Fragile X chromosome Q99.2

The ICD10 code for the diagnosis "Fragile X chromosome" is "Q99.2". Q99.2 is a VALID/BILLABLE ICD10 code, i.e it is valid for submission for HIPAA-covered transactions.

  • Q99.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM Q99.2 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of Q99.2 - other international versions of ICD-10 Q99.2 may differ.
Applicable To:
  • Fragile X syndrome

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.