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Test Code TP Protein, Total, LAB118

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

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.

Day(s) Test Set Up

Monday through Sunday


Biuret End point with Sample Blank

Test Classification and CPT Coding