AMA CPT® Assistant - 1998 Issue 12 (December)
Integumentary System/Excision, 11400-11646 (Q&A) (December 1998)
December 1998 page 10d Coding Consultation Integumentary System/Excision, 11400-11646 (Q&A) Question CPT codes 11400 - 11646 are based on the lesion diameter. How is excision of a lesion calculated when the diameter of the lesion is not circular? AMA Comment The size of a lesion is measured by its diameter in a circular or elliptical lesion. If the lesion is asymmetrical or irregular, the maximum width is used to measure the lesion. For example, if an asymmetrical benign lesion, measuring 1.0 cm x 2.0 cm, is excised from the neck, the correct code is 11422 , Excision...
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Article Overview
This brief CPT Assistant Q&A addresses lesion measurement concepts used in integumentary excision coding and explains the general approach to sizing lesions that are not round. It is relevant to coders, billers, and clinic staff who work with skin excision reporting and want to understand the measurement topic discussed in the article.
Why This Topic Matters
Accurate lesion measurement is a key part of selecting the correct excision code in integumentary surgery. This article clarifies the measurement topic in a practical way for coding and documentation review.
Article Sections
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Coding Consultation
Introduces the coding question and the general topic of lesion sizing for integumentary excision reporting.
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Question
Presents the coding scenario being asked about and the measurement concern involved.
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AMA Comment
Provides the response discussing how lesion measurement is approached for excision coding and includes an illustrative example.
What You Will Learn
- The article’s focus within integumentary excision coding
- How lesion size measurement is discussed for non-circular lesions
- The type of documentation issue addressed in the Q&A format
- Why lesion shape can affect measurement interpretation in coding review
Who Should Read This
- Medical coders
- Billing staff
- Clinical documentation specialists
- Coding auditors
- Physician office staff
Codes Discussed
Code Ranges Discussed
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