A9541 Tc99m sulfur colloid
Also known as: Tc-99m sulfur colloid, RES imaging
Technetium Tc-99m sulfur colloid injection used as a radiotracer for reticuloendothelial imaging and bone marrow assessment.
In Plain Language
liver and spleen imaging dye; bone marrow tracer
Clinical Context
Used in nuclear medicine for imaging of liver, spleen, and bone marrow assessment in various pathological conditions.
RVU Information
CPT A9541 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 A9541?
CPT A9541 (Tc99m sulfur colloid) is a A Codes code. Technetium Tc-99m sulfur colloid injection used as a radiotracer for reticuloendothelial imaging and bone marrow assessment.
Does Medicare cover A9541?
Medicare coverage for A9541 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in nuclear medicine for imaging of liver, spleen, and bone marrow assessment in various pathological conditions. A physician order is typically required.
When is CPT A9541 used?
Used in nuclear medicine for imaging of liver, spleen, and bone marrow assessment in various pathological conditions.
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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.