CDT D4355
Full mouth debridement
Last reviewed August 2026 · DataLily AI data team
Pilot Analysis
Get the complete CDT D4355 analysis
Tell us where to send it. Our team will prepare an analysis of CDT D4355 covering what payers reimburse across markets and where your rate may sit, and email it to you within 5-10 business days. Need it faster? Book a demo.
CDT D4355 at a glance
- Code
- D4355
- Code type
- CPT/HCPCS
- Short descriptor
- Full mouth debridement
- Category
- ASC Ancillary
- ASC eligibility
- ASC-eligible (ancillary)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is CDT code D4355?
CDT D4355 is a CPT/HCPCS procedure code for full mouth debridement. Its official short descriptor is "Full mouth debridement". In the ASC context it is grouped under ASC Ancillary.
Is CDT D4355 eligible in an ambulatory surgery center (ASC)?
CDT D4355 is an ancillary service that can be provided in the ASC setting when it supports a surgical procedure.
Where is CDT D4355 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Reference information about ASC eligibility and typical procedure setting. Codes, descriptors, and ASC-eligibility status change over time. This is a coding reference, not billing, coding, or legal advice. Always verify against current guidance and individual payer policy before scheduling or billing. CPT is a registered trademark of the American Medical Association. Read the DataLily AI data methodology.