ICD-10

ICD-10 code Q21.1

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- ICD-10-CM
TABULAR LIST of DISEASES and INJURIES
- Q00-Q99
Congenital malformations, deformations and chromosomal abnormalities
- Q20-Q28
Congenital malformations of the circulatory system
- Q21
Congenital malformations of cardiac septa

Q21.1

Atrial septal defect

ICD-10 code Q21.1 for Atrial septal defect

Coronary sinus defect
Patent or persistent foramen ovale
Patent or persistent ostium secundum defect (type II)
Patent or persistent sinus venosus defect
ICD-10
ATC
ICD-10 International Statistical Classification of Diseases and Related Health Problems 10th Revision
ICD-10

ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD), a medical classification list by the World Health Organization (WHO).

It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases.

ATC

The Anatomical Therapeutic Chemical (ATC) Classification System is used for the classification of active ingredients of drugs according to the organ or system on which they act and their therapeutic, pharmacological and chemical properties.

It is controlled by the World Health Organization Collaborating Centre for Drug Statistics Methodology (WHOCC).

DDD

The defined daily dose (DDD) is a statistical measure of drug consumption, defined by the World Health Organization (WHO).

It is used to standardize the comparison of drug usage between different drugs or between different health care environments.

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