G40.42 (Cyclin-Dependent Kinase-Like 5 Deficiency Disorder) is a billable ICD-10-CM medical diagnosis code in the Diseases of the nervous system chapter. It identifies cases of cyclin-dependent kinase-like 5 deficiency disorder for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Billable Code

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

Chapter G00-G99: Diseases of the nervous system

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Common questions about G40.42 (Cyclin-Dependent Kinase-Like 5 Deficiency Disorder)

What does ICD-10 code G40.42 mean?
G40.42 is the ICD-10-CM 2025 code for Cyclin-Dependent Kinase-Like 5 Deficiency Disorder. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is G40.42 a billable diagnosis code?
Yes, G40.42 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.
Which ICD-10 chapter does G40.42 belong to?
G40.42 belongs to the chapter "Diseases of the nervous system" (codes G00-G99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Cyclin-Dependent Kinase-Like 5 Deficiency Disorder?
For a plain-language explanation of Cyclin-Dependent Kinase-Like 5 Deficiency Disorder, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Cyclin-Dependent Kinase-Like 5 Deficiency Disorder" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗