G40.42
Billable codeCyclin-Dependent Kinase-Like 5 Deficiency Disorder
The ICD-10 code for cyclin-dependent kinase-like 5 deficiency disorder is G40.42.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- CDKL5
Use additional code
This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G40.40Other generalized epilepsy and epileptic syndromes, not intractablenon-billable header
- G40.41Other generalized epilepsy and epileptic syndromes, intractablenon-billable header
- G40.42Cyclin-Dependent Kinase-Like 5 Deficiency Disorder
Associated MS-DRGs
G40.42 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.