99235 Observation or inpatient hospital care, for the evaluation and management of a patient including admission and discharge on the same date which requires these 3 key components: A comprehensive history; A comprehensive examination; and Medical decision making of moderate complexity.

What place of service is used for 99235?

The Current Procedural Terminology (CPT®) code 99235 as maintained by American Medical Association, is a medical procedural code under the range – Observation or Inpatient Care Services (Including Admission and Discharge Services).

What is the CPT code 99218?

CPT codes 99218-99220, initial observation care, describe physician visits during a patient’s stay in observation status. CPT codes 99234-99236, observation or inpatient care, are used when the patient is placed in observation status or admitted to inpatient status and then discharged on the same date.