CPT 42550
Injection for salivary x-ray
Last reviewed August 2026 · DataLily AI data team
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CPT 42550 at a glance
- Code
- 42550
- Code type
- CPT/HCPCS
- Short descriptor
- Injection for salivary x-ray
- 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 42550?
CPT 42550 is a CPT/HCPCS procedure code for injection for salivary x-ray. Its official short descriptor is "Injection for salivary x-ray". In the ASC context it is grouped under ASC Surgical.
Is CPT 42550 eligible in an ambulatory surgery center (ASC)?
CPT 42550 can be performed in a certified ambulatory surgery center.
Where is CPT 42550 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 42550?
CPT 42550 is most associated with General Surgery.
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.