CPT 66990
Ophthalmic endoscope add-on
Last reviewed August 2026 · DataLily AI data team
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CPT 66990 at a glance
- Code
- 66990
- Code type
- CPT/HCPCS
- Short descriptor
- Ophthalmic endoscope add-on
- Category
- ASC Surgical
- ASC eligibility
- ASC-eligible (surgical)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is CPT code 66990?
CPT 66990 is a CPT/HCPCS procedure code for ophthalmic endoscope add-on. Its official short descriptor is "Ophthalmic endoscope add-on". In the ASC context it is grouped under ASC Surgical.
Is CPT 66990 eligible in an ambulatory surgery center (ASC)?
CPT 66990 can be performed in a certified ambulatory surgery center.
Where is CPT 66990 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 66990?
CPT 66990 is most associated with Ophthalmology.
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.