83540 Assay of iron
Also known as: serum iron, iron assay
Quantitative measurement of iron concentration in serum or plasma using colorimetric or atomic absorption spectrophotometry.
In Plain Language
iron level test; blood mineral measurement
Clinical Context
Assessment of iron status in evaluation of anemia and iron overload. Must be interpreted with transferrin saturation and ferritin for accurate iron metabolism assessment.
RVU Information
CPT 83540 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 83540?
CPT 83540 (Assay of iron) is a Pathology & Lab code. Quantitative measurement of iron concentration in serum or plasma using colorimetric or atomic absorption spectrophotometry.
Who uses CPT code 83540?
CPT 83540 is used by Pathology, Hematology, Internal Medicine. Assessment of iron status in evaluation of anemia and iron overload. Must be interpreted with transferrin saturation and ferritin for accurate iron metabolism assessment.
When is CPT 83540 used?
Assessment of iron status in evaluation of anemia and iron overload. Must be interpreted with transferrin saturation and ferritin for accurate iron metabolism assessment.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.