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Official Description

Moderate sedation services (other than those services described by codes 00100-01999), provided by a physician or other qualified health care professional other than the health care professional performing the diagnostic or therapeutic service that the sedation supports; each additional 15 minutes intra-service time (List separately in addition to code for primary service)

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

Moderate sedation services, as defined by CPT® Code 99150, refer to the administration of sedative agents to patients undergoing diagnostic or therapeutic procedures. These services are specifically provided by a physician or other qualified healthcare professional who is not the individual performing the primary procedure that necessitates sedation. The process begins with a thorough patient assessment to ensure safety and appropriateness for sedation. An intravenous (IV) line is then established, allowing for the administration of fluids and sedative medications as required. Throughout the procedure, the patient's vital signs, including oxygen saturation, heart rate, and blood pressure, are continuously monitored to ensure their safety and comfort. After the procedure is completed, the healthcare professional responsible for sedation continues to observe the patient until they have sufficiently recovered from the effects of the sedative, at which point the patient can be safely handed over to nursing staff for ongoing care. It is important to note that for patients younger than five years old, the initial 30 minutes of moderate sedation is coded using 99148, while for patients aged five years or older, the appropriate code is 99149. CPT® Code 99150 is utilized to bill for each additional 15 minutes of intra-service time for patients of any age, ensuring that the sedation services provided are accurately captured and reimbursed.

© Copyright 2026 Coding Ahead. All rights reserved.

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