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G40.42

✓ Billable

Cyclin-Dependent Kinase-Like 5 Deficiency Disorder

Diseases of the nervous system (G00-G99)

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Also Known As

CDKL5

📋 Code Instructions

  • • code, if known, to identify associated manifestations, such as:
  • • cortical blindness (H47.61-)
  • • global developmental delay (F88)

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Code Information

CodeG40.42
BillableYes
ParentG40.4
CategoryDiseases of the nervous system (G00-G99)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)