G0403 HCPCS code: Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report

G0403 is the HCPCS Level II code for electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report. In 2024 Medicare paid an average of $6.48 per service for G0403 across 113,424 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 6% from 2022 to 2024 (107,088 to 113,424 services). In 2024, about 28,336 clinicians billed Medicare for G0403 for 113,421 beneficiaries; Florida, North Carolina, Texas accounted for 23% of services.

Code details

FieldValue
SectionG codes — Procedures and professional services (temporary)
Coverage codeC — Carrier judgment
Pricing indicator11 — Priced using national relative value units (Physician Fee Schedule)
BETOS categoryT2C
Added2009-01-01
Last action effective2009-01-01

Who bills G0403 (2024)

MeasureValue
Clinicians billing (by place of service)28,336
Medicare beneficiaries113,421
States with claims52
Share of services in top 3 states (Florida, North Carolina, Texas)23%

Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.

Medicare utilization for G0403, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
2022107,088107,088$14.23$6.47
2023108,795108,794$14.20$6.69
2024113,424113,421$13.88$6.48

States with the most G0403 services (2024)

StateServicesAvg. paid
Florida10,745$6.81
North Carolina7,920$5.95
Texas7,536$6.00
New Jersey6,956$7.99
New York6,430$8.31

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims1Code Descriptor / CPT Instruction
practitioner claims1Code Descriptor / CPT Instruction

What changed for G0403

Frequently asked questions

What is HCPCS code G0403?

G0403 is the HCPCS Level II code for electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report. Short descriptor: "Ekg for initial prevent exam".

How much does Medicare pay for G0403?

In 2024, the average Medicare payment was $6.48 per service (average allowed $13.88).

Does Medicare cover G0403?

Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.

How many units of G0403 can be billed per day?

1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).

Related G04 codes

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Next steps

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.

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