Other chronic hematogenous osteomyelitis, left humerus

This code signifies a long-standing infection of the bone marrow and surrounding bone tissue in the left upper arm, specifically the humerus, that originated from a blood-borne source. It indicates a persistent or recurrent inflammatory process within the bone due to bacterial or fungal dissemination through the bloodstream.

Use this code for patients diagnosed with chronic osteomyelitis of the left humerus where the infection is determined to be hematogenous in origin and does not fall into categories of acute, subacute, or other specified types. Documentation should clearly state "chronic hematogenous osteomyelitis" and specify the left humerus as the affected site.

• Ensure documentation specifies "chronic" and "hematogenous" to differentiate from acute or other forms of osteomyelitis.
• Laterality is crucial; confirm the infection is in the left humerus.
• Do not use for osteomyelitis due to direct inoculation or contiguous spread; those have different code assignments.