Q13.9

ICD-10Billable

Congenital malformation of anterior segment of eye, unsp

Official ICD-10-CM descriptor (FY2026)

Congenital malformation of anterior segment of eye, unspecified

Q13.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in Q13

Where this code sits

Chapter: 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
Block: Congenital malformations of eye, ear, face and neck (Q10-Q18)
Parent code: Q13

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.