Patient presents with chronic pain, a persistent pain condition lasting longer than three months, not attributable to a specific diagnosed medical condition or exceeding the usual expected duration of pain associated with such a condition.  Differential diagnosis considered and ruled out other chronic pain syndromes such as fibromyalgia, complex regional pain syndrome, and chronic migraine.  The patient reports persistent pain impacting daily activities, characterized by descriptors such as aching, burning, or throbbing.  Pain assessment includes location, intensity utilizing a pain scale (0-10), quality, frequency, duration, aggravating and alleviating factors.  Review of systems reveals associated symptoms including fatigue, sleep disturbance, and mood changes.  Physical examination findings may include tenderness to palpation in the affected area, but no other significant objective findings.  Current medications include over-the-counter analgesics with limited effectiveness.  Treatment plan includes patient education on pain management strategies, referral to physical therapy for exercise and pain rehabilitation, and consideration of non-pharmacological interventions such as mindfulness techniques and cognitive behavioral therapy.  Follow-up scheduled to assess treatment response and adjust the plan as needed.  ICD-10 code G89.28, Other chronic pain, is assigned.  Medical necessity for ongoing treatment and management of chronic pain documented.