A7046 – Water chamber for humidifier, used with positive airway pressure device, replacement, each

HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental

Active code Special coverage instructions apply

HCPCS codeA7046
Long description
Water chamber for humidifier, used with positive airway pressure device, replacement, each
Short description
Repl water chamber, pap dev
Pricing indicator
32 DME – inexpensive & routinely purchased
Medicare coverage
D Special coverage instructions apply
BETOS category
D1E Other DME
Added
January 1, 2004
Last change
January 1, 2004 – No change

Frequently asked questions

What is HCPCS code A7046?

A7046 is a HCPCS Level II code for water chamber for humidifier, used with positive airway pressure device, replacement, each.

Does Medicare cover A7046?

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

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.