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Test Code CACR Calcium : Creatinine Ratio, urine

Additional Codes

Epic Ordering Code LAB2416
NBS code LBC03441
Service code 31407

Specimen Requirements

Submit the following:

Container:
Random Urine Container

Processing Requirements

Collect mid-stream urine in preservative-free urine container. Unacidified Urine.

Specimen type: Urine

Volume: 10mL

Specimen Stability

Specimen Type Urine
Ambient 2 days
Refrigerate 4 days
Frozen 3 weeks

Specimen Condition

Haemolysis Not applicable
Icterus Not applicable
Lipaemia Not applicable
Others Not applicable

Methodology

Calcium, urine  Colorimetry
Creatinine, urine  Enzymatic Assay

 

 

 

Days and Times Performed

24 hrs, TAT 1 day

Reference Interval

Age Male  Female 
0 – < 1 yrs ≤ 1.50 mmol/mmol
1 – < 2 yrs ≤ 1.25 mmol/mmol –
1 – 4 yrs – ≤ 1.00 mmol/mmol
2 – 4 yrs  ≤ 1.00 mmol/mmol –
5 – 9 yrs ≤ 0.70 mmol/mmol ≤ 0.70 mmol/mmol
10 – 17 yrs  ≤ 0.60 mmol/mmol ≤ 0.60 mmol/mmol
≥ 18 yrs 0.04 – 0.45 mmol/mmol 0.10 – 0.58 mmol/mmol

 

 

 

 

 

 

 

 

 

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Evaluating calcium homeostasis.

Update

Last updated 16/07/2026

LOINC Code Information

Calcium, urine 2004-0 
Creatinine, urine 14638-7 
Calcium : Creatinine ratio, urine  24518-3

Panel Information

Panel includes the following tests: