CMS List of Medically Unlikely Edits for Ambulance Services

On October 1, 2016, the Centers for Medicare and Medicaid Services (CMS) updated its list of Medically Unlikely Edits (MUEs). The MEU program is designed to reduce the paid claims error rate for Part B claims. The program operates by estimating the maximum number of units of service that a provider/supplier would report under most circumstances for a single beneficiary on a single date of service. A claim that submits units of service in excess of this threshold will typically be denied by the Medicare Administrative Contractor.

For additional information on the CMS Medically Unlikely Edit Program, click here.

Effective October 1, 2016, claims for ambulance services will be subject to the following MUE edits:

HCPCS Code MUE Threshold
A0425 (Ground Ambulance Mileage) 250
A0426 (Ground Ambulance, ALS Non-Emergency) 2
A0427 (Ground Ambulance, ALS Emergency) 2
A0428 (Ground Ambulance, BLS Non-Emergency) 4
A0429 (Ground Ambulance, BLS Emergency) 2
A0430 (Air Ambulance, Fixed Wing) 1
A0431 (Air Ambulance, Helicopter) 1
A0432 (Ground Ambulance, Paramedic Intercept) 1
A0433 (Ground Ambulance, ALS-2) 1
A0434 (Ground Ambulance, Specialty Care Transport) 2
A0435 (Air Ambulance, Fixed Wing Mileage) 999
A0436 (Air Ambulance, Helicopter Mileage) 300

 

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2016, Healthcare Common Procedure Coding System (HCPCS), Medically Unlikely Edits (MUEs)


Brian Werfel

Brian S. Werfel, Esq. is a partner in Werfel & Werfel, PLLC, a New York based law firm specializing in Medicare issues related to the ambulance industry. Brian is a Medicare Consultant to the American Ambulance Association, and has authored numerous articles on Medicare reimbursement, most recently on issues such as the beneficiary signature requirement, repeat admissions and interrupted stays. He is a frequent lecturer on issues of ambulance coverage and reimbursement. Brian is co-author of the AAA’s Medicare Reference Manual for Ambulance, as well as the author of the AAA’s HIPAA Reference Manual. Brian is a graduate of the University of Pennsylvania and the Columbia School of Law. Prior to joining the firm in 2005, he specialized in mergers & acquisitions and commercial real estate at a prominent New York law firm. Werfel & Werfel, PLLC was founded by David M. Werfel, who has been the Medicare Consultant to the American Ambulance Association for over 20 years.

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