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

Short descriptor: Repl water chamber, pap dev

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A7046 is the HCPCS Level II code for Water chamber for humidifier, used with positive airway pressure device, replacement, each (2026). It belongs to Section A — Transportation, Medical & Surgical Supplies. Under Medicare, its coverage status is: Special coverage instructions apply. Part B pricing methodology: Inexpensive & routinely purchased DME.

Classification & CMS Attributes

Medicare Coverage
Special coverage instructions apply (code D)
Part B Pricing
Inexpensive & routinely purchased DME (indicator 32)
Type of Service
Lump-sum purchase of DME, prosthetics, orthotics
Effective Date
2004-01-01
2026 Maintenance
No change this year

References

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Reference A7046 with the canonical source and edition:

A7046 — Water chamber for humidifier, used with positive airway pressure device, replacement, each. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/A7046

Canonical URL: https://icd10codingpro.com/hcpcs-codes/A7046

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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