2025
ICD-10-CM
Diagnosis
Code

G40.42 Cyclin-Dependent Kinase-Like 5 Deficiency Disorder

  • Billable
  • 2021–2025

G40.42 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Cyclin-Dependent Kinase-Like 5 Deficiency Disorder.

Inclusion term

  • CDKL5

Use additional code

  • Code, if known, to identify associated manifestations, such as:

    • Cortical blindness (H47.61-)

    • Global developmental delay (F88)

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    New code