Key facts for C1735
- Medicare payment
- none in these files
- no PFS, DMEPOS, CLFS, OPPS or ASC amount; pricing indicator 53
- Coverage code
- D
- special coverage instructions apply
- Practitioner MUE
- 1
- MAI 3
- NCCI PTP pairs
- 0
- practitioner file
- LCDs and articles
- 0 / 0
TL;DR
CMS describes HCPCS C1735, added in 2025, as "Catheter(s), intravascular for renal denervation, radiofrequency, including all single use system components". None of the October 2026 PFS, DMEPOS, CLFS, OPPS or ASC files lists a national amount for C1735; its HCPCS pricing indicator is 53 (statute). CMS caps C1735 at practitioner 1 (MAI 3, Nature of Equipment); hospital outpatient 1 (MAI 3, Nature of Equipment) units per day in the 2026 Q4 MUE tables. C1735 appears in no active LCD or billing and coding article, so coverage follows HCPCS coverage code D (special coverage instructions apply) and any NCD. OPPS status indicator H: Pass-through device categories. HCPCS record: BETOS D1A (medical/surgical supplies); pricing indicator 53; type of service 2 (surgery). 34 other active codes open with "Catheter"; related codes: C1736, C1729, C1751, C1761.
C1735 descriptor and code status
The October 2026 HCPCS Level II file describes C1735 as “Catheter(s), intravascular for renal denervation, radiofrequency, including all single use system components”. It sits in the C section (hospital outpatient prospective payment system, temporary codes), listed with the other C codes.
| Field | Value |
|---|---|
| Short descriptor | Cath renal denerv radiofreq |
| Added to HCPCS | 2025-01-01 |
| Last action | N (no maintenance), effective 2025-01-01 |
| Coverage code | D: special coverage instructions apply |
| Pricing indicator | 53: statute |
| BETOS category | D1A: medical/surgical supplies |
| Type of service | 2: surgery |
| Statute | 1833(t) |
Medicare payment for C1735
None of the October 2026 PFS, DMEPOS, CLFS, OPPS or ASC files lists a national amount for C1735; its HCPCS pricing indicator is 53 (statute). The amounts below are national figures from the October 2026 CMS files; the contractor applies the locality, rural or state adjustment and the beneficiary's cost sharing.
Hospital outpatient (OPPS Addendum B)
Status indicator H (Pass-through device categories), APC 2051 (Cath renal denerv radiofreq), with no separate OPPS payment rate.
Ambulatory surgical center (Addendum BB)
Payment indicator J7 (OPPS pass-through device paid separately when provided integral to a surgical procedure on ASC list; payment contractor-priced).
Medically Unlikely Edits for C1735
CMS caps C1735 at practitioner 1 (MAI 3, Nature of Equipment); hospital outpatient 1 (MAI 3, Nature of Equipment) units per day in the 2026 Q4 MUE tables. The practitioner MUE is a date-of-service clinical edit: units above the limit deny but can be paid on appeal with documentation.
| Setting | MUE (units/DOS) | MAI | CMS rationale |
|---|---|---|---|
| Practitioner services | 1 | 3 Date of Service Edit: Clinical | Nature of Equipment |
| Facility outpatient hospital | 1 | 3 Date of Service Edit: Clinical | Nature of Equipment |
The MUE lookup for C1735 shows every setting next to any other code on the same claim.
NCCI edits and add-on rules
No active practitioner PTP pair lists C1735 in v323r0.
C1735 is neither an add-on code nor a designated primary code in the 2026 Q4 NCCI add-on edit file.
Pair counts show exposure, not the answer for one claim. Check C1735 against a second code to see whether the pair bundles and whether a modifier can separate the services.
Medicare coverage policies for C1735
No current LCD or billing and coding article lists C1735. The HCPCS coverage code D means special coverage instructions apply, and any National Coverage Determination for the service still applies.
Denials to expect on C1735
the modifier reported is inconsistent with the code
the claim lacks information needed to adjudicate the line, such as an order, NPI or required modifier
Where QuickIntell fits for C1735 claims
QuickCode supports qualified coder review of units, modifiers and NCCI pairs for C1735 before the claim leaves, and QuickRCM carries claim readiness and the denial follow-up when an edit or coverage policy is missed.
Frequently asked questions: HCPCS C1735
What does HCPCS code C1735 describe?
"Catheter(s), intravascular for renal denervation, radiofrequency, including all single use system components" (short descriptor "Cath renal denerv radiofreq"), in the C section (hospital outpatient prospective payment system, temporary codes). Added 2025-01-01.
Is C1735 a CPT code?
It is not. C1735 belongs to the C section (hospital outpatient prospective payment system, temporary codes) of HCPCS Level II, the CMS code set, not to AMA CPT.
What does Medicare pay for C1735?
None of the October 2026 PFS, DMEPOS, CLFS, OPPS or ASC files lists a national amount for C1735; its HCPCS pricing indicator is 53 (statute).
How many units of C1735 can be billed per day?
CMS caps C1735 at practitioner 1 (MAI 3, Nature of Equipment); hospital outpatient 1 (MAI 3, Nature of Equipment) units per day in the 2026 Q4 MUE tables. For the practitioner MUE (MAI 3), units above 1 deny for the day but can be paid on appeal with documentation; denials arrive as CARC 151.
Does Medicare cover C1735?
C1735 appears in no active LCD or billing and coding article, so coverage follows HCPCS coverage code D (special coverage instructions apply) and any NCD.
Sources
Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.
- HCPCS Level II alpha-numeric file, October 2026Version October 2026 · effective 2026-10-01 · file HCPC2026_OCT_ANWEB_09232026.txtSHA-256 c25240c63108756d…
- OPPS Addendum B, October 2026Version October 2026 · effective 2026-10-01 · file 508-compliant-version-2026_October_Web_Addendum_B.09.28.26.csvSHA-256 6ad7393a318bf1b9…
- Integrated Outpatient Code Editor v27.3 data tables: status and payment indicatorsVersion I/OCE v27.3 (October 2026) · effective 2026-10-01 · file Data_Status_Indicator.txtSHA-256 78f119ef0a435351…
- ASC Addendum BB (covered ancillary services), October 2026Version October 2026 · effective 2026-10-01 · file Oct 2026 ASC BB.txtSHA-256 63cdd7c72aba7a25…
- NCCI MUE table, practitioner services, effective 2026-10-01Version 2026 Q4 · effective 2026-10-01 · file MCR_MUE_PractitionerServices_Eff_10-01-2026.csvSHA-256 ef038efaf902b7bd…
- NCCI MUE table, facility services, effective 2026-10-01Version 2026 Q4 · effective 2026-10-01 · file MCR_MUE_OutpatientHospitalServices_Eff_10-01-2026.csvSHA-256 3af9f4e99cc587e2…
- NCCI MUE table, dme services, effective 2026-10-01Version 2026 Q4 · effective 2026-10-01 · file MCR_MUE_DMESupplierServices_Eff_10-01-2026.csvSHA-256 6fa4fbba852f7b74…
- NCCI PTP edits, practitioner, v323r0 (four files)Version v323r0 (2026 Q4) · effective 2026-10-01 · file ccipra-v323r0-f1.TXTSHA-256 7793c0b6686c1e22…
Disclaimer
This page is an operational reference compiled from CMS publications: the HCPCS Level II file, the physician, DMEPOS and clinical laboratory fee schedules, OPPS and ASC addenda, NCCI MUE, PTP and add-on edit tables and the Medicare Coverage Database. Amounts are Medicare national figures before locality and state adjustment; Medicaid and commercial payers set their own. CPT codes are shown as numbers only; CPT descriptors are copyright AMA. Nothing here is legal, clinical or billing advice.
Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.