ASC Ancillary · CPT/HCPCS
CPT 90940
Hemodialysis access study
CPT 90940 at a glance
- Code
- 90940
- Code type
- CPT/HCPCS
- Short descriptor
- Hemodialysis access study
- Category
- ASC Ancillary
- ASC eligibility
- ASC-eligible (ancillary)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is CPT code 90940?
CPT 90940 is a CPT/HCPCS procedure code. Its official short descriptor is "Hemodialysis access study". In the ASC context it is grouped under ASC Ancillary.
Is CPT 90940 eligible in an ambulatory surgery center (ASC)?
CPT 90940 is an ancillary service that can be provided in the ASC setting when it supports a surgical procedure.
Where is CPT 90940 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.