Q99.818
✓ BillableOther Usher syndrome
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Also Known As
Usher syndrome, type 4
📋 Code Instructions
from Q99.81- • code to identify any auditory and visual manifestations
✅ No additional coding notes for Q99.818
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CodeQ99.818
BillableYes
ParentQ99.81
CategoryCongenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)