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Q99.818

Billable

Other Usher syndrome

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A genetic disorder causing progressive hearing loss and vision loss (retinitis pigmentosa) that does not fit the typical patterns of types 1, 2, or 3 Usher syndrome.

Coding Tips

  • •Use this code only when Usher syndrome is confirmed but does not meet criteria for types 1, 2, or 3
  • •Document the specific clinical features and genetic findings that support the Usher syndrome diagnosis

Code Hierarchy

└Q99Other chromosome abnormalities, not elsewhere classified└Q99.8Other specified chromosome abnormalities└Q99.81Usher syndrome└Q99.818Other Usher syndrome
└Q99.818Other Usher syndrome

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