Test Code UPC Protein/Creatinine Ratio Urine
EHR Test Codes
| Test Code | Test Name | |
| Atlas | UPC | Protein/Creatinine Ratio, Urine |
| Cerner | UPC | Protein/Creatinine Ratio Urine |
Specimen Requirements
Preparation of Patient:
None.
Container Type:
Sterile Specimen Cup
or
White Top 6mL No Additive Tube
Specimen Type:
Urine
Specimen Volume:
6 mL Urine minimum .5 mL
Specimen Handling/Transport:
Aliquot urine into White Top 6ml No Additive Tube if availible via urine transfer straw. Transport refrigerated 2-8°C.
Specimen Stability/Storage:
2 days refrigerated 2-8°C
Specimen Rejection:
Samples in preservatives
Performing Laboratory
Munson Medical Center Laboratories
Chemistry Department
Priority, Frequency, & Turnaround
Priority:
Non-Emergent
Frequency:
24 hours 7 days a week
Turnaround:
0 - 1 days
Methodology
Urine Protein - Pyrogallol Red and Molybdate
Urine Creatinine - Modified Jaffee, kinetic
Reporting
Reference Range:
0 - 0.15 mg/mg
Calculation:
Protein/Creatinine Ratio (mg/mg) = Urine Protein mg/dL
Urine Creatinine in mg/dL
Critical Decision:
None
Clinical Significance
In a random specimen, a protein/creatinine ratio can be used roughly to approximate 24-hour excretion rates.
CPT Code(s)
Urine Protein - 84156
Urine Creatinine - 82570