Correction/Clarification

In the Third Quarter issue of AHA’s Coding Clinic for HCPCS, advice was provided to report CPT code 94667 , Manipulation chest wall, such as cupping, percussing, and vibration to facilitate lung function; initial demonstration and/or evaluation , for the reporting of certain devices utilized to clear mucous secretions in the lungs. In Second Quarter, 2011, the advice was changed to instruct the coder to report CPT code 94664 , Demonstration and/or evaluation of patient utilization of an aerosol generator, nebulizer, metered dose inhaler or IPPB device, for the reporting of the device when utilized to clear mucous secretions in the lungs. However, in the September 2010, issue of the AMA’s CPT Assistant , instruction was provided to the coder to report CPT codes 94667 and 94668 , when performing chest wall manipulations for the clearing of the airway to improve lung function. We feel this issue may need clarification. ...

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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 clarifies a change and correction in published coding guidance from AHA’s Coding Clinic for HCPCS and the AMA’s CPT Assistant. It is relevant to coders and billing professionals who follow respiratory therapy and device-related CPT guidance and want to track how published advice was updated across issues.

Why This Topic Matters

Articles like this help readers understand that published coding advice may be corrected or superseded over time, which can affect consistency in reporting and internal reference materials.

What You Will Learn

  • How to recognize that published coding advice has been revised or clarified
  • Which organizations issued the referenced guidance
  • How the article frames the difference between earlier and later published instructions
  • Why reviewing source publication history matters for respiratory therapy-related reporting

Who Should Read This

  • Medical coders
  • Coding supervisors
  • Compliance staff
  • Billing professionals
  • HIM professionals

Codes Discussed


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The AHA Coding Clinic for HCPCS includes:

  • The official publication for Level I HCPCS (CPT-4 codes) for hospital providers
  • Also specific Level II HCPCS codes for hospitals, physicians and other health professionals
  • Current newsletters added each quarter
  • Full Archives back to 2001
  • Fully searchable through Find-A-Code's Comprehensive Search
  • Codes mentioned in articles are linked to Code Information pages
  • Code Information page link back to related articles
  • View all the articles associated with any code, right from the code page!
Access to this feature is available in the following products:
  • AHA's Coding Clinic® - HCPCS +Archives

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