Home
HCPCS Level II
N
N1001

N1001

Group 1 oxygen coverage criteria met

The HCPCS code for group 1 oxygen coverage criteria met is N1001.

Source: official CMS Alpha-Numeric HCPCS file (Level II only). Informational only — verify against current CMS/payer sources before use in billing.

Data current as of FY2026 CMS/NCHS release. Not affiliated with or endorsed by CMS, HHS, or NCHS.

ICD-10-CM

Diagnosis Codes Diagnosis Index External Causes Index Table of Drugs Table of Neoplasms Coding Guidelines

Other Code Sets

ICD-10-PCS Procedure Codes HCPCS Level II Codes ICD-9-CM Diagnosis Codes ICD-9-CM Procedure Codes

Tools

ICD-9 ↔ ICD-10 Crosswalk MS-DRG Lookup Annual Code Changes

Site

About Methodology & Sources Disclaimer Terms of Service Privacy

Independently operated. Not affiliated with, endorsed by, sponsored by, or approved by CMS, HHS, NCHS, AHA, or any other government agency or third party. Sourced from official public-domain data — see Methodology for details.