Behavioral Health Billing

The HO modifier in medical billing is a HCPCS Level II modifier that generally identifies a service delivered by a provider with a master’s degree-level qualification. It appears most often in behavioral health and Medicaid billing, where a payer may need the claim to show the rendering professional’s education level. HO is not a universal requirement, and it should never be added merely because a clinician works in mental health. Correct use depends on the provider’s documen