AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2022 Issue 4; In This Issue
Changes to ICD-10-CM Official Guidelines for Coding and Reporting
A summary of the modifications to the ICD-10-CM Official Guidelines for Coding and Reporting are included below. The complete guidelines may be downloaded by visiting https://www.cdc.gov/nchs/icd/Comprehensive-Listing-of-ICD-10-CM-Files.htmThe modifications are published below using the following format:Narrative changes appear in bold text (e.g., severe sepsis)Items underlined were moved within the guidelines since October 1, 2021 (e.g., severe sepsis)Deletions are shown as strikeouts (e.g., severe sepsis)Section I. Conventions, general coding guidelines and chapter specific guidelinesA. Conventions for the ICD-10-CM … 19. Code assignment and Clinical Criteria The assignment of a diagnosis code is based on the provider&rsquo...
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Article Overview
This article reviews changes to the ICD-10-CM Official Guidelines for Coding and Reporting and is intended for coding professionals who need to track annual guideline updates. It covers general documentation principles, chapter-specific guidance, and selected Z code and diagnosis-related updates spanning infectious diseases, neoplasms, diabetes, mental health, pregnancy, perinatal care, injuries, and factors influencing health status. The content is useful for anyone comparing current and prior ICD-10-CM reporting guidance or preparing for guideline changes.
Why This Topic Matters
Guideline updates can affect diagnosis reporting, sequencing, and documentation interpretation across a wide range of clinical settings. Staying current helps coders, auditors, CDI teams, and billing staff align documentation review with the latest ICD-10-CM Official Guidelines.
Article Sections
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Section I. Conventions, general coding guidelines and chapter specific guidelines
Introduces general ICD-10-CM conventions, documentation principles, and chapter-specific guidance. Also includes selected topics related to provider documentation, complications of care, and special status reporting.
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Chapter 1: Certain Infectious and Parasitic Diseases
Covers guideline updates for infectious disease reporting within Chapter 1. Topics include HIV-related guidance, sepsis-related guidance, and coronavirus-related status/documentation references.
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Chapter 2: Neoplasms
Summarizes updates involving neoplasm admission and encounter rules. Also addresses guidance related to secondary malignant neoplasm patterns and lymphoid tissue involvement.
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Chapter 4: Endocrine, Nutritional, and Metabolic Diseases
Reviews diabetes-related guideline updates, including medication-use reporting across different treatment types. Secondary diabetes guidance is also addressed.
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Chapter 5: Mental, Behavioral and Neurodevelopmental disorders
Covers updates affecting substance-use disorders, remission reporting, alcohol-related documentation, and dementia severity guidance. The section focuses on provider documentation and clinical judgment references.
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Chapter 15: Pregnancy, Childbirth, and the Puerperium
Addresses obstetric coding guidance, including gestational age interpretation, diabetes in pregnancy references, and termination-of-pregnancy complications. The section highlights pregnancy-related reporting updates.
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Chapter 16: Certain Conditions Originating in the Perinatal Period
Summarizes guidance for newborn observation and evaluation when suspected conditions are ruled out. It also distinguishes situations involving signs or symptoms.
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Chapter 19: Injury, poisoning, and other certain other consequences of external causes
Covers adverse effects, poisoning, underdosing, and toxic effects guidance. The discussion includes how underdosing is categorized in the guideline framework.
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Chapter 21: Factors influencing health status and contact with health services
Reviews selected Z code guidance covering status, counseling, miscellaneous Z codes, and social determinants of health. The section reflects documentation-dependent reporting topics.
What You Will Learn
- How the ICD-10-CM Official Guidelines were modified across major chapters
- Which documentation principles were clarified for diagnosis reporting
- What areas of ICD-10-CM chapter guidance were updated
- How the article organizes changes affecting general coding and selected Z codes
- Which clinical documentation topics are emphasized in the update summary
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation integrity specialists
- Billing and reimbursement staff
- Healthcare compliance teams
- Provider education teams
Codes Discussed
Code Ranges Discussed
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