ICD-10-CM Diagnosis Code Q99.2
Diagnosis Code: Q99.2 (Raw: Q992)
Description: Fragile X chromosome
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 Q99.2 is designated for Fragile X chromosome. 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.