Complete ICD-10-CM coding and documentation guide for icd-10 coding for interatrial septal defect includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Interatrial Septal Defect
Use ICD-10 code Q21.1 for atrial septal defect, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Down syndrome
Use when ASD is part of trisomy 21.
The ICD-10 code for a congenital atrial septal defect is Q21.1, with specific subcodes for types like secundum ASD (Q21.11).
For an ASD post-MI, use I23.1, ensuring to sequence it with the myocardial infarction code (I21.-).