Q16.4

ICD-10Billable

Other congenital malformations of middle ear

Official ICD-10-CM descriptor (FY2026)

Other congenital malformations of middle ear

Q16.4 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Congenital malformation of middle ear NOS

Related codes in Q16

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: Q16

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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.