Laboratory: Clinical Biochemistry
Test Name:
Test Code: TP
Clinical Information:
Plasma proteins are synthesized in the liver, plasma cells, lymph nodes, spleen and bone marrow. Total protein measurements are used in the diagnosis and management of a variety of diseases involving the liver, kidney, or bone marrow as well as metabolic or nutritional disorders.

Reference ranges are for a hospital-based recumbent population.  Ambulatory patients have a reference range approximately 5 g/L higher.
Collection Devices:
Specimen Required:

Plasma: 2.0 mL
Pediatric Plasma: 0.2 mL

Stability 4 weeks refrigerated, 1 year frozen
Serum: 2.0 mL

Samples must be transferred to an aliquot tube and stored frozen if analysis will not be complete within 48 hours (#110-10-05 Serum / Plasma Separation Procedure & Transport)
Reference Values:
0 - 1 d: 46-70 g/L
2 d - 6 mo: 45-65
7 - 24 mo: 54-75
25 mo - 12 y: 53-80
≥ 13 y: 60-80
(g/L x 0.1 = g/dL)
Stat or Routine
See Also:
More Information: