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M89.231

Billable

Other disorders of bone development and growth, right ulna

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

What This Code Means

A developmental or growth disorder affecting bone formation in the right forearm bone on the thumb side (ulna).

Coding Tips

  • •Verify right-sided ulna involvement is documented; do not assume based on dominance
  • •Distinguish from radius involvement, which would require a different code

Code Hierarchy

└M89Other disorders of bone└M89.2Other disorders of bone development and growth└M89.23Other disorders of bone development and growth, ulna and radius└M89.231Other disorders of bone development and growth, right ulna
└M89.231Other disorders of bone development and growth, right ulna

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