Specific code icon 2017 ICD-10-CM Diagnosis Code Q20.4

Double inlet ventricle

    2016 2017 Billable/Specific Code POA Exempt

  • Q20.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • This is the American ICD-10-CM version of Q20.4. Other international versions of ICD-10 Q20.4 may differ.
  • Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Information
  • An umbrella term used to describe several very different complex congenital heart defects that share the same problem: the heart has only one functional ventricle (anatomically right or left or indeterminate) supplying the systemic circulation. These defects include tricuspid atresia, hypoplastic left or right heart syndrome, double outlet right ventricle, double inlet left ventricle, and other forms of single ventricle defects.
Applicable To
  • Common ventricle
  • Cor triloculare biatriatum
  • Single ventricle
Present On Admission
  • Q20.4 is considered exempt from POA reporting.
ICD-10-CM Q20.4 is grouped within Diagnostic Related Group(s) (MS-DRG v34.0):
  • 306 Cardiac congenital and valvular disorders with mcc
  • 307 Cardiac congenital and valvular disorders without mcc

Convert ICD-10-CM Q20.4 to ICD-9-CM

The following ICD-10-CM Index entries contain back-references to ICD-10-CM Q20.4: