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CPAP or a sleep apnea machine was denied. How do I appeal?

A CPAP denial usually turns on sleep-study criteria, adherence data, equipment documentation, or whether the plan says the device is durable medical equipment covered under a specific benefit. Appeal with the sleep study, diagnosis, prescription, adherence report if renewal is denied, and the plan's CPAP/DME criteria.

Last reviewed Sep 29, 2026 · General information, not legal or medical advice · Apellica is not a law firm

By Apellica · Sources and references

What to do, in order

  1. Step 1

    Find the denial reason

    Initial device, replacement, supplies, humidifier, mask, and continued rental denials use different criteria.

  2. Step 2

    Get the sleep study and prescription

    The AHI/RDI score, symptoms, diagnosis, and ordering clinician's prescription are central.

  3. Step 3

    For renewal, get adherence data

    Plans often require usage reports. Ask the DME supplier for the compliance download.

  4. Step 4

    Fix supplier coding problems quickly

    Wrong HCPCS code, rental month, or missing modifier may require a corrected claim rather than a clinical appeal.

The deadline that applies

At least 180 days to appeal on employer and ACA plans. Supplier corrected-claim windows may be shorter, so ask the DME company to correct coding while you preserve your appeal deadline.

Calculate your date →

Documents to gather

  • CPAP denial or EOB
  • Sleep study report
  • Prescription and diagnosis
  • DME supplier quote and HCPCS code
  • Adherence report if continued coverage is denied

Go deeper

Related questions

Why is the supplier asking me to call the insurer?

The supplier may need authorization or claim reprocessing, but you still have member appeal rights. Ask both sides for the exact missing item.

Can noncompliance be appealed?

Sometimes, if there was a medical reason, mask-fit issue, equipment malfunction, or missing support that explains the data.

Does the plan have to cover a travel CPAP?

Usually only when the policy covers it or the clinician proves a medical need beyond convenience.

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