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Test Code PCRB Protein/Creatinine Ratio Battery

Performing Laboratory

MaineGeneral Medical Center

Reference Values

Normal:  <0.2

Nephrotic range:  >3.5

Day(s) Test Performed

Monday - Sunday

Specimen Requirements

Urine

Collect 10 mL random urine in a plastic screw cap urine container with no preservatives. Label the specimen with the patient's name (first and last), date of birth, date and time of collection and the collector's initials. Send specimen refrigerated.

 

Specimen stability:

8 hours room temperature

3 days refrigerated at 2-8°C

freeze at ≤ -20°C for longer storage

 

Minimum volume:

2 mL

Test Classification and CPT Coding

82570 - creatinine

84156 - protein