ICD-10 Code G40.42 - Cyclin-Dependent Kinase-Like 5 Deficiency Disorder

ICD-10-CM Diagnosis Code G40.42

Diagnosis Code: G40.42 (Raw: G4042)

Description: Cyclin-Dependent Kinase-Like 5 Deficiency Disorder

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code G40.42 is designated for Cyclin-Dependent Kinase-Like 5 Deficiency Disorder. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.