2017 brings new ICD-10-CM codes for reporting diseases of the musculoskeletal system

February 14th, 2017

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

Article Overview

This article summarizes notable 2017 ICD-10-CM changes in Chapter 13 for musculoskeletal and connective tissue conditions. It is aimed at coding professionals and clinical staff who need to understand which diagnosis areas were revised, why the updates were made, and what general documentation themes became more important. The discussion covers several diagnosis groupings, specialty-driven requests for new specificity, and broader reporting considerations tied to laterality, anatomic level, and fracture classification.

Why This Topic Matters

Updates to musculoskeletal diagnosis coding can affect code selection, specificity, and documentation requirements across multiple specialties. Understanding these revisions helps organizations prepare for coding changes, improve diagnosis reporting consistency, and align records with the expanded ICD-10-CM structure.

Article Sections

  1. M04.-, cryopyrin-associated periodic syndromes and other autoinflammatory syndromes

    Introduces updates in the autoinflammatory syndrome area of ICD-10-CM Chapter 13. The section discusses the general reason for the category expansion and the broader classification focus.

  2. M21.61-, M21.62-, bunions and bunionettes

    Covers the foot and ankle coding area involving bunion-related terminology and laterality-related structure. The section explains the specialty interest that drove the update and the distinction among the reported terms.

  3. M26.60-, M26.61-, M26.62-, M26.63-, temporomandibular joint disorders

    Reviews updates related to temporomandibular joint disorders and the request for more specific reporting. The section focuses on the broader TMJ disorder group and the addition of laterality-focused options.

  4. M50.-, cervical disc disorders

    Summarizes changes for cervical disc disorder reporting with greater level-specific detail. The section addresses mid-cervical spine coding changes and the general clinical context for documenting these disorders.

  5. M62.84, sarcopenia

    Discusses the addition of a specific code for sarcopenia and the condition’s place in musculoskeletal reporting. The section also covers general clinical implications of identifying the condition.

  6. M84.-, atypical femoral fracture

    Explains the musculoskeletal fracture category update related to atypical femoral fracture reporting. The section describes the broader clinical and specialty rationale behind the new category.

  7. M97.-, periprosthetic fractures

    Covers the relocation and expansion of periprosthetic fracture reporting within ICD-10-CM Chapter 13. The section discusses the general classification change and its relationship to internal prosthetic structures.

What You Will Learn

  • Which musculoskeletal diagnosis areas were revised for 2017 ICD-10-CM
  • What general documentation themes became more important for updated diagnosis reporting
  • How specialty organizations influenced selected ICD-10-CM musculoskeletal changes
  • Which broad condition groups received added specificity or reclassification
  • How the chapter update affected fracture-related reporting categories

Who Should Read This

  • Medical coders
  • Coding auditors
  • Clinical documentation specialists
  • Physicians and other providers
  • Practice managers
  • Health information management professionals

Codes Discussed

  • ICD-10-CM: M04.1
  • ICD-10-CM: M04.2
  • ICD-10-CM: M04.8
  • ICD-10-CM: M04.9
  • ICD-10-CM: M20.1
  • ICD-10-CM: M21.61
  • ICD-10-CM: M21.62
  • ICD-10-CM: M26.60
  • ICD-10-CM: M26.61
  • ICD-10-CM: M26.62
  • ICD-10-CM: M26.63
  • ICD-10-CM: M62.84

Code Ranges Discussed

  • ICD-10-CM: M04.-
  • ICD-10-CM: M21.61-
  • ICD-10-CM: M21.62-
  • ICD-10-CM: M26.60-
  • ICD-10-CM: M26.61-
  • ICD-10-CM: M26.62-
  • ICD-10-CM: M26.63-
  • ICD-10-CM: M50.-
  • ICD-10-CM: M84.-
  • ICD-10-CM: M97.-

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