99484

General Behavioral Health Integration (BHI) Care Management Services

CPT code 99484 represents care management services for patients with behavioral health conditions, requiring at least 20 minutes of clinical staff time per calendar month. These services are directed by a physician or other qualified health care professional (QHP) and are designed to provide a systematic, team-based approach to managing mental health or substance use conditions within a primary care or non-psychiatric specialty setting. Unlike the more structured Psychiatric Collaborative Care Model (CoCM), General Behavioral Health Integration (BHI) is a flexible model that allows practices to provide essential behavioral health support to patients who may not require the full intensive resources of a psychiatric consultant or a specialized behavioral health care manager. The service includes an initial assessment by the treating physician or QHP, the use of validated clinical rating scales (such as the PHQ-9 for depression or GAD-7 for anxiety), systematic follow-up, and the facilitation of treatment transitions. Clinical staff time is spent on activities such as monitoring the patient's status, coordinating care with other providers, and assisting with medication adherence or behavioral change interventions. This code bridges the gap between traditional primary care and specialized psychiatric services, ensuring that patients with mild-to-moderate behavioral health concerns receive longitudinal, proactive monitoring. The 20-minute threshold is cumulative over the calendar month and includes only the time spent on behavioral health-related care management activities that are not already captured by other billed services. Documentation must reflect the specific behavioral health conditions being managed and the interventions provided by the clinical team to support the patient's treatment goals.

Clinical Indications

  • Major Depressive Disorder (MDD)
  • Generalized Anxiety Disorder (GAD)
  • Substance Use Disorders (SUD)
  • Post-Traumatic Stress Disorder (PTSD)
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Bipolar Disorder management in a primary care setting
  • Adjustment disorders requiring monitoring
  • Chronic pain with significant behavioral health components
  • Eating disorders
  • Obsessive-Compulsive Disorder (OCD)

Procedure Steps

  1. Initial assessment and identification of the patient by the treating physician or QHP.
  2. Administration and interpretation of a validated clinical rating scale appropriate for the patient's condition.
  3. Development of a care plan or revision of an existing plan focused on the behavioral health diagnosis.
  4. Systematic follow-up and monitoring of the patient's clinical status and response to treatment.
  5. Coordination and facilitation of treatment, which may include pharmacotherapy management or referral to psychotherapy.
  6. Brief behavioral interventions (e.g., motivational interviewing, behavioral activation).
  7. Facilitation and tracking of referrals to specialized behavioral health providers if necessary.
  8. Documentation of at least 20 minutes of clinical staff time spent on these activities within a single calendar month.

Coding Guidelines

  • Report 99484 only once per calendar month.
  • A minimum of 20 minutes of clinical staff time must be documented to report this code.
  • Services must be directed by a physician or other qualified health care professional.
  • Do not report 99484 in the same calendar month as Psychiatric Collaborative Care Model codes (99492, 99493, 99494).
  • 99484 can be reported in conjunction with Chronic Care Management (CCM) services if the 20 minutes for BHI are distinct from the time spent on CCM.
  • The patient must have a behavioral health condition (mental health or substance use) that is being managed.
  • The treating physician or QHP must provide an initiating visit (e.g., an E/M visit or Annual Wellness Visit) prior to starting BHI services for new patients or those not seen within a year.
  • Validated rating scales must be used as part of the service but are not billed separately under 96127 when performed as part of the BHI service.

Associated ICD-10 Codes