Laboratory Services

Creatinine

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Updated Test Information:

Test Description
Creatinine
Test ID
CREAT
General Information
The assay of creatinine in serum or plasma is the most commonly used test to assess renal function. However, since a rise in blood creatinine is observed only with marked damage of the nephrons, it is not suited to detect early stage kidney disease.
Specimen Type
Serum
Specimen Requirements
SST
Alternate Specimen Type
Red, Li-heparin, KEDTA plasma
Stability
7 days at 15-25˚C
7 days at 2-8˚C
3 months at -15 to -25˚C
Methodology
Colorimetric
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
82565
Reference Range

Children:

Preemies  0.29-1.04 mg/dL
Full Term 0.24-0.85 mg/dL
2-12 m 0.17-0.42 mg/dL
1-<3 y 0.24-0.41 mg/dL
3-<5 y 0.31-0.47 mg/dL
5-<7 y 0.32-0.59 mg/dL
7-<9 y 0.40-0.60 mg/dL
9-<11 y 0.39-0.73 mg/dL
11-<13 y 0.53-0.79 mg/dL
13-<15 y 0.57-0.87 mg/dL

 

Adult, Male: 0.70-1.20 mg/dL
Adult, Female: 0.50-0.90 mg/dL

Performing Lab
Incyte Diagnostics
LOINC Code(s)
2160-0