ICD-10-CM Diagnosis Code Q21.1 - Atrial septal defect
https://icdlist.com/icd-10/Q21.1
WebQ21.1 is a non-billable diagnosis code for atrial septal defect, use codes with a higher level of specificity: Q21.10, Q21.11, Q21.12, Q21.13, Q21.14, Q21.15, Q21.16
DA: 34 PA: 53 MOZ Rank: 97