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    v1.0.30
    OpenPayerBilling CodesEvaluation and ManagementHospital Inpatient and Observation Care Services

    Find policies, billing codes, payers, states, and providers

    4 categories

    Hospital Inpatient or Observation Care Services (Including Admission and Discharge Services)

    Hospital Inpatient or Observation Care Services (Including Admission and Discharge Services) cover combined admission, subsequent care, and discharge services provided on the same hospital or observation day. CPT range 99234–99236 includes codes for hospital inpatient or observation services that bundle admission and discharge on the same date.

    Codes 99234–99236Total Codes: 3
    Updated 5/4/2026Standalone

    Hospital Inpatient or Observation Discharge Services

    Hospital Inpatient or Observation Discharge Services describe physician-recorded discharge evaluations and instructions provided at the end of an inpatient or observation stay. CPT range 99238–99239 contains two codes for hospital discharge services differing by time and complexity.

    Codes 99238–99239Total Codes: 2
    Updated 5/4/2026Standalone

    Initial Hospital Inpatient or Observation Care

    Initial Hospital Inpatient or Observation Care includes evaluation and management provided at the time of hospital admission or observation initiation. CPT range 99221–99223 contains initial hospital inpatient/observation admission codes stratified by complexity.

    Codes 99221–99223Total Codes: 3Sub-groups: 1
    Updated 5/4/2026

    Subsequent Hospital Inpatient or Observation Care

    Subsequent Hospital Inpatient or Observation Care covers follow-up daily management of hospitalized or observation patients after initial admission. CPT range 99231–99233 includes subsequent hospital inpatient or observation care codes stratified by complexity.

    Codes 99231–99233Total Codes: 3
    Updated 5/4/2026Standalone

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    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.