Pacemaker CPT Codes 2026: The Complete Billing & Coding Guide

2026 Quick Guide: Pacemaker Coding

• Implantation: Codes 33206–33208 cover the generator AND leads. Do not bill leads separately.
• Replacement: Codes 33227–33229 include removal of the old generator. Never bill 33233 (removal) with them.
• Medical Necessity: Medicare NCD 20.8.3 requires documented, non-reversible symptomatic bradycardia. Use modifier KX.
• Global Period: Implants have a 90-day global period. Routine post-op care is included.

Pacemaker procedures encompass everything from surgical implantation to remote monitoring. Accurate coding requires a deep understanding of Current Procedural Terminology (CPT), Medicare’s National Coverage Determination (NCD) 20.8.3, and specific NCCI edits.

This comprehensive 2026 guide covers the essential codes, clinical indications, modifiers, and reimbursement rules you need to know.

flowchart TD
    A[Pacemaker Procedure] --> B{Procedure Type?}
    B --> C[Initial Implant]
    B --> D[Generator Replacement]
    B --> E[Lead Procedure]
    B --> F[Leadless Pacemaker]

    C --> C1{Chambers?}
    C1 --> C2[Atrial Only → 33206]
    C1 --> C3[Ventricular Only → 33207]
    C1 --> C4[Dual Chamber → 33208]

    D --> D1{Lead System?}
    D1 --> D2[Single Lead → 33227]
    D1 --> D3[Dual Lead → 33228]
    D1 --> D4[Multiple Lead → 33229]

    E --> E1[Upgrade Single→Dual → 33214]
    E --> E2[Lead Reposition → 33215]
    E --> E3[Lead Insertion → 33216/33217]
    E --> E4[Lead Extraction → 33234/33235]

    F --> F1[Insertion → 33274]
    F --> F2[Removal → 33275]

1. Pacemaker Implantation and Replacement CPT Codes

Codes for permanent pacemakers are categorized by two factors: Chambers Paced (Atrial, Ventricular, or Dual) and Procedure Type (Initial Implant vs. Generator Replacement).

A. Initial Pacemaker System Implantation

These codes describe the insertion of a new pulse generator and new transvenous leads. Do not bill lead insertion separately.

Note: Temporary transvenous pacemaker insertion (33210) is a separate procedure for emergent pacing (e.g., in the ER) and has a 0-day global period.

B. Pacemaker Generator Replacement (Battery Change)

When a battery is depleted, the generator is swapped. These comprehensive codes bundle the removal of the old generator.

• 33227: Generator replacement; Single lead system.
• 33228: Generator replacement; Dual lead system.
• 33229: Generator replacement; Multiple lead system (e.g., BiV/CRT).

Billing Alert: Never bill 33233 (Removal of generator) with 33227–33229. The removal is legally bundled into the replacement code. 33233 is only for removal without replacement.

C. System Upgrades and Lead Procedures

• 33214: Upgrade from single to dual chamber system. (Includes: Removal of old gen, insertion of new lead, insertion of new dual gen).
• 33215: Repositioning of a previously implanted lead (includes pocket opening/closing).
• 33216 / 33217: Insertion of 1 or 2 leads (without generator change).
• 33222: Pocket Revision (Relocation of skin pocket due to infection/erosion).
• 33234 / 33235: Extraction of transvenous electrodes (Single / Dual).

2. Leadless Pacemakers

Leadless pacemakers (e.g., Micra, Aveir) are self-contained units implanted directly into the right ventricle via the femoral vein.

• 33274: Insertion of leadless pacemaker, right ventricular.
• 33275: Removal of leadless pacemaker.
• 0795T–0803T: Temporary codes for Dual-Chamber leadless systems (check 2026 status for potential Category I conversion).

Coverage: Medicare NCD 20.8.4 restricts coverage to clinical trials or specific criteria (e.g., venous access issues, high infection risk).

3. Pacemaker Interrogation and Programming Codes

CPT differentiates between “Interrogation” (passive data review) and “Programming” (active parameter adjustment).

In-Person Evaluation

Remote Monitoring (90-Day Period)

These codes are billed once per 90-day surveillance period.

• 93294: Professional Component (Physician review & report).
• 93296: Technical Component (Data transmission & technical review).

4. Medical Necessity (NCD 20.8.3)

Medicare coverage is strictly governed by NCD 20.8.3. The core requirement is “documented, non-reversible symptomatic bradycardia”.

Covered Indications (Group I)

• Sick Sinus Syndrome (ICD-10 I49.5): Symptomatic sinus bradycardia, sinus pauses.
• Third-Degree AV Block (ICD-10 I44.2): Complete heart block (symptomatic OR escape rate < 40 bpm).
• High-Grade Second-Degree Block (ICD-10 I44.1): Mobitz Type II.
• Bifascicular Block (ICD-10 I45.2): With intermittent third-degree block or syncope not attributable to other causes.

Non-Covered Situations

• Reversible Causes: Bradycardia due to drug toxicity, electrolyte imbalance, or acute MI.
• Asymptomatic: First-degree AV block or sinus bradycardia without symptoms.
• Unexplained Syncope: Without documented bradyarrhythmia.

Dual-Chamber Documentation: If implanting a dual-chamber device (33208), your documentation must justify why a single-chamber device was insufficient (e.g., “Patient requires AV synchrony to prevent pacemaker syndrome”).

5. Modifiers and NCCI Edits

Correct modifier usage is the key to getting paid and avoiding audit flags.

• Modifier KX: Append to the procedure code (e.g., 33208-KX) to attest that the patient meets the specific medical necessity requirements of the NCD/LCD.
• Modifier 78: Use for unplanned return to the OR for a related procedure during the global period (e.g., lead dislodgement requiring repositioning 33215-78).
• Modifier 26 / TC: Use on evaluation codes (e.g., 93288-26) when the physician doesn’t own the equipment (hospital setting). Never use on surgical codes (332xx).
• Modifier 59 / X{EPSU}: Use only for distinct, separate procedures that are not normally bundled (check NCCI edits first).

Crucial NCCI Edits

• EP Studies: Basic EP recording (93600, 93610) is bundled into pacemaker insertion and cannot be billed separately.
• Imaging: Fluoroscopy (76000) and venography (75820) are included in the implantation codes.

6. Global Periods & Reimbursement

Global Period: Pacemaker implants (33206-33208) have a 90-day global period. This means all routine postoperative care (wound checks, suture removal) is included in the initial payment.

Reimbursement Nuances:

• Facility Setting (Hospital/ASC): The physician is paid only for the professional work.
• Non-Facility (Office): Higher reimbursement for codes like 93288 because it includes practice expense. However, surgical implants are generally NA for non-facility settings.

2025/2026 Work RVU Estimates:

• Dual Chamber Implant (33208): ~8.52 Work RVUs.
• Generator Change (33227): ~5.25 Work RVUs.
• Lead Extraction (33235): ~9.90 Work RVUs.

7. Real-World Coding Examples

Example 1: Initial Dual-Chamber Implant

Scenario: An 80-year-old patient presents with symptomatic complete heart block (I44.2) and syncope (R55). The physician implants a dual-chamber pacemaker system.

• Code: 33208-KX (KX modifier indicates NCD criteria met).
• Diagnosis: I44.2 (Primary), R55 (Secondary).
• Rationale: The KX modifier stops an automated denial by confirming the diagnosis aligns with NCD 20.8.3. Fluoroscopy is not billed.

Example 2: Elective Generator Replacement

Scenario: A 65-year-old with a single-lead ventricular pacer presents for elective battery change due to ERI (End of Replacement Interval). The old generator is removed, and a new one is connected to the existing lead.

• Code: 33227.
• Diagnosis: Z45.018 (Adjustment of cardiac pacemaker) and Z95.0 (Presence of pacemaker).
• Note: Do not bill 33233 (removal). It is bundled.

Example 3: Lead Repositioning in Global Period

Scenario: 2 weeks after a dual-chamber implant, the atrial lead dislodges. The patient is returned to the cath lab for repositioning.

• Code: 33215-78.
• Modifier 78: Indicates an unplanned return to the OR for a related procedure during the 90-day global period. This ensures payment for the intra-operative work without resetting the global clock.

8. Frequently Asked Questions

Q: Can I bill generator removal (33233) with replacement (33228)?

A: No. CPT codes 33227-33229 include the removal. Billing 33233 separately is unbundling.

Q: Is fluoroscopy billable with pacemaker insertion?

A: No. Radiological guidance (fluoroscopy) is bundled into the surgical CPT codes (33206-33249).

Q: Can I bill an interrogation (93288) on the same day as programming (93280)?

A: No. Programming codes include the interrogation. You bill only the higher-level service performed (Programming).