Patient presents with complaints consistent with rheumatoid arthritis symptoms, including morning stiffness, joint pain, and swelling.  The patient reports experiencing fatigue, decreased range of motion, and symmetrical joint involvement, primarily affecting the small joints of the hands and feet.  Physical examination reveals palpable synovitis and tenderness in the affected joints.  Laboratory results confirm a positive rheumatoid factor (RF) test, supporting the diagnosis of rheumatoid factor positive rheumatoid arthritis.  Differential diagnoses considered included osteoarthritis, psoriatic arthritis, and lupus.  Based on the patient's presentation, positive rheumatoid factor, and clinical findings, the diagnosis of seropositive rheumatoid arthritis is established.  The patient's disease activity score (DAS28) was calculated to assess disease severity.  Treatment plan includes initiation of disease-modifying antirheumatic drugs (DMARDs), such as methotrexate, to manage disease progression and alleviate symptoms.  Patient education regarding medication management, lifestyle modifications including regular exercise and a balanced diet, and the importance of follow-up appointments for monitoring disease activity and treatment efficacy was provided.  ICD-10 code M05.89, Rheumatoid arthritis with rheumatoid factor positive, is assigned.  CPT codes for evaluation and management (E/M) services and laboratory testing will be billed accordingly.  The patient will be scheduled for follow-up to monitor treatment response and adjust therapy as needed.