Floating Contact
Text Message
+1 (916) 299-5335

99253 CPT Code: 2026 Requirements, Time, MDM, and Billing Rules

CPT 99253 inpatient consultation billing 2026 hero banner: low MDM or 45-minute time threshold, Medicare's non-recognition requiring 99221-99223 for inpatients, the observation-status routing trap sending non-ordering consultants to 99202-99215 instead, UnitedHealthcare's policy 2025R0129A denying the consult family, and modifier AI restricted to the principal physician of record, from ClaimMax RCM.

CPT 99253 reports an inpatient or observation consultation for a new or established patient. The service needs a medically appropriate history and/or examination. You pick the level using low medical decision making, or using at least 45 minutes of total time on the date of the encounter. A valid code doesn’t mean your payer reimburses […]