Patient presents with complaints consistent with osteomyelitis left foot.  Onset of symptoms reported as [duration] ago, characterized by [description of symptoms e.g., progressively worsening pain, swelling, erythema, warmth, limited range of motion in the left foot].  Patient also reports [associated symptoms e.g., fever, chills, malaise, drainage].  Relevant medical history includes [list relevant medical history e.g., diabetes mellitus, peripheral vascular disease, recent foot trauma, immunocompromised state].  Physical examination reveals [objective findings e.g., tenderness to palpation over [specific location], edema, erythema, increased skin temperature, purulent drainage, limited joint mobility].  Differential diagnosis includes cellulitis, septic arthritis, gout, stress fracture.  Laboratory tests ordered include complete blood count with differential, erythrocyte sedimentation rate, C-reactive protein, blood cultures.  Imaging studies ordered include [X-ray, MRI, bone scan] of the left foot to evaluate for bony involvement and assess the extent of infection.  Preliminary diagnosis of osteomyelitis left foot is made based on clinical presentation and pending confirmatory diagnostic testing.  Treatment plan includes [empiric antibiotic therapy with [specific antibiotic], pain management with [specific analgesic], elevation and immobilization of the left foot, consultation with infectious disease specialist, and possible surgical debridement if indicated].  Patient education provided on medication administration, wound care, and importance of follow-up appointments.  Prognosis discussed with patient, emphasizing the need for adherence to the treatment plan for optimal outcome.  Follow-up scheduled in [timeframe] to reassess clinical response to treatment and review results of diagnostic testing.  ICD-10 code M86.671, Osteomyelitis of left foot, is assigned.