A9558 Xe133 xenon 10mci
Also known as: Xe-133, xenon imaging
Xenon Xe-133 gas injection at 10 millicurie activity used as a radiotracer for pulmonary ventilation imaging.
In Plain Language
lung ventilation imaging dye; breathing pattern tracer
Clinical Context
Used in nuclear pulmonology for assessment of pulmonary ventilation in evaluation of obstructive and restrictive lung disease.
RVU Information
CPT A9558 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 A9558?
CPT A9558 (Xe133 xenon 10mci) is a A Codes code. Xenon Xe-133 gas injection at 10 millicurie activity used as a radiotracer for pulmonary ventilation imaging.
Does Medicare cover A9558?
Medicare coverage for A9558 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in nuclear pulmonology for assessment of pulmonary ventilation in evaluation of obstructive and restrictive lung disease. A physician order is typically required.
When is CPT A9558 used?
Used in nuclear pulmonology for assessment of pulmonary ventilation in evaluation of obstructive and restrictive lung disease.
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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.