M89.431
BillableOther hypertrophic osteoarthropathy, right forearm
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A condition where bones and tissues in the right forearm become abnormally thickened and enlarged, affecting the area between the elbow and wrist.
Coding Tips
- •Distinguish forearm from upper arm or hand involvement based on anatomical location
- •Confirm right side is documented to avoid miscoding as left forearm
Code Hierarchy
└M89Other disorders of bone└M89.4Other hypertrophic osteoarthropathy└M89.43Other hypertrophic osteoarthropathy, forearm└M89.431Other hypertrophic osteoarthropathy, right forearm
└M89.431Other hypertrophic osteoarthropathy, right forearm