Q99.9
BillableChromosomal abnormality, unspecified
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A chromosomal abnormality where the specific type of genetic disorder affecting the chromosomes cannot be identified or specified.
Coding Tips
- •Use this code only when the specific chromosomal abnormality cannot be determined; if the type is known, use a more specific Q99 code
- •This is an unspecified code and should be avoided when more detailed genetic testing results are available
Code Hierarchy
└Q99Other chromosome abnormalities, not elsewhere classified└Q99.9Chromosomal abnormality, unspecified
└Q99.9Chromosomal abnormality, unspecified