CurrentCommunity Health Plan WashingtonPolicy MC.CP.MP.190

Outpatient Oxygen Use

This clinical policy governs medical necessity guidance for outpatient oxygen therapy and applies to providers and members/enrollees covered by the Health Plan that adopted the policy.

Policy Summary

PayerCommunity Health Plan Washington

PolicyOutpatient Oxygen Use

Policy CodePolicy MC.CP.MP.190

Change TypeNo material change

Effective Date

Next Review Date

Key ActionDetermine prior authorization requirements per Health Plan procedures and align with applicable Medicare NCDs/LCDs and state Medicaid manuals when applicable.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

Centenedocument ownership

NCDs/LCDsMedicare consistency

State overridesMedicaid precedence

Coverage Criteria

Coverage for outpatient oxygen therapy is subject to the terms, conditions, exclusions and limitations of the member’s coverage documents (for example, Evidence of Coverage, Certificate of Coverage, policy or contract of insurance). Coverage determinations and benefit administration will also follow applicable state and federal requirements and Health Plan-level administrative policies and procedures; deviations from these requirements may result in denial of coverage or payment adjustments.

Coding and Affected Codes

Affected codes (referenced)mixed

affected codes

Placeholder reference to codes affected by prior authorization and coverage rules

Supplemental coding

Affected codesaffected codes (placeholder reference used by policy for prior authorization/coverage rules)

Code group statusneutral

Coding systemmixed (policy references multiple code systems via Health Plan procedures)

Policy Summary

PayerCommunity Health Plan Washington

PolicyOutpatient Oxygen Use

Policy CodePolicy MC.CP.MP.190

Change TypeNo material change

Effective Date

Next Review Date

Key ActionDetermine prior authorization requirements per Health Plan procedures and align with applicable Medicare NCDs/LCDs and state Medicaid manuals when applicable.

SourceLink

On This Page

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Provider Actions and Requirements

Prior Authorization

Prior Authorization and Coverage Alignment

Prior authorization is required for outpatient oxygen services and must follow the Health Plan's prior authorization procedures. For Medicare members, prior authorization and coverage determinations must also align with applicable Medicare National Coverage Determinations (NCDs), Local Coverage Determinations (LCDs), and Medicare Coverage Articles. Check the CMS website and relevant LCDs/NCDs before submitting authorization requests to ensure consistency with federal requirements.

Submit prior authorization requests through the Health Plan's designated portal or contact center.
Include citations of any applicable NCDs/LCDs when Medicare coverage may apply.

Denial Risk

Coverage Decision Caveat

Coverage decisions are made in accordance with this clinical policy and are subject to all terms, conditions, exclusions, and limitations in the member's coverage documents (e.g., evidence of coverage, policy, certificate of insurance). State Medicaid provisions supersede this policy where conflicts exist for Medicaid members. Where there is a discrepancy between this policy's effective date and legal/regulatory requirements, law and regulation govern.

Coverage decisions do not guarantee payment; adjudication is subject to benefit document terms and Health Plan administrative policies.
Medicaid state manual provisions take precedence for Medicaid members.

Documentation Required

Documentation and Compliance

Providers must document medical necessity thoroughly in the medical record and include required supporting documentation with prior authorization requests and claims. Maintain documentation consistent with Health Plan, state Medicaid (when applicable), and Medicare requirements. Documentation should support diagnosis, objective testing (e.g., arterial blood gas, oximetry), prescribed flow rates, duration of need, and any home assessment information when applicable.

Retain and provide clinical records upon request, including test results and physician orders.
Follow Health Plan claim submission guidelines and coding requirements to avoid denials.

Note

Provider Responsibilities and Policy Use

Providers are independent contractors and are bound by the terms of this clinical policy when furnishing services or submitting claims. Unauthorized copying or distribution of this policy is prohibited. The Health Plan may change or withdraw this policy at any time; providers should monitor for updates and comply with any Health Plan-level administrative policies and procedures.

Ensure compliance with Health Plan notification and procedural requirements.
Review policy updates regularly; the Health Plan retains the right to amend or withdraw policies.

Background and Development

This policy was developed by appropriately experienced and licensed health care professionals using currently accepted standards of medical practice, peer‑reviewed literature, evidence‑based guidelines, regulatory approvals, and expert clinical opinion. It is intended as a guide to medical necessity for outpatient oxygen use and not as a substitute for professional judgment. Providers should align prior authorization and coverage actions with applicable Medicare NCDs/LCDs and state Medicaid manuals where relevant, and follow Health Plan procedures when submitting documentation and claims.

Definitions

Definitions and key policy notes

Clinical policy purposeProvides a guide to medical necessity to assist in coverage decisions and administering benefits

Coverage documents caveatCoverage is subject to the terms, conditions, exclusions and limitations of the member's coverage documents (e.g., evidence of coverage, certificate of coverage, policy, contract of insurance)

Medicaid precedenceWhen state Medicaid provisions conflict with this policy, state Medicaid coverage provisions take precedence

Medicare consistencyApplicable Medicare NCDs, LCDs, and Coverage Articles should be reviewed for consistency prior to applying this policy