HCPCS Modifier AH — clinical psychologist.

Guidelines and Instructions
This modifier is not required. To avoid possible rejections, we suggest it not be submitted.


  • MLN Matters Article MM8010 (PDF, 110 KB): Update To Publication 100-04, Claims Processing Instructions For Chapter 12, Non-Physician Practitioners (NPPs)
  • CMS Change Request 8010, February 2013

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Provider Contact Center: 877-567-7271

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