Feb 8, 2018




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Protein/Creatinine Ratio

Protein/Creatinine Ratio (HCUPCRC) Chemistry Lab Test

Name: Protein/Creatinine Ratio

Test Name: Protein/Creatinine Ratio

Health Link Test Code: HCUPCRC

LIS Test Code: UPRCR

CPT Code(s): 84156, 82570

Test Component:

Urine protein, urine creatinine, and calculated ratio.  The protein/creatinine ratio will also be calculated and reported if a random urine creatinine and random urine protein are ordered on the same urine collection.

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Random urine

Collection Container: Sterile screw cap container

Collection Volume: Entire collection

Stability Ambient:

1 day

Stability Refridgerated:

6 days

Stability Frozen:

1 month

Sample Analyzed: Urine aliquot

Testing Volume: 1 mL

Pediatric Testing Volume: 0.4 mL

Specimen Processing:

Mix specimen. Transfer up to 10 mL into a screw cap container. Refrigerate specimen. Do not freeze.

Specimen Transport:

Transport entire specimen to the laboratory at close of collection. Transport with coolant pack if coming from clinic location.

Unacceptable Criteria:

Collection container contaminated with preservative is not acceptable.


 Protein/Creatinine calculated ratio:

 0 days - 24 months:  0.00 - 0.50
 25 months and up:    0.00 - 0.15

Interpretation Type: Reference Interval