Soluble Transferrin Receptor

Soluble Transferrin Receptor

Test Code

91031
84238
91031
84238
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

Soluble Transferrin Receptor - Soluble Transferrin Receptor (sTFR) values can be within normal limits over a broad range of body iron stores and is elevated only when there is functional (i.e. cellular) iron deficiency. It is usually not affected by chronic disease states, sTFR levels are about 6% higher in people in high altitudes (above 5200 ft/1600 m) and in African-Americans. Reference value may not apply to pregnant females and recent or frequent blood donors.

Test Resources

None found for this test
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.

Test Details

Methodology

Nephelometry

Reference Range(s)

0.76-1.76 mg/L

Alternative Name(s)

Transferrin, Receptor Soluble,Receptor, Soluble Transferrin

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Nephelometry

Reference Range(s)

0.76-1.76 mg/L

Alternative Name(s)

Transferrin, Receptor Soluble,Receptor, Soluble Transferrin
Service Area must be determined

Preferred Specimen(s)

1 mL serum

Alternative Specimen(s)

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

Minimum Volume

0.5 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: Not established
  • Refrigerated: 7 days
  • Frozen: 60 days

Reject Criteria

Received room temperature • Icteric

Setup Schedule

Service Area must be determined
1 mL serum
Plasma collected in: Sodium heparin (green-top) tube or lithium heparin (green-top) tube
0.5 mL
Transport tube
Refrigerated (cold packs)
Room temperature: Not established
Refrigerated: 7 days
Frozen: 60 days
Received room temperature • Icteric
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.

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.

Customize the test information for your Service Area
We'd love your feedback! Take a brief survey.