Sign in →

Test Code TP Total Protein (TP) LAB118

Test Method

Timed Endpoint Biuret Method; Beckman DXC600


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.

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

Specimen Requirement

0.5 mL plasma or serum is required.

CPT Code Information

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

Reference Values

Adult: 6.0-8.0 g/dL


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

LOINC Code Information

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

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.