Documentation: CMS: Physician Signature Not Required for Diagnostic Tests

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Note:  The following article synopsis was NOT provided by AAPC. It was created by Find-A-Code/innoviHealth.

Article Overview

This article reviews a CMS transmittal that addresses confusion about diagnostic test requests, including how CMS distinguishes treating physicians from ordering physicians and how a physician order may be communicated and documented. It is aimed at coders, billers, and practices that need to understand documentation expectations for diagnostic testing under Medicare guidance.

Why This Topic Matters

Diagnostic test documentation affects whether a practice can support the request in the medical record and align with Medicare expectations. The article is relevant for teams trying to reduce confusion about signature and order documentation requirements.

What You Will Learn

  • How CMS framed documentation requirements for diagnostic test requests
  • The difference between treating physicians and ordering physicians in this guidance
  • What types of communication CMS recognizes as a physician order
  • What the article says about signature and medical record documentation expectations

Who Should Read This

  • Medical coders
  • Medical billers
  • Physician practices
  • Coding consultants
  • Compliance staff

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