Explanations of terms/definitions related to pass-through device category codes

3D mapping catheter ( C1732 ) — Refers to a catheter used for mapping the electrophysiologic properties of the heart. Signals are identified by a specialized catheter and changed into a 3-dimensional map of a specific region of the heart. Adaptor for a pacing lead ( C1883 ) — Interposed between an existing pacemaker lead and a new generator. The end of the adaptor lead has the appropriate connector pin that will enable utilization of the existing pacemaker lead with a new generator that has a different receptacle. These are required when a generator is replaced or when two...

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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 is a terminology guide for Medicare pass-through device category codes. It explains the broad device types and clinical contexts associated with each category and is useful for coders, billers, and reimbursement staff who need to understand CMS device classifications.

Why This Topic Matters

Pass-through device categories affect how outpatient devices are recognized and referenced in coding workflows. Understanding the scope of these terms helps users locate the right CMS category and avoid confusion between similar device types.

Article Sections

  1. Pass-through device category terms and definitions

    Defines a series of pass-through device category terms used in outpatient coding and reimbursement. The entries span cardiology, vascular, orthopedic, ophthalmic, urologic, neurologic, and surgical device categories.

  2. CMS reference note

    Provides a brief reference to CMS information about the application process for pass-through devices. The note directs readers to an external CMS resource for additional program details.

What You Will Learn

  • How CMS pass-through device category terms are organized
  • Which broad device types are associated with the listed categories
  • Which clinical service areas are covered by the terminology
  • Where CMS guidance is referenced for additional pass-through information

Who Should Read This

  • Medical coders
  • Outpatient hospital billing staff
  • Revenue cycle professionals
  • Compliance teams
  • Device reimbursement specialists

Codes Discussed


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