ICD-11 classes
11 Diseases of the circulatory system
Diseases of the myocardium or cardiac chambers
BC40 — Acquired atrial abnormality

ICD-11 BC40 — Acquired atrial abnormality

A postnatal pathological change in form or function of one or both atriums.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code BC40 contains 6 clarifying diagnoses:

1. BC40.0 — Acquired interatrial communication
2. BE17 — Postprocedural residual or recurrent interatrial communication
3. BE1E — Postprocedural right atrial complication
   It contains 2 clarifying diagnoses.
4. BE1F — Postprocedural left atrial complication
   It contains 2 clarifying diagnoses.
5. BC40.Y — Other specified acquired atrial abnormality
6. BC40.Z — Acquired atrial abnormality, unspecified