2024
ICD-10-CM
Diagnosis
Code

Q21 Congenital malformations of cardiac septa

  • Non-billable
  • 2016–2024

Q21 is a non-billable/non-specific diagnosis code from the 2024 ICD-10-CM used to classify the following condition: Congenital malformations of cardiac septa.

Type 1 excludes

  • Acquired cardiac septal defect (I51.0)

Codes

Versions

  1. 2024

    No changes

  2. 2023

    No changes

  3. 2022

    No changes

  4. 2021

    No changes

  5. 2020

    No changes

  6. 2019

    No changes

  7. 2018

    No changes

  8. 2017

    No changes

  9. 2016

    New code