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ICD-10-CM Code for Secundum atrial septal defect Q21.11

ICD-10 code Q21.11 for Secundum atrial septal defect is a medical classification as listed by WHO under the range - Congenital malformations, deformations and chromosomal abnormalities .

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Official Long Descriptor

Secundum atrial septal defect
Fenestrated atrial septum
Patent or persistent ostium secundum defect (type II)

Q21.1

Excludes2: ostium primum atrial septal defect (type I) (Q21.20)

Q21

Excludes1: acquired cardiac septal defect (I51.0)

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM Q21.11 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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