Durable medical equipment claim denial rates have persistently run above the average across other Medicare claim categories, and the leading cause across audit data is consistently documentation-related rather than genuine medical necessity disputes — meaning many denied claims represent equipment that was legitimately needed but simply wasn't documented in the specific way Medicare's review process requires.
The Most Common Documentation Gaps
- Missing or insufficiently detailed face-to-face encounter documentation establishing the specific medical necessity for the equipment requested, rather than a general statement of diagnosis
- Incomplete or expired standard written order documentation, a formatting and timing requirement that trips up otherwise clinically appropriate claims surprisingly often
- Missing continued medical need documentation for equipment requiring periodic re-certification, where the original order was appropriate but ongoing use documentation lapsed
- Proof of delivery gaps, particularly for equipment shipped directly to a patient's home without a captured delivery confirmation
Why This Keeps Happening
Medicare DME documentation requirements are detailed, category-specific, and periodically updated, creating a genuine knowledge and process burden for both referring clinicians, who are focused on clinical care rather than billing minutiae, and DME suppliers managing claims across many different equipment categories with different documentation standards each.
Reducing Denial Rates
Suppliers with the lowest denial rates tend to build proactive documentation verification into their intake process — flagging incomplete documentation before claim submission rather than discovering the gap only after a denial — and maintain close working relationships with referring clinician offices to close documentation gaps quickly when they do arise.
Suppliers and facilities managing DME programs can review Healix Medical Supply's mobility and DME catalog.
