Ulta Lab Tests

Soluble Transferrin Receptor Test

The Soluble Transferrin Receptor Test evaluates blood sTfR concentration to assess iron metabolism and red blood cell production. It is particularly useful for differentiating iron deficiency anemia from anemia of chronic disease, since sTfR remains stable in the presence of inflammation. This test helps clinicians identify hidden iron deficiency, monitor treatment response, and evaluate hematopoietic activity in various clinical contexts.

Serum
Phlebotomist
There are no preparation instructions.

The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Specimen Type: Serum

Also known as: Receptor, Soluble Transferrin, Transferrin, Receptor Soluble

Soluble Transferrin

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The Soluble Transferrin Receptor Test test contains 1 test with 1 biomarker .

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.

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