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Modifier E4

Anatomical / laterality (HCPCS Level II)

Modifier E4. Lower right eyelid.

Reference only — CPT descriptors are AMA-copyrighted (paraphrased). Payment percentages and acceptance vary by payer; verify against the current CPT/HCPCS files and payer policy.

Related modifiers

LT
Left side — identifies a procedure on the left of a paired structure.
RT
Right side — identifies a procedure on the right of a paired structure.
E1
Upper left eyelid.
E2
Lower left eyelid.
E3
Upper right eyelid.
FA
Left thumb.
F1
Left index finger.
F2
Left middle finger.

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