M86.119

HCC Category Mapping

What This Code Means

A sudden bacterial bone infection in the shoulder that is not blood-borne in origin, when the specific side (left or right) is not documented.

Coding Tips

• •Use this code only when laterality cannot be determined from documentation
• •Query provider if shoulder laterality is clinically relevant but not documented

Clinical Significance

Other acute osteomyelitis of unspecified shoulder represents non-hematogenous bone infection where laterality cannot be determined from available documentation. This condition requires immediate antibiotic intervention and close monitoring to prevent progression to chronic infection, joint destruction, and permanent shoulder dysfunction.

Documentation Requirements

• ✓Documentation of acute osteomyelitis involving shoulder
• ✓Confirmation that infection is not hematogenous in origin
• ✓Evidence that shoulder laterality is unspecified or unknown
• ✓Clinical presentation consistent with shoulder bone infection
• ✓Imaging findings supporting osteomyelitis diagnosis
• ✓Laboratory markers indicating active infection
• ✓Culture results and organism identification when possible
• ✓Assessment of shoulder function and mobility restrictions

Commonly Confused Codes