GNHCPCS Level II
Services delivered under an outpatient speech language pathology plan of care
- Usage notes
- Append to a service delivered under an outpatient speech-language pathology plan of care.
- Common mistakes
- Using GN for a service actually delivered under a physical or occupational therapy plan of care — each therapy discipline has its own modifier (GN, GO, GP).
Related modifiers
G0Telehealth services for diagnosis, evaluation, or treatment, of symptoms of anG1Most recent urr reading of less than 60G2Most recent urr reading of 60 to 64.9G3Most recent urr reading of 65 to 69.9G4Most recent urr reading of 70 to 74.9G5Most recent urr reading of 75 or greaterG6Esrd patient for whom less than six dialysis sessions have been provided in aG7Pregnancy resulted from rape or incest or pregnancy certified by physician as
Frequently asked questions
What does modifier GN mean?
Services delivered under an outpatient speech language pathology plan of care
When do I use modifier GN?
Append to a service delivered under an outpatient speech-language pathology plan of care.
What's a common mistake with modifier GN?
Using GN for a service actually delivered under a physical or occupational therapy plan of care — each therapy discipline has its own modifier (GN, GO, GP).
HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions are not included on this site. Always verify codes with authoritative sources before making billing decisions.