Test ID: Z0740
CPT code: 84238
LOINC: 33210-6
Specimen Type: Red or green-top (heparin) or Lav (EDTA)
Frequency: 2 – 3 days
Instructions: 1 mL Serum or Plasma from Red or green-top (heparin) or Lav (EDTA), Refrigerated. Min 0.2 mL.
Text: Measurement of sTfR is used to diagnose iron deficiency in individuals with chronic disease (inflammatory diseases, infections, malignancies), many of whom are anemic.
Methodology: Immunochemiluminometric assay (ICMA)