Modifier E4- Lower Right Eyelid

Modifier E4 is used to identify procedures performed on the patient’s lower right eyelid.

What is Modifier E4?

Modifier E4 tells insurance payers that a procedure or service was performed on the lower right eyelid. It provides precise anatomical information and helps distinguish the service from procedures performed on the other eyelids. CMS recognizes E1 through E4 as modifiers used to identify different eyelids

When to Use Modifier E4

• A procedure is performed on the lower right eyelid.

• The exact eyelid location must be reported.

• Documentation supports the lower right eyelid as the treatment site.

• The payer requires an HCPCS anatomical modifier.

Billing Example

A physician removes a lesion from the patient’s lower right eyelid. Modifier E4 may be appended to the procedure code to identify the specific eyelid treated.

Documentation Tips

• Document the lower right eyelid as the treatment site.

• Include procedure notes describing the anatomical location.

• Confirm that Modifier E4 matches the medical record.

• Follow payer-specific billing requirements.

Common Denial Reasons

• The eyelid location is not documented.

• The wrong eyelid modifier is reported.

• Modifier E4 does not match the provider’s notes.

• The modifier is not appropriate for the billed procedure.

Related Modifiers

Modifier E3

Modifier E1

Modifier E2

Home > All Modifiers > HCPCS Modifiers > Modifier E4