AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2017 Issue 4; New/Revised ICD-10-CM Diagnosis Codes
Dermatomyositis
New codes have been created for juvenile dermatomyositis without myopathy (M33.03), other dermatomyositis without myopathy (M33.13) and unspecified dermatopolymyositis without myopathy (M33.93). In addition, the titles for codes at subcategories M33.0, Juvenile dermatopolymyositis, and M33.1, Other dermatopolymyositis, have been revised to align with the original World Health Organization (WHO) titles. The revised titles replace the term “dermatopolymyositis” with “dermatomyositis.” Dermatomyositis is a rare, idiopathic inflammatory disease with chronic myopathy involving proximal muscle weakness, distinctive rash, characteristic muscle biopsy findings, and elevations in muscle enzymes on laboratory evaluation. The rash is patchy...
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Article Overview
This article is for coders, auditors, clinicians, and revenue cycle professionals who need to understand recent ICD-10-CM changes related to dermatomyositis and the broader clinical context of the disease. It summarizes newly created diagnosis codes, revisions to related category titles, and a general medical overview covering presentation, affected body systems, typical age groups, and common treatment approaches.
Why This Topic Matters
Dermatomyositis coding changes can affect diagnosis reporting, documentation review, and code selection in settings that manage inflammatory myopathies. Understanding the updated terminology and the clinical background helps readers recognize when the article is relevant to current ICD-10-CM use.
What You Will Learn
- What recent ICD-10-CM changes were made for dermatomyositis-related diagnoses
- How dermatomyositis is generally described in clinical terms
- Which body systems and patient groups are commonly associated with the condition
- What broad treatment approaches are commonly mentioned in connection with dermatomyositis
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation specialists
- Physicians and other clinicians
- Revenue cycle professionals
Codes Discussed
Code Ranges Discussed
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