Eli's Rehab Report

Providing Outpatient Therapy? Use These Specialty-Specific Modifiers

The CMS Physical, Occupational & Speech Therapy Billing Guide states (page 68) that those who furnish outpatient therapy must add specialty-specific modifiers too. These are:

GN — Services delivered under an outpatient SLP plan of care.

GO — Services delivered under an outpatient OT plan of care.         

GP — Services delivered under an outpatient PT plan of care.

Big picture: There are 42 functional G-codes, comprising 14 sets of three codes each. Generally, six of the G-code sets are used for PT and OT functional limitations and eight of the G-code sets are for SLP functional limitations.