A7018 Water distilled with nebulizer
Also known as: distilled water, sterile water, neb water
Sterile distilled water for use with nebulizers in preparing aerosol medication solutions.
In Plain Language
pure water for breathing machine; sterile cleaning solution; medical water
Clinical Context
Used to prepare nebulizer solutions and as diluent for concentrated medications. Sterile formulation prevents bacterial contamination in respiratory therapy.
RVU Information
CPT A7018 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 A7018?
CPT A7018 (Water distilled with nebulizer) is a A Codes code. Sterile distilled water for use with nebulizers in preparing aerosol medication solutions.
Does Medicare cover A7018?
Medicare coverage for A7018 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used to prepare nebulizer solutions and as diluent for concentrated medications. Sterile formulation prevents bacterial contamination in respiratory therapy. A physician order is typically required.
When is CPT A7018 used?
Used to prepare nebulizer solutions and as diluent for concentrated medications. Sterile formulation prevents bacterial contamination in respiratory therapy.
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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.