Test Overview
Test Methodology
Colorimetric (Pyrogallol Red)
Test Usage
To aid in the diagnosis of proteinuria, evaluate renal function.
Reference Range *
0 - 0.15 g/24 hrs (0-150 mg/24 hrs). Random urine protein/creatinine ratio: 0.01 - 0.18.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Daily, 24 hours
Analytic Time
8 hours
Soft Order Code
PROTU
MiChart Code
Protein, Urine
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
Collection Instructions
Collect 24 hour urine specimen with no preservative. Aliquot 5 mL into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Random urine also acceptable, in which case a protein/creatinine ratio will be reported.
Rejection Criteria
Specimens collected with Acid Preservative are not acceptable. Diapers, sections of diapers, swabs or any other absorbent material will not be accepted as a collection container for urine. Urine collected in acid preservative is unacceptable.
Normal Volume
5 mL aliquot of 24 hour urine collection or 2 mL aliquot of random urine collection.
Minimum Volume
2 mL aliquot of 24 hour urine collection or 1 mL aliquot of random urine collection.
Additional Information
For random urine specimens, a Urine Creatinine will also be performed at no additional charge.
Billing
CPT Code
84156
Fee Code
20313 PROTQ, 20335 PROTU
LOINC
PROTU 2888-6 PROTQ 2889-4