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Q20.5

Discordant atrioventricular connection

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 2 never code together
Q20code
Excludes1
  • dextrocardia with situs inversus (Q89.3)Q89.3
  • mirror-image atrial arrangement with situs inversus (Q89.3)Q89.3

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Instructional notes 3
Q20.5code
Inclusion terms
  • Corrected transposition
  • Levotransposition
  • Ventricular inversion
Index entries leading here 7
  • Discordant connection
    • atrioventricular (congenital) Q20.5
  • Communication
    • between
      • left ventricle and right atrium Q20.5
  • Transposition (congenital) — see also Malposition, congenital
  • Corrected transposition Q20.5
  • Ventricle, ventricular — see also condition
  • Inversion
  • Levotransposition Q20.5
Alongside this code 8 same parent — Q20
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 Q20.6 Isomerism of atrial appendages Q20.8 Oth congenital malform of cardiac chambers and connections Q20.9 Congenital malform of cardiac chambers and connections, unsp
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

RX08HCC191

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
Q20
Block
Q20-Q28
Siblings
8

Present FY2024–FY2027.