A9531 I131 max 100uci
Also known as: I-131 low-dose therapy, radioactive iodine treatment
Iodine I-131 sodium iodide therapeutic dose not exceeding 100 microcurie activity for treatment of thyroid disease.
In Plain Language
low-dose radioactive thyroid treatment; thyroid therapy
Clinical Context
Used for therapeutic treatment of hyperthyroidism and thyroid cancer with limited radioactive iodine activity.
RVU Information
CPT A9531 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
HCPCS A-codes cover medical supplies, equipment, and transport services. Documentation must establish medical necessity and include a physician order. For durable medical equipment (DME), a Certificate of Medical Necessity (CMN) or detailed written order may be required.
Specialties
Frequently Asked Questions
What is CPT code A9531?
CPT A9531 (I131 max 100uci) is a A Codes code. Iodine I-131 sodium iodide therapeutic dose not exceeding 100 microcurie activity for treatment of thyroid disease.
Does Medicare cover A9531?
Medicare coverage for A9531 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for therapeutic treatment of hyperthyroidism and thyroid cancer with limited radioactive iodine activity. A physician order is typically required.
When is CPT A9531 used?
Used for therapeutic treatment of hyperthyroidism and thyroid cancer with limited radioactive iodine activity.
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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.