Classify BCode — Emergency Room Visit with Chest Pain

New ER claim needs BCode classification. No existing codes — please assign BCodes to all service lines.

{
  "claim_id": "TEST-ER-2024-002",
  "claim_type": "institutional",
  "care_type": "outpatient",
  "bill_type": "131",
  "diagnoses": [
    {
      "code": "R07.9",
      "sequence": 1,
      "type": "principal"
    },
    {
      "code": "I25.10",
      "sequence": 2
    }
  ],
  "service_lines": [
    {
      "sequence": 1,
      "cpt_code": "99284",
      "revenue_code": "0450",
      "units": 1,
      "diagnosis_sequence": [
        1
      ]
    },
    {
      "sequence": 2,
      "cpt_code": "71046",
      "revenue_code": "0320",
      "units": 1,
      "diagnosis_sequence": [
        1
      ]
    },
    {
      "sequence": 3,
      "cpt_code": "93000",
      "revenue_code": "0730",
      "units": 1,
      "diagnosis_sequence": [
        1,
        2
      ]
    },
    {
      "sequence": 4,
      "cpt_code": "80048",
      "revenue_code": "0300",
      "units": 1,
      "diagnosis_sequence": [
        1
      ]
    }
  ],
  "provider": {
    "name": "Metro General Hospital",
    "specialty": "Emergency Medicine",
    "npi": "9876543210"
  },
  "patient": {
    "age": 55,
    "gender": "M"
  }
}