Automatic Defibrillator/Cardioverter Implantation

Note: As of October 1, 1986, automatic cardioverter or defibrillator implantation is coded to 37.94. Defibrillator/Cardioverter implantation is coded 37.99. This code includes formation of subcutaneous tissue pocket or formation of abdominal fascia pocket, implantation of defibrillator with epicardial patches and any transvenous leads, intraoperative procedures for evaluation of lead signals, obtaining defibrillation threshold measurements, and testing implanted device with patient's arrhythmia. Removal or revision of automated cardiac defibrillation system is coded 37.99. Also code any extracorporeal circulation, 39.61, and any concomitant surgical procedure, such as coronary bypass. The defibrillator/cardioverter implant device is designed to...

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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 premium article provides background on implantable defibrillator/cardioverter procedures and the coding references tied to them. It is aimed at coders, auditors, and clinical documentation staff who need to understand the procedure context, the era-specific coding references, and the broad elements commonly associated with implantation, revision, and related operative care. The article also summarizes the device concept, the clinical setting in which it was used, and the major implantation approaches discussed in the source.

Why This Topic Matters

Accurate identification of implantable cardiac device procedures depends on understanding both the procedure context and the specific code references tied to the source period. This article helps users place those references in clinical and historical context so records can be interpreted more consistently.

What You Will Learn

  • The historical coding references associated with implantable defibrillator/cardioverter procedures
  • The clinical purpose and general function of the implantable device
  • The major implantation approaches described in the source
  • The types of operative context and related procedures mentioned in connection with implantation
  • The patient-selection context discussed in the article

Who Should Read This

  • Medical coders
  • Coding auditors
  • Clinical documentation specialists
  • Revenue cycle staff
  • Cardiology coding professionals

Codes Discussed

  • ICD-9-CM: 37.94
  • ICD-9-CM: 37.99
  • ICD-9-CM: 39.61

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