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Test Code 107 Total Protein (TP)

Additional Codes

ALAB: TP

PowerChart: Protein

MA Cerner: Total Protein.

Test Method

MercyOne: Timed Endpoint Biuret Method; Beckman DXC880i

MA: Enzymatic Colorimetric Method; Roche Cobas 6000

Specimen Requirement

0.5 mL plasma or serum is required.

Additional Specimen Collection Information

Collect blood in a lithium heparin, green-top or red-top tube. PST and SST (gel tubes) are acceptable. Serum or plasma should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection.

Performance

Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 hours after the specimen arrives at the testing site.

Expedite orders: Typically completed within 1 hour after the specimen arrives at the testing site.

STAT orders: Typically completed within 30 minutes after the specimen arrives at the testing site.

Reference Values

Adult: 6.0-8.0 g/dL

Pediatric:

Birth-31 Days:

  • Male: 4.1-6.3 g/dL
  • Female:4.2-6.2 g/dL

1 Month-6 Months:

  • Male: 4.7-6.7 g/dL
  • Female: 4.4-6.6 g/dL

6 Months-1 Year:

  • Male: 5.5-7.0 g/dL
  • Female: 5.6-7.9 g/dL

1-18 Years:

  • Male: 5.7-8.0 g/dL
  • Female: 5.7-8.0 g/dL

CPT Code Information

84155 Chemistry: Protein; total, except by refractometry; serum, plasma or whole blood

Useful For

Diagnosis and treatment of a variety of diseases involving the liver, kidney, or bone marrow, as well as other metabolic or nutritional disorders

LOINC Code Information

2885-2 Protein [Mass/Volume] In Serum Or Plasma

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