HCPCS Modifiers

Browse HCPCS modifiers used with Level II billing codes for procedures, supplies, and specialized billing services.

HCPCS Modifiers by Number

91

Repeat Clinical Diagnostic Laboratory Test

A repeat laboratory test performed on the same day to obtain multiple test results.

A

AU

Urological, Ostomy, or Tracheostomy Supply

Identifies items used with urological, ostomy, or tracheostomy supplies

HCPCS Modifiers by Letter

E1

Upper Left Eyelid

Identifies procedures performed on the patient's upper left eyelid to accurately report the anatomical location.

E

E2

Identifies procedures performed on the patient's lower left eyelid for accurate anatomical billing and claim processing

Lower Left Eyelid

E3

Identifies procedures performed on the patient's upper right eyelid for accurate anatomical billing and documentation

Upper Right Eyelid

E4

Lower Right Eyelid

Identifies procedures performed on the lower right eyelid for accurate billing.

L

LT

Left Side

Used to identify a procedure performed on the left side of the body

R

RT

Right Side

Used to identify a procedure performed on the right side of the body

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