Ontario code lookup
Claim rejection codeEF4

Provider is not approved to bill ICHSC fee on date specified

Eligibility · Health Number error codes

What this reference tells you

EF4 is an Error Report rejection condition. It helps identify why a claim failed initial processing so the underlying data or documentation can be reviewed.

Before using this code

Confirm the current Ministry publication, the patient and provider context, the date of service, and documentation supporting the claim. A searchable reference does not establish eligibility or guarantee payment.

Need more than a lookup?

Take the code from reference to reviewed claim.

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