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Q99.819

Billable

Usher syndrome, unspecified

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), but the specific type or subtype cannot be determined.

Coding Tips

  • •Use this code only when Usher syndrome is diagnosed but the type is not yet determined or documented
  • •Encourage documentation of genetic testing results and clinical features to allow for more specific coding in the future

Code Hierarchy

└Q99Other chromosome abnormalities, not elsewhere classified└Q99.8Other specified chromosome abnormalities└Q99.81Usher syndrome└Q99.819Usher syndrome, unspecified
└Q99.819Usher syndrome, unspecified

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