Resources

PROTEIN/CREATININE RATIO, URINE, 24 HOUR

Message

24 Hour urine container without preservative. 
(Aliquot or transfer urine into a transfer tube and note the total volume)




Test Code
PC24U


CPT Codes
84156 82570

Includes

Total protein, creatinine, and ratio



Preferred Specimen
24 Hour Urine Container without preservative
(aliquot or transfer urine into a transfer tube and note the total volume)


Minimum Volume

5mL aliquot




Instructions
  • Mix the specimen well and measure the 24 hour collected volume (RECORD TOTAL VOLUME)
  • Aliquot 20 mL sample into a separate plastic screw-cap container
  • Refrigerate until tested


Transport Temperature

Refrigerate



Specimen Stability
  • 2-8C up to 24 hours


Methodology

Colorimetric



Setup Schedule

M, Tu, W, Th, F, Sa, Su



Report Available
Same day tested at the performing laboratory.


Reference Range
Urine Protein: 50-80 mg/24 Hours
Urine Creatinine (mg/24 Hours):
Female up to 9 years 140-700
Male up to 9 years 140-700
Female 10-13 years 300-1300
Male 10-13 years 300-1300
Female 14-18 years 400-1600
Male 14-18 years 500-2300
Female 19-51 years 700-1600
Male 19-51 years 1000-2500
Female 52-81 years 500-1400
Male 52-81 years 800-2100
Female >82 years 400-1300
Male >82 years 600-2000

Protein/Creatining Ratio: Reference range has not been established for this calculation.


Clinical Significance
This 24 hour collection includes a creatinine and a ratio along with the protein.


Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab  
NCHB1 (Chemistry, Beckman AU)

Additional Information
24 Hour Urine Collection

Last Updated: July 5, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.