HCPCS Level II · Outpatient PPS (temporary codes)
C9797Vascular embolization or occlusion procedure with use of a pressure-generating catheter (e.g., one-way valve or occlusion balloon, intermittently or temporarily occluding), inclusive of all radiological supervision and interpretation, intraprocedural roadmapping, and imaging guidance necessary to complete the intervention; for tumors, organ ischemia, or infarction
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About C9797
C9797 is an HCPCS Level II code in the C series (outpatient PPS (temporary codes)), describing vascular embolization or occlusion procedure with use of a pressure-generating catheter (e.g., one-way valve or occlusion balloon, intermittently or temporarily occluding), inclusive of all radiological supervision and interpretation, intraprocedural roadmapping, and imaging guidance necessary to complete the intervention; for tumors, organ ischemia, or infarction.
It was added to HCPCS effective 01/01/2024, and its current record took effect 10/01/2026.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
The October 2026 quarterly update changed this code's record.
Details
- Short description
- Vasc emb/occ w/prs cath
- Date added
- 01/01/2024
- Action effective
- 10/01/2026
- BETOS
- P1G
Related C97xx codes
- C9725Placement of endorectal intracavitary applicator for high intensity brachytherapy
- C9726Placement and removal (if performed) of applicator into breast for intraoperative radiation therapy, add-on to primary breast procedure
- C9727Insertion of implants into the soft palate; minimum of three implants
- C9728Placement of interstitial device(s) for radiation therapy/surgery guidance (e.g., fiducial markers, dosimeter), for other than the following sites (any approach): abdomen, pelvis, prostate, retroperitoneum, thorax, single or multiple
- C9733Non-ophthalmic fluorescent vascular angiography
- C9734Focused ultrasound ablation/therapeutic intervention, other than uterine leiomyomata, with magnetic resonance (mr) guidance
- C9738Adjunctive blue light cystoscopy with fluorescent imaging agent (list separately in addition to code for primary procedure)
- C9739Cystourethroscopy, with insertion of transprostatic implant; 1 to 3 implants
- C9740Cystourethroscopy, with insertion of transprostatic implant; 4 or more implants
- C9756Intraoperative near-infrared fluorescence lymphatic mapping of lymph node(s) (sentinel or tumor draining) with administration of indocyanine green (icg) (list separately in addition to code for primary procedure)
- C9757Laminotomy (hemilaminectomy), with decompression of nerve root(s), including partial facetectomy, foraminotomy and excision of herniated intervertebral disc, and repair of annular defect with implantation of bone anchored annular closure device, including annular defect measurement, alignment and sizing assessment, and image guidance; 1 interspace, lumbar
- C9758Blinded procedure for nyha class iii/iv heart failure; transcatheter implantation of interatrial shunt or placebo control, including right heart catheterization, trans-esophageal echocardiography (tee)/intracardiac echocardiography (ice), and all imaging with or without guidance (e.g., ultrasound, fluoroscopy), performed in an approved investigational device exemption (ide) study
Common questions about C9797
Is HCPCS C9797 still valid?
- Yes. C9797 is active in the CMS October 2026 HCPCS file.
Does Medicare cover C9797?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.