C1833 HCPCS code: Monitor, cardiac, including intracardiac lead and all system components (implantable)
C1833 is the HCPCS Level II code for monitor, cardiac, including intracardiac lead and all system components (implantable). In 2024 Medicare paid an average of $6,708.00 per service for C1833 across 12 services. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 1 per day on outpatient hospital claims. Medicare volume fell 61% from 2022 to 2024 (31 to 12 services). In 2024, about 6 clinicians billed Medicare for C1833 for 12 beneficiaries.
Code details
| Field | Value |
|---|---|
| Section | C codes — Outpatient PPS (hospital outpatient temporary codes) |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 53 |
| BETOS category | D1A — Medical/surgical supplies |
| Added | 2022-01-01 |
| Last action effective | 2022-01-01 |
Who bills C1833 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 6 |
| Medicare beneficiaries | 12 |
| States with claims | 0 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for C1833, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 31 | 29 | $13,320.65 | $10,636.84 |
| 2023 | 14 | 13 | $13,945.88 | $11,111.35 |
| 2024 | 12 | 12 | $8,419.23 | $6,708.00 |
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 C1833
- 2022-01-01: C1833 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 C1833?
C1833 is the HCPCS Level II code for monitor, cardiac, including intracardiac lead and all system components (implantable). Short descriptor: "Cardiac monitor sys".
How much does Medicare pay for C1833?
In 2024, the average Medicare payment was $6,708.00 per service (average allowed $8,419.23).
Does Medicare cover C1833?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of C1833 can be billed per day?
1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).
Related C18 codes
- C1813 — Prosthesis, penile, inflatable
- C1814 — Retinal tamponade device, silicone oil
- C1815 — Prosthesis, urinary sphincter (implantable)
- C1816 — Receiver and/or transmitter, neurostimulator (implantable)
- C1817 — Septal defect implant system, intracardiac
- C1818 — Integrated keratoprosthesis
- C1819 — Surgical tissue localization and excision device (implantable)
- C1820 — Generator, neurostimulator (implantable), with rechargeable battery and charging system
- C1821 — Interspinous process distraction device (implantable)
- C1822 — Generator, neurostimulator (implantable), high frequency, with rechargeable battery and charging system
- C1823 — Generator, neurostimulator (implantable), non-rechargeable, with transvenous sensing and stimulation leads
- C1824 — Generator, cardiac contractility modulation (implantable)
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under C1833
- Watch C1833 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for C1833
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.