M87.333
BillableOther secondary osteonecrosis of unspecified radius
HCC Category Mapping
V28HCC 92 — Bone/Joint/Muscle Infections/Necrosis
0.209V24HCC 39 — Bone/Joint/Muscle Infections/Necrosis
0.482ESRDHCC 39 — Bone/Joint/Muscle Infections/Necrosis
0.000RxHCCHCC 80 — Bone/Joint/Muscle Infections/Necrosis
0.000What This Code Means
Death of bone tissue in the forearm bone (radius) of unspecified side caused by a secondary condition or factor.
Coding Tips
- •Attempt to obtain laterality from clinical documentation or imaging reports before using this unspecified code
- •This code should be used minimally; clarify with provider if laterality is truly unknown
Clinical Significance
Unspecified radius secondary osteonecrosis indicates bone death from identifiable non-traumatic causes when laterality cannot be determined. This condition affects forearm biomechanics and requires management of both the underlying cause and bone pathology.
Documentation Requirements
- ✓Documentation of underlying secondary cause of osteonecrosis
- ✓Imaging evidence of radial osteonecrosis without specified side
- ✓Clinical findings showing forearm/wrist dysfunction
- ✓Documentation explaining why laterality is unspecified
- ✓History of risk factors for secondary osteonecrosis
- ✓Exclusion of traumatic and idiopathic causes
- ✓Provider assessment of secondary nature
- ✓Evidence of compromised bone blood supply
Commonly Confused Codes
M87.033 — Idiopathic osteonecrosis of unspecified radius (no secondary cause)M87.233 — Osteonecrosis due to previous trauma of unspecified radius (traumatic)S52.509A — Unspecified fracture of lower end of unspecified radius (acute)M86.039 — Acute hematogenous osteomyelitis of unspecified radius (infection)M25.539 — Pain in unspecified wrist (symptom only)
Code Hierarchy
└M87Osteonecrosis└M87.3Other secondary osteonecrosis└M87.33Other secondary osteonecrosis of radius, ulna and carpus└M87.333Other secondary osteonecrosis of unspecified radius
└M87.333Other secondary osteonecrosis of unspecified radius