A4618 – Breathing circuits
HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental
HCPCS codeA4618
- Long description
- Breathing circuits
- Short description
- Breathing circuits
- Pricing indicator
32DME – inexpensive & routinely purchased- Medicare coverage
DSpecial coverage instructions apply- BETOS category
D1EOther DME- Added
- January 1, 1990
- Last change
- January 1, 1993 – No change
Frequently asked questions
What is HCPCS code A4618?
A4618 is a HCPCS Level II code for breathing circuits.
Does Medicare cover A4618?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby A codes
- A4608 – Transtracheal oxygen catheter, each
- A4611 – Battery, heavy duty; replacement for patient owned ventilator
- A4612 – Battery cables; replacement for patient-owned ventilator
- A4613 – Battery charger; replacement for patient-owned ventilator
- A4614 – Peak expiratory flow rate meter, hand held
- A4615 – Cannula, nasal
- A4616 – Tubing (oxygen), per foot
- A4617 – Mouth piece
- A4619 – Face tent
- A4620 – Variable concentration mask
- A4623 – Tracheostomy, inner cannula
- A4624 – Tracheal suction catheter, any type other than closed system, each
- A4625 – Tracheostomy care kit for new tracheostomy
- A4626 – Tracheostomy cleaning brush, each
- A4627 – Spacer, bag or reservoir, with or without mask, for use with metered dose inhaler
- A4628 – Oral and/or oropharyngeal suction catheter, each
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.