const { data: charge } = await clinik.chargeItems.create({
  status: 'billable',
  code: {
    system: 'http://www.ama-assn.org/go/cpt',
    code: '99213',
    display: 'Office visit, established patient, low complexity',
  },
  patientId: 'pt_abc123',
  encounterId: 'enc_visit456',
  occurrenceDateTime: '2024-01-15T10:30:00Z',
  performer: [
    { function: 'Primary performer', actorId: 'Practitioner/pract_dr456' },
  ],
  performingOrganizationId: 'org_sunrise',
  priceOverride: { value: 150.00, currency: 'USD' },
  accountIds: ['acct_billing789'],
  note: 'Routine follow-up visit for diabetes management.',
});

const { data: labCharge } = await clinik.chargeItems.create({
  status: 'billable',
  code: {
    system: 'http://www.ama-assn.org/go/cpt',
    code: '80053',
    display: 'Comprehensive metabolic panel',
  },
  patientId: 'pt_abc123',
  encounterId: 'enc_visit456',
  occurrenceDateTime: '2024-01-15T11:00:00Z',
  quantity: { value: 1, unit: 'test' },
  priceOverride: { value: 45.00, currency: 'USD' },
  reason: ['Annual metabolic screening'],
});

const { data: procedureCharge } = await clinik.chargeItems.create({
  status: 'billable',
  code: {
    system: 'http://www.ama-assn.org/go/cpt',
    code: '27447',
    display: 'Total knee replacement',
  },
  patientId: 'pt_abc123',
  encounterId: 'enc_surgery789',
  occurrencePeriod: {
    start: '2024-03-15T08:00:00Z',
    end: '2024-03-15T11:30:00Z',
  },
  performer: [
    { function: 'Lead Surgeon', actorId: 'Practitioner/pract_surgeon01' },
    { function: 'Anesthesiologist', actorId: 'Practitioner/pract_anesthesia02' },
  ],
  bodySite: ['Right knee'],
  priceOverride: { value: 28500.00, currency: 'USD' },
  overrideReason: 'Negotiated rate per contract',
  accountIds: ['acct_billing789'],
});

// Mark as billed after claim submission
await clinik.chargeItems.update(charge.id, {
  status: 'billed',
  note: 'Claim submitted to insurance on 2024-01-20.',
});

// All billable charges for a patient
const { data } = await clinik.chargeItems.search({
  patientId: 'pt_abc123',
  status: 'billable',
});

// Charges by date range
const { data: recent } = await clinik.chargeItems.search({
  patientId: 'pt_abc123',
  dateFrom: '2024-01-01',
  dateTo: '2024-01-31',
});

// Search by billing code
const { data: visits } = await clinik.chargeItems.search({
  code: '99213',
});