HCPCS Level II · Transportation, medical and surgical supplies
A7046Water chamber for humidifier, used with positive airway pressure device, replacement, each
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About A7046
A7046 is an HCPCS Level II code in the A series (transportation, medical and surgical supplies), describing water chamber for humidifier, used with positive airway pressure device, replacement, each.
It was added to HCPCS effective 01/01/2004.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Repl water chamber, pap dev
- Date added
- 01/01/2004
- Action effective
- 01/01/2004
- BETOS
- D1E
Related A70xx codes
- A7000Canister, disposable, used with suction pump, each
- A7001Canister, non-disposable, used with suction pump, each
- A7002Tubing, used with suction pump, each
- A7003Administration set, with small volume nonfiltered pneumatic nebulizer, disposable
- A7004Small volume nonfiltered pneumatic nebulizer, disposable
- A7005Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable
- A7006Administration set, with small volume filtered pneumatic nebulizer
- A7007Large volume nebulizer, disposable, unfilled, used with aerosol compressor
- A7008Large volume nebulizer, disposable, prefilled, used with aerosol compressor
- A7009Reservoir bottle, non-disposable, used with large volume ultrasonic nebulizer
- A7010Corrugated tubing, disposable, used with large volume nebulizer, 100 feet
- A7012Water collection device, used with large volume nebulizer
Common questions about A7046
Is HCPCS A7046 still valid?
- Yes. A7046 is active in the CMS October 2026 HCPCS file.
Does Medicare cover A7046?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.