96523
Irrigation of Implanted Venous Access Device
Code Description
CPT code 96523 is used to report the irrigation or flushing of an implanted venous access device used for drug delivery. The service helps maintain catheter patency and reduce the risk of occlusion when the device is not otherwise being used during the patient encounter. Medicare generally allows this code to be reported only when no other service is performed during the same encounter.
When to Use 96523
Common examples include:
Routine port flush
Maintenance of an implanted venous access device
Catheter irrigation to maintain patency
Follow-up vascular access maintenance
Implanted port care
Drug delivery system maintenance
Documentation Requirements
Documentation should include:
Reason for the irrigation
Type of implanted venous access device
Irrigation solution used
Confirmation that the device was successfully flushed
Patient response
Medical necessity for the service
Common Billing Mistakes
Common billing mistakes include:
Reporting 96523 with another payable service during the same encounter
Billing routine catheter maintenance incorrectly
Failing to document the implanted device
Insufficient documentation of medical necessity
Confusing catheter irrigation with blood specimen collection codes
Related CPT Codes
96365
IV Infusion, Initial
96372
Therapeutic Injection
90471
Immunization Administration
FAQ
What does CPT code 96523 cover?
CPT code 96523 reports irrigation or flushing of an implanted venous access device used for drug delivery.
Can CPT 96523 be billed with other services?
Under Medicare policy, CPT 96523 generally may be reported only when no other service is provided during the same patient encounter.
Is CPT 96523 used for routine port maintenance?
Yes. The code is commonly used for routine maintenance flushing of implanted venous access devices when appropriate documentation supports the service.
Is CPT 96523 a Medicine code?
Yes. CPT 96523 belongs to the Medicine section under therapeutic, prophylactic, and diagnostic services.






Procedure Type
Vascular Access Maintenance
Catheter Irrigation
Service
Implanted Venous Access Device
Catheter Irrigation


