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Q20.9 - Congenital malformation of cardiac chambers and connections, unspecified


The ICD 10 Code for Congenital malformation of cardiac chambers and connections, unspecified is listed as Q20.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: Q20.9
Description: Congenital malformation of cardiac chambers and connections, unspecified
Diagnostic Related Groups
(MS-DRG v30.0)
306 - Cardiac Congenital & Valvular Disorders W Mcc
307 - Cardiac Congenital & Valvular Disorders W/o Mcc
Chapter Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Block Congenital malformations of the circulatory system (Q20-Q28)
Parent Q20 - Congenital malformations of cardiac chambers and connections
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 746.9 - Unspecified congenital anomaly of heart (approximate)
ICD-10-CM Siblings (same level / similar specificity) of Q20.9:
Q20.0 - Common arterial trunk
Q20.1 - Double outlet right ventricle
Q20.2 - Double outlet left ventricle
Q20.3 - Discordant ventriculoarterial connection
Q20.4 - Double inlet ventricle
Q20.5 - Discordant atrioventricular connection
Q20.6 - Isomerism of atrial appendages
Q20.8 - Other congenital malformations of cardiac chambers and connections