Complete ICD-10-CM coding and documentation guide for icd-10 coding for hypertrophic obstructive 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 Obstructive 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
Heart failure, unspecified
Use when heart failure is present alongside HOCM.
The ICD-10 code for hypertrophic obstructive cardiomyopathy is I42.1, used when there is documented left ventricular outflow tract obstruction.
Documentation must include 'obstructive' and echocardiogram findings showing LVOT gradient ≥30 mmHg and systolic anterior motion of the mitral valve.