Code 90853 is used for standard group therapy sessions where a therapist treats multiple unrelated clients at once, focusing on shared therapeutic goals — for example, treating a group of clients who want to improve their depression symptoms.
In contrast, 90849 is used for multi-family group therapy, where more than one family participates together to work through systemic issues, often in settings like family-based treatment or substance use programs.
CPT code 90853 definition and description
CPT code 90853 is used for group psychotherapy, which is when a therapist facilitates therapy with several clients who share an experience, symptom, or diagnosis. Group psychotherapy typically includes at least three clients and one psychotherapist. For example, 90853 may represent a therapy session with a group of young adults who want to improve their depression symptoms.
CPT code 90849 definition and description
Additionally, CPT code 90849 is used for multiple family group psychotherapy, which is a blend of group therapy and family therapy. For example, 90849 may represent a therapy group with families of someone who has a substance use disorder. However, it’s uncommon and is typically only used in higher levels of care.