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E0446 HCPCS Level II Code: Topical oxygen delivery system, not otherwise specified, includes all supplies and accessories

Medicare Coverage & Payment

  • CMS short descriptor: Topical ox deliver sys, nos
  • Medicare coverage: Carrier judgment (CMS coverage code C)
  • Payment category: Service not separately priced (pricing indicator 00)
  • BETOS: D1E — Other DME
  • Last CMS action effective: October 1, 2017

Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.

Contextual Map

Every relationship of E0446 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Nearest codes (40)

Change history

  • January 1, 2011 — Added to the code set [Change history]

Sources for this page

Every coding fact on this page is read from the datasets below. Nothing is AI-generated; MedCoder-derived relationships and editorial are labelled where they appear.

Code, descriptors, coverage and pricing attributes
CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update
Change history and date-of-service validity
CMS HCPCS quarterly update files, ingested into the change ledger
Comparisons, relationships and the contextual map MedCoder-derived
Derived by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears

All data sources and release dates

Change history

  • January 1, 2011
    Added to the code set
    Topical oxygen delivery system, not otherwise specified, includes all supplies and accessories

Nearest Codes in This Family

Official HCPCS Level II classifications closest to E0446 in its code family, with their registry titles.