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A2028 — Micromatrix flex, per mg

HCPCS Level II A-code · short descriptor: “Micromatrix flex per mg”

Code system
HCPCS Level II
Family
A — Medical & surgical supplies, ambulance
Medicare coverage status
Carrier judgment — coverage decided by the DME MAC
Prior authorization
Not on Medicare required-PA list
Status
Active (April 2026 HCPCS)

Prior authorization

Not on the Medicare required-PA list as of the January 13, 2026 update (74 items). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.

Common denial codes to watch

CO-50 medical necessity

Related A-codes

A2001A2002A2004A2005A2006A2007A2008A2009A2010A2011A2012A2013

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