E1

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes and a procedure or service to the upper left eyelid. Use of this modifier does not affect reimbursement, but if not used may delay payment.

E2

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes and identifies a procedure or service to the lower left eyelid. Use of this modifier does not affect reimbursement, but if not used may delay payment.

E3

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes and identifies a procedure or service to the upper right eyelid. Use of this modifier does not affect reimbursement, but if not used may delay payment.

E4

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes and identifies a procedure or service to the lower right eyelid. Use of this modifier does not affect reimbursement, but if not used may delay payment.