AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2025 Issue 4; New/Revised ICD-10-CM Codes

Usher Syndrome

Subcategory Q99.81, Usher syndrome, was created to identify specific types of Usher syndrome. The new codes are as follows:Q99.811 Usher syndrome, type 1 Q99.812 Usher syndrome, type 2 Q99.813 Usher syndrome, type 3 Q99.818 Other Usher syndrome Q99.819 Usher syndrome, unspecified Usher syndrome (USH) is an inherited disorder that causes hearing and vision loss (i.e., retinitis pigmentosa, night blindness, tunnel vision or blindness), and problems with balance in some individuals. USH symptoms are usually present at birth or may develop during childhood. Symptoms vary and develop over time depending on the type...

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