C7515 HCPCS code: Dialysis circuit, introduction of needle(s) and/or catheter(s), with diagnostic angiography of the dialysis circuit, including all direct puncture(s) and catheter placement(s), injection(s) of contrast, all necessary imaging from the arterial anastomosis and adjacent artery through entire venous outflow including the inferior or superior vena cava, fluoroscopic guidance, with dialysis circuit permanent endovascular embolization or occlusion of main circuit or any accessory veins, including all required imaging, radiological supervision and interpretation, image documentation and report
C7515 is the HCPCS Level II code for dialysis circuit, introduction of needle(s) and/or catheter(s), with diagnostic angiography of the dialysis circuit, including all direct puncture(s) and catheter placement(s), injection(s) of contrast, all necessary imaging from the arterial anastomosis and adjacent artery through entire venous outflow including the inferior or superior vena cava, fluoroscopic guidance, with dialysis circuit permanent endovascular embolization or occlusion of main circuit or any accessory veins, including all required imaging, radiological supervision and interpretation, image documentation and report. In 2024 Medicare paid an average of $734.75 per service for C7515 across 561 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 1 per day on outpatient hospital claims. Medicare volume rose 49% from 2023 to 2024 (376 to 561 services). In 2024, about 67 clinicians billed Medicare for C7515 for 475 beneficiaries; Florida, Texas, California accounted for 51% of services.
Code details
| Field | Value |
|---|---|
| Section | C codes — Outpatient PPS (hospital outpatient temporary codes) |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 11 — Priced using national relative value units (Physician Fee Schedule) |
| BETOS category | P6C |
| Added | 2023-01-01 |
| Last action effective | 2023-01-01 |
Who bills C7515 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 67 |
| Medicare beneficiaries | 475 |
| States with claims | 15 |
| Share of services in top 3 states (Florida, Texas, California) | 51% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for C7515, 2023–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2023 | 376 | 341 | $1,130.01 | $899.18 |
| 2024 | 561 | 475 | $922.89 | $734.75 |
States with the most C7515 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 106 | $635.18 |
| Texas | 96 | $771.97 |
| California | 47 | $798.70 |
| Illinois | 41 | $725.25 |
| New York | 28 | $810.02 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 1 | Code Descriptor / CPT Instruction |
| practitioner claims | 1 | Code Descriptor / CPT Instruction |
What changed for C7515
- 2023-01-01: C7515 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code C7515?
C7515 is the HCPCS Level II code for dialysis circuit, introduction of needle(s) and/or catheter(s), with diagnostic angiography of the dialysis circuit, including all direct puncture(s) and catheter placement(s), injection(s) of contrast, all necessary imaging from the arterial anastomosis and adjacent artery through entire venous outflow including the inferior or superior vena cava, fluoroscopic guidance, with dialysis circuit permanent endovascular embolization or occlusion of main circuit or any accessory veins, including all required imaging, radiological supervision and interpretation, image documentation and report. Short descriptor: "Cath/angio dial cir w/embol".
How much does Medicare pay for C7515?
In 2024, the average Medicare payment was $734.75 per service (average allowed $922.89).
Does Medicare cover C7515?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of C7515 can be billed per day?
1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).
Related C75 codes
- C7500 — Debridement, bone including epidermis, dermis, subcutaneous tissue, muscle and/or fascia, if performed, first 20 sq cm or less with manual preparation and insertion of deep (e.g., subfacial) drug-delivery device(s)
- C7501 — Percutaneous breast biopsies using stereotactic guidance, with placement of breast localization device(s) (e.g., clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, all lesions unilateral and bilateral (for single lesion biopsy, use appropriate code)
- C7502 — Percutaneous breast biopsies using magnetic resonance guidance, with placement of breast localization device(s) (e.g., clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, all lesions unilateral or bilateral (for single lesion biopsy, use appropriate code)
- C7503 — Open biopsy or excision of deep cervical node(s) with intraoperative identification (e.g., mapping) of sentinel lymph node(s) including injection of non-radioactive dye when performed
- C7504 — Percutaneous vertebroplasties (bone biopsies included when performed), first cervicothoracic and any additional cervicothoracic or lumbosacral vertebral bodies, unilateral or bilateral injection, inclusive of all imaging guidance
- C7505 — Percutaneous vertebroplasties (bone biopsies included when performed), first lumbosacral and any additional cervicothoracic or lumbosacral vertebral bodies, unilateral or bilateral injection, inclusive of all imaging guidance
- C7506 — Arthrodesis, interphalangeal joints, with or without internal fixation
- C7507 — Percutaneous vertebral augmentations, first thoracic and any additional thoracic or lumbar vertebral bodies, including cavity creations (fracture reductions and bone biopsies included when performed) using mechanical device (e.g., kyphoplasty), unilateral or bilateral cannulations, inclusive of all imaging guidance
- C7508 — Percutaneous vertebral augmentations, first lumbar and any additional thoracic or lumbar vertebral bodies, including cavity creations (fracture reductions and bone biopsies included when performed) using mechanical device (e.g., kyphoplasty), unilateral or bilateral cannulations, inclusive of all imaging guidance
- C7509 — Bronchoscopy, rigid or flexible, diagnostic with cell washing(s) when performed, with computer-assisted image-guided navigation, including fluoroscopic guidance when performed
- C7510 — Bronchoscopy, rigid or flexible, with bronchial alveolar lavage(s), with computer-assisted image-guided navigation, including fluoroscopic guidance when performed
- C7511 — Bronchoscopy, rigid or flexible, with single or multiple bronchial or endobronchial biopsy(ies), single or multiple sites, with computer-assisted image-guided navigation, including fluoroscopic guidance when performed
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Next steps
- Run a reimbursement report for a device billed under C7515
- Watch C7515 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for C7515
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.