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Protein, Total

Test Code
LAB118


Alias/See Also
Total Protein


CPT Codes
84155

Preferred Specimen
4.5 ml (600 ul min) lithium heparin (green); alternate-SST (gold) or Red (no additive)


Minimum Volume
1 ml (200 ul minimum) plasma; alternate-serum


Instructions
Separate plasma or serum from cells within 4 hours after collection. After centrifugation, if not in gel barrier tube, pour off plasma or serum into an aliquot tube.


Specimen Stability
Separated from cells: 1 week room temp, 1 month refrigerated


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >40mg/dL bilirubin; Hemolysis: >500mg/dL hemoglobin; Lipemia: >1000mg/dL triglycerides


Methodology
Timed Endpoint

Setup Schedule
Mon- Sun


Reference Range
5.9-8.4 g/dL


Clinical Significance
Measurements of Total Protein are used in the diagnosis and treatment of a variety of diseases involving the liver,
kidney, or bone marrow as well as other metabolic and nutritional disorders


Performing Laboratory
Piedmont Athens Regional



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.