/L
16 yr 54 – 99 umol/L

Female:
13 yr 38 – 74 umol/L
14 yr 43 – 75 umol/L
15 yr 44 – 79 umol/L
16 yr 48 – 81 umol/L

If UKAS Accredited Test indicate at which site

NNUH