Fibrinogen Antigen, Nephelometry

Fibrinogen Antigen, Nephelometry

Test Code

37801
85385
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
37801
85385
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Fibrinogen Antigen, Nephelometry - Low levels of fibrinogen are associated with bleeding most commonly secondary to liver disease or disseminated intravascular coagulation (DIC). Fibrinogen is an acute phase reactant and thus elevated levels may be associated with inflammation. Increased concentrations are also associated with increased risk of atherosclerosis.

Test Resources

None found for this test
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Test Details

Patient Preparation

Overnight fasting is required

Methodology

Nephelometry

Reference Range(s)

180-350 mg/dL

LOINC® Codes, Performing Laboratory

Service Area must be determined
Overnight fasting is required

Methodology

Nephelometry

Reference Range(s)

180-350 mg/dL
Service Area must be determined

Preferred Specimen(s)

1 mL plasma collected in 3.2% sodium citrate (light blue-top) tube

Minimum Volume

0.5 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: Unacceptable
    Refrigerated: 8 days
    Frozen: 90 days

Reject Criteria

Hemolysis • Lipemia

Setup Schedule

Service Area must be determined

1 mL plasma collected in 3.2% sodium citrate (light blue-top) tube

0.5 mL
Transport tube
Refrigerated (cold packs)
Room temperature: Unacceptable
Refrigerated: 8 days
Frozen: 90 days
Hemolysis • Lipemia
Service Area must be determined
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection is not available in your area 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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