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2023 ICD 10 CM Index
ICD 10 CM Index (Letter O)
ICD 10 CM Index: Ostium
Ostium
Ostium
atrioventriculare commune
Q21.2
primum (arteriosum) (defect) (persistent)
Q21.2
secundum (arteriosum) (defect) (patent) (persistent)
Q21.1