Complete ICD-10-CM coding and documentation guide for icd-10 coding for hypertrophic cardiomyopathy includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Hypertrophic Cardiomyopathy
Use ICD-10 code I42.1 for obstructive hypertrophic cardiomyopathy, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Unspecified atrial fibrillation
Use when atrial fibrillation is present with HCM.
Family history of other specified conditions
Use when there is a family history of sudden cardiac death.
The ICD-10 code for obstructive hypertrophic cardiomyopathy is I42.1, while nonobstructive hypertrophic cardiomyopathy is coded as I42.2.
Code heart failure first (I50.xx) if it is the primary reason for the encounter, followed by the specific HCM code (I42.1 or I42.2).