How should coders determine whether multiple continuous inhalation therapy treatments meet the time requirements for codes 94644 and +94645?
When billing for multiple (back-to-back) continuous inhalation therapy treatments, refer to codes 94644 and +94645 when the total time recorded for the therapy meets the time increment of 1 hour or more, as defined by the codes.
CPT® copyright 2025 American Medical Association (AMA). All rights reserved.
Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
CPT is a registered trademark of the American Medical Association.
Celebrate Lab Week with MedLearn! Sign up to win one year of our Laboratory All Access Pass! Click here to learn more →
Unlock 50% off all 2024 edition books when you order by July 5! Use the coupon code CO5024 at checkout to claim this offer!
This Memorial Day, we honor those who gave all for our freedom. Take 20% off sitewide through May 29 with code MEMORIAL26 at checkout
CYBER WEEK IS HERE! Don’t miss your chance to get 20% off now until Dec. 1 with code CYBER25
CYBER WEEK IS HERE! Don’t miss your chance to get 20% off now until Dec. 2 with code CYBER24
