AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2022 Issue 1; In this Issue
New ICD-10-CM Codes
Summary explanations of the ICD-10-CM changes effective April 1, 2022 are provided below. Addenda changes demonstrating the specific revisions to the code titles or instructional notes are not included in the explanations below. Please note that a few addenda changes have been made in the Alphabetical Index and Tabular List unrelated to the new codes described below. The official ICD-10-CM addenda has been posted on the Centers for Disease Control and Prevention (CDC) National Center for Health Statistics website at: https://www.cdc.gov/nchs/icd/icd10cm.htm. Underimmunization for COVID-19 StatusCode Z28.3, Underimmunization status, has been expanded and three new...
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Article Overview
This article reviews ICD-10-CM changes effective April 1, 2022, with emphasis on newly created COVID-19 underimmunization status codes and related updates to official guidance. It is useful for coding professionals, clinical documentation teams, and compliance staff who need to understand the scope of the changes, the related category structure, and the supporting CDC references without relying on the premium text.
Why This Topic Matters
These ICD-10-CM updates affect how vaccination status related to COVID-19 is documented and reported, which can influence coding accuracy, data quality, and consistency with official guidance. The article helps readers recognize the new status-related coding area and the broader underimmunization framework.
Article Sections
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Summary and source references
An overview of the effective date for the ICD-10-CM changes and a note about the official CDC reference material used for the update. The section also distinguishes the article’s explanatory summary from the addenda changes.
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Underimmunization for COVID-19 Status
A discussion of the expanded underimmunization status category for COVID-19 and the addition of new status-related codes. The section also notes related underimmunization categories and guidance context.
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Clinical example
A brief coding scenario involving a patient with incomplete COVID-19 vaccination status and the reporting outcome presented in the article.
What You Will Learn
- What ICD-10-CM change set is being discussed and when it became effective.
- How the article frames the new COVID-19 underimmunization status topic.
- What kinds of supporting guidance and official references accompany the update.
- How the article presents a practical documentation scenario related to vaccination status.
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation specialists
- Compliance staff
- Revenue cycle professionals
- Health information management professionals
Codes Discussed
Code Ranges Discussed
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