CPT 51798
Ultrasound urine capacity measure
Last reviewed August 2026 · DataLily AI data team
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CPT 51798 at a glance
- Code
- 51798
- Code type
- CPT/HCPCS
- Short descriptor
- Us urine capacity measure
- 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 51798?
CPT 51798 is a CPT/HCPCS procedure code for ultrasound urine capacity measure. Its official short descriptor is "Us urine capacity measure". In the ASC context it is grouped under ASC Surgical.
Is CPT 51798 eligible in an ambulatory surgery center (ASC)?
CPT 51798 can be performed in a certified ambulatory surgery center.
Where is CPT 51798 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 51798?
CPT 51798 is most associated with Urology.
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.