Total Protein (UCFP): CPT 84156

CPT Code: 





50 mL 

Minimum Volume: 

1 mL 


Plastic urine container, no preservative


Coomassie blue; colorimetric


Collect in a plastic urine container.  Urine specimens should be free of any particulate matter before analysis.

Reference Range:


Stability and Storage: 

Temperatures  Period 
Refrigerated (2-4 ⁰C)  72 Hours 
Frozen (-20 ⁰C)  1 Year 

No preservative is required during 24-hour collection for 24-hour specimens.




Serum proteins aid the body in immune defense, inflammation defense, blood clotting, and transport of other substances in the blood.

Total protein values are used to evaluate renal diseases, including proteinuria complicating diabetes mellitus, the nephritic syndromes, membranous, proliferative glomerulopathies, metal poisoning, renal vein thrombosis, systemic lupus erythematosus (SLE), constrictive pericarditis, and amyloidosis; work up other renal diseases, including malignant hypertension, glomerulonephritis, Goodpasture syndrome, Henoch-Schönlein purpura, thrombotic thrombocytopenic purpura, collagen diseases, cryoglobulinemia, toxemia of pregnancy, drug nephrotoxicity, hypersensitivity reactions, allergic reactions, and renal tubular lesions; manage myeloma and macroglobulinemia of Waldenström (Bence Jones proteinuria); evaluate hypoproteinemia. Tubular proteinurias include Wilson disease and Fanconi syndrome

Causes for Rejection: 

Grossly bloody specimens; incomplete collection; specimens containing phenazopyridine (Pyridium®); improperly labeled speciemens