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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