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Test Code TP Protein, Total, LAB118


Biuret End point with Sample Blank

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: Green-top (lithium heparin) tube

Acceptable: Gold-top serum gel tube or plain red-top tube

Specimen Volume: 0.2 mL of plasma or serum

Stability: Store at room temperature for 8 hours or 2 – 8°C and analyzed within 3 days.

              For longer storage, samples may be frozen at -20 °C for up to 6 months.


Reference Values

6.4-8.2 g/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding


Useful For

Total protein measurements are used in the diagnosis and treatment of a variety of diseases involving the liver, kidney, or bone marrow, as well as other metabolic or nutritional disorders.