Who is affected by this change?

This affects New Jersey Medicaid Emergency Medicine providers in NJ on Traditional Medicare plans.

When does this change take effect?

This change is effective Apr 1, 2024.

Which billing codes are affected?

The following codes are affected: A0428, A0425, A0426, A0888, A0434, A0435.

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Traditional MedicareBilling CodesMedium impact

Newsletter Vol. 5, No. 27

New Jersey Medicaid·NJ · Emergency Medicine·Coding

Effective date

Apr 1, 2024

We identified it

Jun 20, 2026

Days to comply

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Summary

HCPCS ambulance service codes A0428, A0425, and A0426 have been revised with new descriptions and fee allowances effective April 1st. Using the revised codes for dates of service before April 1st will result in claim denials.

Action Required

Action needed

Before April 1st: Billing team must update ambulance service coding to use revised HCPCS codes A0428, A0425, and A0426 for dates of service on/after April 1st. Continue using previous versions for dates of service before April 1st. Update billing system with new code descriptions and maximum fee allowances. Claims using revised codes for pre-April 1st services will be denied.

Affected Billing Codes

A0428

A0425

A0426

A0888

A0434

A0435

Related policy hubs

New Jersey Medicaid policies NJ policy changes Emergency Medicine Code A0428 Code A0425 Code A0426 Code A0888 Code A0434 Code A0435