Hap 51 Authorization: Code Verified

The practice implemented a tracking spreadsheet for remaining authorized units and began using the 276 real-time inquiry before billing follow-up visits. Case Study 2: Durable Medical Equipment (DME) Supplier Situation: A DME supplier received HAP 51, then a denial for "not reasonable and necessary." The supplier argued that authorization implied necessity.

Resubmit with corrected dates or request an authorization extension. Scenario B: Procedure Code Not Covered Under That Authorization Some authorizations are procedure-specific. HAP 51 only checks the presence of an auth code, not the alignment between the code and the billed CPT/HCPCS. Final adjudication may deny CPT 97110 if the auth was for 97035 only. hap 51 authorization code verified

Verify auth details before submission. If appropriate, request a new auth covering the actual services. Scenario C: Medical Necessity Fails LCD The payer may accept the authorization but then apply a Local Coverage Determination that deems the service not reasonable and necessary. Authorization does not override LCDs. Scenario B: Procedure Code Not Covered Under That

| MAC | HAP 51 Behavior | Additional Notes | |------|----------------|------------------| | Novitas Solutions | Standard – auth code verified | Will proceed to final but may suspend for high-cost items | | Palmetto GBA | Standard | Common in DME claims; often followed by HAP 52 for respiratory equipment | | NGS | Standard but less detailed | Clearinghouse recommended for granular status | | WPS | Standard | Short window – moves to paid or denied within 5-7 days post-HAP 51 | | CGS Administrators | Standard | Frequently paired with message "Auth code matches – further edits pending" | Verify auth details before submission