CDT D0191
Assessment of a patient
Last reviewed August 2026 · DataLily AI data team
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CDT D0191 at a glance
- Code
- D0191
- Code type
- CPT/HCPCS
- Short descriptor
- Assessment of a patient
- 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 D0191?
CDT D0191 is a CPT/HCPCS procedure code for assessment of a patient. Its official short descriptor is "Assessment of a patient". In the ASC context it is grouped under ASC Ancillary.
Is CDT D0191 eligible in an ambulatory surgery center (ASC)?
CDT D0191 is an ancillary service that can be provided in the ASC setting when it supports a surgical procedure.
Where is CDT D0191 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.