Transmyocardial Revascularization

Note:As of October 1, 2005, code 00.66 is used to report percutaneous transluminal coronary angioplasty [PTCA] or coronary atherectomy. Assign also a code to identify the number of vessels treated (00.40-00.43). Effective October 1, 1998, category 36.3, Other heart revascularization, has been expanded to allow the specific reporting of transmyocardial laser revascularization (TMR). TMR is a procedure which improves myocardial blood supply in patients with diffuse ischemic heart disease. The technique involves using a high-powered carbon dioxide laser to create channels through the heart wall. These channels allow improved blood flow through myocardial sinusoids, a...

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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 procedure-focused coding update related to transmyocardial laser revascularization, along with an older note about coronary angioplasty and atherectomy reporting. It is relevant to medical coders, CDI and revenue cycle staff, and cardiovascular specialists who need to understand the article’s scope across ICD procedure coding and related coronary intervention references.

Why This Topic Matters

The topic affects how cardiovascular procedures are categorized in the medical record and how historical coding references are interpreted in the context of heart revascularization services.

Article Sections

  1. Note

    This section provides a coding update notice tied to coronary intervention reporting and related vessel-count reporting references.

  2. Effective October 1, 1998

    This section introduces a revision to a heart revascularization category and places transmyocardial laser revascularization within that broader coding context.

What You Will Learn

  • How the article frames transmyocardial laser revascularization in relation to heart revascularization coding
  • What historical coding references are mentioned for coronary intervention reporting
  • Which coding systems and procedure categories are discussed in the article's guidance context
  • Why the article is relevant to cardiovascular procedure documentation and coding review

Who Should Read This

  • Medical coders
  • Coding auditors
  • CDI specialists
  • Revenue cycle staff
  • Cardiovascular service line staff

Codes Discussed

  • ICD-9-CM: 00.66
  • ICD-9-CM: 00.40
  • ICD-9-CM: 00.41
  • ICD-9-CM: 00.42
  • ICD-9-CM: 00.43

Code Ranges Discussed

  • ICD-9-CM: 00.40-00.43
  • ICD-9-CM: 36.3

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