HCPCS E Modifiers codes

Modifiers	Modifier description
E1	Upper left, eyelid
E2	Lower left, eyelid
E3	Upper right, eyelid
E4	Lower right, eyelid
EA	Erythropoetic stimulating agent (esa) administered to treat anemia due to anti-cancer chemotherapy
EB	Erythropoetic stimulating agent (esa) administered to treat anemia due to anti-cancer radiotherapy
EC	Erythropoetic stimulating agent (esa) administered to treat anemia not due to anti-cancer radiotherapy or anti-cancer chemotherapy
ED	Hematocrit level has exceeded 39% (or hemoglobin level has exceeded 13.0 g/dl) for 3 or more consecutive billing cycles immediately prior to and including the current cycle
EE	Hematocrit level has not exceeded 39% (or hemoglobin level has not exceeded 13.0 g/dl) for 3 or more consecutive billing cycles immediately prior to and including the current cycle
EJ	Subsequent claims for a defined course of therapy, e.g., epo, sodium hyaluronate, infliximab
EM	Emergency reserve supply (for esrd benefit only)
EP	Service provided as part of medicaid early periodic screening diagnosis and treatment (epsdt) program
ER	Items and services furnished by a provider-based, off-campus emergency department
ET	Emergency services
EX	Expatriate beneficiary
EY	No physician or other licensed health care provider order for this item or service