A4623 – Tracheostomy, inner cannula
HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental
HCPCS codeA4623
- Long description
- Tracheostomy, inner cannula
- Short description
- Tracheostomy inner cannula
- Pricing indicator
37Ostomy, tracheostomy and urological supplies- Medicare coverage
DSpecial coverage instructions apply- BETOS category
D1FProsthetic/Orthotic devices- Added
- January 1, 1990
- Last change
- January 1, 2004 – No change
Frequently asked questions
What is HCPCS code A4623?
A4623 is a HCPCS Level II code for tracheostomy, inner cannula.
Does Medicare cover A4623?
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
- 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
- A4618 – Breathing circuits
- A4619 – Face tent
- A4620 – Variable concentration mask
- 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
- A4629 – Tracheostomy care kit for established tracheostomy
- A4630 – Replacement batteries, medically necessary, transcutaneous electrical stimulator, owned by patient
- A4633 – Replacement bulb/lamp for ultraviolet light therapy system, each
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.