CMS creates a new modifier

The Centers for Medicare & Medicaid Services (CMS) recently added a new modifier to the list of reportable modifiers under the outpatient prospective payment system (OPPS). Modifier –CA, Procedure payable only in the inpatient setting when performed emergently on an outpatient who expires prior to admission, became effective January 1, 2003. In order to receive payment for services billed with modifier –CA hospitals are instructed by CMS that all of the following conditions must be met: a. The status of the patient is outpatient; b. The patient has an emergent, life-threatening condition; c. A procedure on the...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article covers a CMS change affecting outpatient prospective payment system reporting, including the addition of a new modifier, the claim circumstances tied to it, and the related Medicare processing references. It is aimed at hospital billing staff, coders, and revenue cycle professionals who need to understand the general scope of the update and where CMS directs further guidance.

Why This Topic Matters

Changes to reportable modifiers can affect outpatient claim submission, payment handling, and Medicare notice outcomes. Understanding this update helps billing and coding teams recognize when the CMS guidance applies and where it fits within OPPS claim processing.

What You Will Learn

  • What CMS changed in the outpatient payment guidance
  • What general claim context the modifier is associated with
  • Which Medicare processing references are mentioned for follow-up
  • How the update relates to outpatient claims and hospital billing workflows

Who Should Read This

  • Hospital outpatient coders
  • Billing staff
  • Revenue cycle professionals
  • Medicare reimbursement specialists

Modifiers Discussed


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