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Electronic Billing Requirements

Last update
October 7, 2025

Effective August 1, 2025, all NY providers must file their bills for injured worker treatment electronically (e-billing).

Claims administrators are now required to accept providers’ e-bills and respond with electronic Explanations of Review/Explanations of Benefits.

Providers must also send bill data for every bill to the WCB in the mandatory XML file form, through one of eight WCB-approved XML Submission Partners (which includes daisyBill).

e-Billing for MMI/Permanent Impairment

For e-billing, providers must submit the CMS-1500, not Form C-4.3, as the billing form when rendering a decision on MMI and/or permanent impairment. However, providers must submit Form C-4.3 as the required narrative report accompanying the CMS-1500 bill. Do not submit Form C-4.3 separately from the CMS-1500.

NY Form Replaced by CMS-1500, But Still in Use for Narrative Reporting

Forms C-4.3: Doctor's Report of MMI / Permanent Impairment

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