Acute hematogenous osteomyelitis, left humerus

This code signifies an acute bone infection originating from the bloodstream, specifically affecting the left upper arm bone. This condition is characterized by rapid onset and inflammation of the bone and bone marrow due to bacterial or fungal dissemination.

Apply this code for patients presenting with sudden onset of pain, swelling, and fever localized to the left humerus, with diagnostic imaging (e.g., X-ray, MRI) and laboratory findings (e.g., elevated ESR, CRP, positive blood cultures) confirming acute osteomyelitis. Documentation must clearly specify "acute," "hematogenous," and "left humerus."

• Ensure documentation differentiates between acute and chronic osteomyelitis; this code is only for acute presentations.
• Confirm the laterality (left) and specific bone (humerus) are explicitly stated in the medical record.
• Do not use this code for osteomyelitis resulting from direct inoculation (e.g., trauma, surgery) or contiguous spread; those require different codes.