2019 ICD-10-CM update: Expect to provide more specificity when coding surgical site infections

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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 proposed 2019 ICD-10-CM update activity and highlights major areas of change across the diagnosis code set. It is aimed at coders, billers, compliance staff, and clinicians who need to understand which categories are being revised, expanded, or invalidated, and why the updates matter for documentation and reporting. The coverage includes surgical site infection coding changes, orthopedic fracture revisions, neurologic and genetic condition updates, mental health and substance-related coding changes, eye and adnexa revisions, perinatal and congenital condition updates, and quality-reporting-related Z codes.

Why This Topic Matters

The article helps readers identify where ICD-10-CM documentation and reporting will require more detail when the annual code update takes effect. It is especially relevant for practices that code postoperative complications, fractures, chronic genetic disorders, eye conditions, newborn diagnoses, and quality-measure-related encounters.

Article Sections

  1. Proposed 2019 ICD-10-CM update overview

    Summarizes the scope and timing of the proposed diagnosis code changes and explains the organizations involved in the annual update process.

  2. Post-operative surgical site infection changes

    Covers the proposed expansion of postoperative infection coding and the added specificity around infection location and encounter status.

  3. Orthopedic fracture code revisions

    Describes changes affecting finger fracture coding and the related emphasis on documentation detail and treatment stage.

  4. Muscular dystrophy and facial nerve/muscle codes

    Reviews updates for muscular dystrophy categories and new face-related nerve and muscle condition options.

  5. Myalgia code expansion

    Summarizes new and revised options within the myalgia category for pain involving different muscle group locations.

  6. Drug-related, newborn exposure, and psychiatric code updates

    Discusses additions related to substance use effects, newborn conditions linked to maternal drug exposure, postpartum conditions, and factitious disorder coding.

  7. Rare genetic and neurologic disease codes

    Covers updates for selected rare inherited and neurologic conditions and the broader push for more specific diagnosis reporting.

  8. Digestive system category revisions

    Summarizes changes affecting appendicitis and gallbladder-related diagnosis categories and the general intent of the revisions.

  9. Quality reporting Z code updates

    Describes new and revised Z codes connected to screening and vaccine availability reporting for quality measures.

  10. Eye and adnexa updates

    Highlights laterality and eyelid-related expansion in eye and adnexa coding, including related neoplasm and condition categories.

  11. Zika-related diagnosis codes

    Summarizes new reporting options for Zika exposure and congenital infection within the diagnosis code set.

  12. Proposed 2019 ICD-10-CM changes by chapter

    Presents the chapter-by-chapter summary table of new, revised, and invalidated diagnosis codes for the proposed update year.

What You Will Learn

  • How the proposed ICD-10-CM update is organized and released each year
  • Which broad diagnosis categories are receiving expanded specificity
  • Which specialties and reporting areas are most affected by the proposed changes
  • How the annual update includes new, revised, and invalidated diagnosis code activity
  • Which chapters of ICD-10-CM show the largest volume of proposed change

Who Should Read This

  • Medical coders
  • Coding auditors and compliance staff
  • Physician practices
  • Hospital inpatient coding staff
  • Clinical documentation specialists
  • Revenue cycle professionals

Codes Discussed

Code Ranges Discussed

  • ICD-10-CM: S62.620- TO S62.625-
  • ICD-10-CM: S62.650- TO S62.653-
  • ICD-10-CM: S62.626- TO S62.629-
  • ICD-10-CM: S62.654- TO S62.659-
  • ICD-10-CM: G71.01, G71.02, AND G71.09
  • ICD-10-CM: P04.11 TO P04.42 AND P04.81 TO P04.89
  • ICD-10-CM: K35.2 TO K35.8

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