Protein, Total, Plasma

Protein, Total, Plasma

Test Code

90844
84155
90844
84155
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano | Quest Nichols Institute -San Juan Capistrano, CA. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Protein, Total, Plasma - The total plasma protein level is the sum of all circulating proteins, including fibrinogen, that are major components of blood. Total protein measurements are useful in the diagnosis and treatment of a variety of diseases involving the liver, kidney, or bone marrow as well as other metabolic or nutritional disorders.

Test Resources

None found for this test
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Test Details

Methodology

Spectrophotometry (SP)

Reference Range(s)

Male (g/dL)Female (g/dL)
<1 month4.4-6.64.5-6.5
1-5 months5.0-7.04.7-6.9
6-11 months5.8-7.35.9-8.2
1-19 years6.6-8.56.6-8.5
>19 years6.4-8.46.4-8.4

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Spectrophotometry (SP)

Reference Range(s)

Male (g/dL)Female (g/dL)
<1 month4.4-6.64.5-6.5
1-5 months5.0-7.04.7-6.9
6-11 months5.8-7.35.9-8.2
1-19 years6.6-8.56.6-8.5
>19 years6.4-8.46.4-8.4
Service Area must be determined

Preferred Specimen(s)

1 mL plasma collected in a lithium heparin (green-top) tube

Alternative Specimen(s)

Plasma collected in: Sodium heparin (green-top) tube

Minimum Volume

0.5 mL

Collection Instructions

Separate plasma from cells promptly

Note: For Protein, Total, Serum, please see test code 754

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 7 days
  • Refrigerated: 7 days
  • Frozen: 28 days

Reject Criteria

Gross hemolysis • Serum • Any anticoagulant other than lithium or sodium heparin

Setup Schedule

Service Area must be determined
1 mL plasma collected in a lithium heparin (green-top) tube
Plasma collected in: Sodium heparin (green-top) tube
0.5 mL
Separate plasma from cells promptly

Note: For Protein, Total, Serum, please see test code 754
Transport tube
Room temperature
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Gross hemolysis • Serum • Any anticoagulant other than lithium or sodium heparin
Service Area must be determined
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano | Quest Nichols Institute -San Juan Capistrano, CA. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection may be available in your area for purchase through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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