🎯 CPT Code 99235 Documentation & Billing Guide

Last Updated: February 2026
Status: 2025 Medicare Fee Schedule Compliant


CPT 99235 - Observation/Inpatient Care, Same Day (Moderate)

Description & Explanation: Same as 99234 (Admit and Discharge on the same calendar date), but for Moderate complexity cases.

  • MDM: Moderate.

  • Time: 70 minutes.

  • Duration Rule: Stay must typically be > 8 hours.

Code Tree:

  • Evaluation and Management

    • Hospital Inpatient or Observation Care

      • Same Day Admission and Discharge

        • 99235: Admit/Discharge same date, moderate MDM or 70 min

Technical Data:

  • WRVU (2025): ~4.72

  • Global Period: XXX

  • Assistant Payable: No

Clinical Examples:

  1. Chest Pain Rule Out: Patient admitted at 8 AM for chest pain. Serial troponins and stress test performed. All negative. Discharged at 8 PM.

  2. Asthma Exacerbation: Patient admitted for aggressive nebulizer treatment and steroids. Clears significantly after 10 hours and discharged home.