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Test Code 24CCTP Creatinine Clearance and Protein, urine

Additional Codes

Epic Ordering Code LAB3053066
NBS code LBC00279
Service code 31151

Specimen Requirements

Submit the following:

Blood (Preferred) Blood (Accpetable) Urine
Yellow Top Light Green Top 24hr Urine Container

Preservative types accepted: No preservative, Thymol

Processing Requirements

Blood

Allow specimen to clot for 30 mins (Yellow Top) and centrifuge within 2 hours

Specimen type: Serum/Plasma

Volume: 0.5mL

 

Urine

Specimen type: 24hr Urine

Volume: Cumulative urine collection over 24 hours

Specimen Stability

Specimen Type Serum/Plasma
Ambient 7 days
Refrigerate 7 days
Frozen 3 months

 

Specimen Type 24 hr urine
Ambient 24 hours
Refrigerate 7 days
Frozen 1 month

Specimen Condition

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

Methodology

Creatinine, serum Enzymatic Assay
Creatinine, urine Enzymatic Assay
Total Protein, urine Turbidimetry

Days and Times Performed

24 hrs, TAT 1 day

Reference Interval

Creatinine, urine, 24 hrs

Male 7.7 – 21.3 mmol/day
Female 5.9 – 14.1 mmol/day

 

Creatinine clearance (CCT): 
Normal > 70 mL/min in a young adult. Typically falling approximately 0.5 mL/min per year at ages over 30 years. 
  
Reference: RCPA Manual

(https://www.rcpa.edu.au/Manuals/RCPA-Manual/Pathology-Tests/C/Creatinine-clearance) 
 

Total protein

< 0.30 g/day

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Evaluation of renal disease.

Estimation of glomerular filtration rate.

Screening for monoclonal gammopathy.

Update

Last updated 31/07/2026

LOINC Code Information

Urine volume, total 3167-4
Creatinine, urine 14683-7
Creatinine, urine, 24 hr 14684-5
Creatinine clearance 2164-2
Total protein, urine 2888-6
Total protein, urine, 24 hr 2889-4

Panel Information

Panel includes the following tests: