- 99144---age 5 years or older, first 30 minutes intra-service time
- +99145---each additional 15 minutes intra-service time (list separately in addition to code for primary service)
- 99148--Moderate sedation services (other than those services described by codes 00100-01999), provided by a physician other than the healthcare professional performing the diagnostic or therapeutic service that the sedation supports; under 5 years of age, first 30 minutes of intra-service time
- 99149---age 5 years or older, first 30 minutes intra-service time
- +99150---each additional 15 minutes intra-service time (list separately in addition to code for primary service)