G0448 HCPCS code: Insertion or replacement of a permanent pacing cardioverter-defibrillator system with transvenous lead(s), single or dual chamber with insertion of pacing electrode, cardiac venous system, for left ventricular pacing
G0448 is the HCPCS Level II code for insertion or replacement of a permanent pacing cardioverter-defibrillator system with transvenous lead(s), single or dual chamber with insertion of pacing electrode, cardiac venous system, for left ventricular pacing. 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.
Code details
| Field | Value |
|---|---|
| Section | G codes — Procedures and professional services (temporary) |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 13 |
| BETOS category | Y1 |
| Added | 2012-01-01 |
| Last action effective | 2014-01-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 1 | Nature of Service/Procedure |
| practitioner claims | 1 | Nature of Service/Procedure |
Medicare policy articles for this code
- A56391: Billing and Coding: Implantable Automatic Defibrillators (WPS Insurance Corporation (MAC - Part A, MAC - Part B))
- A56391: Billing and Coding: Implantable Automatic Defibrillators (WPS Insurance Corporation (MAC - Part A, MAC - Part B))
Covered diagnoses (73 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| G90.01 | Carotid sinus syncope | 1 |
| I25.2 | Old myocardial infarction | 1 |
| I25.5 | Ischemic cardiomyopathy | 1 |
| I42.0 | Dilated cardiomyopathy | 1 |
| I42.00 | Dilated cardiomyopathy, unspecified | 1 |
| I42.01 | Familial-genetic dilated cardiomyopathy | 1 |
| I42.09 | Other dilated cardiomyopathy | 1 |
| I42.1 | Obstructive hypertrophic cardiomyopathy | 1 |
| I42.2 | Other hypertrophic cardiomyopathy | 1 |
| I42.6 | Alcoholic cardiomyopathy | 1 |
Showing 10 of 73. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for G0448
- 2012-01-01: G0448 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 G0448?
G0448 is the HCPCS Level II code for insertion or replacement of a permanent pacing cardioverter-defibrillator system with transvenous lead(s), single or dual chamber with insertion of pacing electrode, cardiac venous system, for left ventricular pacing. Short descriptor: "Place perm pacing cardiovert".
Does Medicare cover G0448?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for G0448?
Medicare policy articles that cite G0448 list 73 covered ICD-10-CM diagnosis codes across 2 articles. The most cited include G90.01 (Carotid sinus syncope), I25.2 (Old myocardial infarction), I25.5 (Ischemic cardiomyopathy). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
How many units of G0448 can be billed per day?
1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).
Related G04 codes
- G0400 — Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels
- G0402 — Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment
- G0403 — Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report
- G0404 — Electrocardiogram, routine ecg with 12 leads; tracing only, without interpretation and report, performed as a screening for the initial preventive physical examination
- G0405 — Electrocardiogram, routine ecg with 12 leads; interpretation and report only, performed as a screening for the initial preventive physical examination
- G0406 — Follow-up inpatient consultation, limited, physicians typically spend 15 minutes communicating with the patient via telehealth
- G0407 — Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth
- G0408 — Follow-up inpatient consultation, complex, physicians typically spend 35 minutes communicating with the patient via telehealth
- G0409 — Social work and psychological services, directly relating to and/or furthering the patient's rehabilitation goals, each 15 minutes, face-to-face; individual (services provided by a corf-qualified social worker or psychologist in a corf)
- G0410 — Group psychotherapy other than of a multiple-family group, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutes
- G0411 — Interactive group psychotherapy, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutes
- G0412 — Open treatment of iliac spine(s), tuberosity avulsion, or iliac wing fracture(s), unilateral or bilateral for pelvic bone fracture patterns which do not disrupt the pelvic ring includes internal fixation, when performed
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 G0448
- Watch G0448 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G0448
Sources: CMS HCPCS Level II release October 2026; 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.