AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2022 Issue 4; New/Revised ICD-10-CM Codes
Endometriosis
Subcategories N80.0-N80.5, for endometriosis of uterus (N80.0-), ovary (N80.1-), fallopian tube (N80.2-), pelvic peritoneum (N80.3-), rectovaginal septum and vagina (N80.4-), and intestine (N80.5-), have been expanded to identify endometriosis of specific sites, laterality, and depth (superficial, deep, and unspecified). New codes have been created for endometriosis of the bladder and ureters (N80.A-), cardiothoracic space (N80.B-), abdomen (N80.C-), and pelvic nerves (N80.D-). The codes also identify specific sites, laterality, and depth.N80.00-N80.03, Endometriosis of uterus and adenomyosis of uterus N80.101-N80.129, Endometriosis of ovary(ies)...
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Article Overview
This article explains recent ICD-10-CM updates for endometriosis and how the category was expanded to capture more detailed anatomic locations, laterality, and depth of involvement. It is useful for coders, CDI professionals, and clinicians who need to understand the scope of the updated endometriosis classification and its impact on documentation and tracking.
Why This Topic Matters
The expanded structure supports more precise documentation and reporting of endometriosis across gynecologic and extra-pelvic sites. It helps readers understand the breadth of updated coding categories and the general clinical context behind the changes.
Article Sections
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Expanded ICD-10-CM endometriosis categories
Overview of the revised endometriosis category structure and the anatomical groupings addressed in the update. Includes the broad scope of the newly detailed locations and related classification changes.
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Clinical background on endometriosis
General clinical discussion of endometriosis as a gynecologic disorder, including typical involvement patterns, symptoms, and broader presentation. Also notes why added specificity in classification is relevant for tracking and care.
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Documentation and tracking impact
Summary of the reporting significance of the expanded classification structure. Focuses on the general effect of increased specificity on recordkeeping and measurement rather than code selection details.
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Clinical examples
Brief scenario-based examples illustrating how the updated endometriosis classifications may be applied in practice. The examples are included to show the type of documentation addressed by the article.
What You Will Learn
- How the endometriosis ICD-10-CM category was expanded
- What types of anatomic detail are now captured in the classification
- Why laterality and depth matter in endometriosis documentation
- How the article frames the clinical context for updated reporting
- What kinds of scenarios are used to illustrate the updated classification
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement specialists
- Gynecology practices
- Health information management professionals
Codes Discussed
Code Ranges Discussed
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