PROTEIN, TOTAL

Test Code
LAB3805


CPT Codes
84155

Preferred Specimen
1 Gold tube (SST)


Patient Preparation
None

Minimum Volume
0.5 mL (1mL optimal)


Other Acceptable Specimens
1 Green tube (Lithium Heparin)


OR



Instructions
Centrifuge for complete separation of serum or plasma from red cells. 


Transport Container
Gold or Green tube


Transport Temperature
Room temperature


Specimen Stability
  • 2-8°C up to 30 days 
  • 15-30°C up to 7 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed


Methodology
Biuret, reagent blank end point

Setup Schedule
Daily, as received


Report Available
STAT: <60 minutes
Routine: <4 hours


Clinical Significance
Evaluate nutritional status, the liver; diagnose nephrotic syndromes, malabsorption, neoplasia including myeloma, macroglobulinemia of Waldenstrom; needed for serum protein electrophoresis.


Performing Laboratory
Mount Sinai Hospital
Holy Cross Hospital
 



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.