AHA Coding Clinic® for HCPCS - 2013 Quarter 3
Reporting MOHS micrographic surgery (MMS)
If a biopsy is performed prior to the Mohs surgery for diagnostic purposes, can the biopsy be reported? ...
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Article Overview
This article explains reporting considerations for Mohs micrographic surgery and the common errors identified in audit findings. It is intended for coders, billing staff, and physicians who work with skin cancer procedures and related pathology services. The discussion covers the overall procedure, related biopsy and pathology services, staged or related procedures, and when separately performed repairs or reconstructive services may also be part of the claim picture.
Why This Topic Matters
Mohs surgery is a specialized dermatologic procedure with reporting rules that can affect compliance and claim accuracy. Understanding the article helps readers recognize when related services are bundled, when separate reporting may be considered, and why the same clinician’s role matters for accurate documentation and billing.
Article Sections
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Overview of audit findings and Mohs surgery
Introduces the audit issue and provides a general review of Mohs micrographic surgery, including the types of skin cancers commonly addressed and the staged nature of the procedure.
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CPT reporting for Mohs micrographic surgery
Summarizes the CPT framework associated with Mohs surgery and discusses the related components that are considered part of the service.
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Related biopsy, pathology, and repair services
Addresses how nearby diagnostic and pathology services, as well as wound repair and reconstruction services, are discussed in relation to Mohs surgery reporting.
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Separate physicians and biopsy prior to Mohs surgery
Explains the reporting scenario when the surgical and pathology portions are performed by different physicians and notes the article’s biopsy-before-Mohs discussion.
What You Will Learn
- How the article frames common audit concerns related to Mohs micrographic surgery reporting
- Which categories of services are discussed alongside Mohs surgery
- How the article treats biopsy, pathology, and repair services in the Mohs setting
- Why clinician roles and procedural sequencing are relevant to reporting considerations
Who Should Read This
- Medical coders
- Billing staff
- Dermatology practices
- Pathology professionals
- Physicians performing Mohs surgery
Codes Discussed
Code Ranges Discussed
Modifiers Discussed
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