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Q20.4 - Double inlet ventricle

The ICD 10 Code for Double inlet ventricle is listed as Q20.4.
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: Q20.4
Description: Double inlet ventricle
  • Common ventricle
  • Cor triloculare biatriatum
  • Single ventricle
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: 745.3 - Common ventricle
ICD-10-CM Siblings (same level / similar specificity) of Q20.4:
Q20.0 - Common arterial trunk
Q20.1 - Double outlet right ventricle
Q20.2 - Double outlet left ventricle
Q20.3 - Discordant ventriculoarterial connection
Q20.5 - Discordant atrioventricular connection
Q20.6 - Isomerism of atrial appendages
Q20.8 - Other congenital malformations of cardiac chambers and connections
Q20.9 - Congenital malformation of cardiac chambers and connections, unspecified