(469) 722-5279Code Directory
Complete Reference Guide to Mental Health Codes
Feel confident every time you code mental health services with guidance from our resources, covering assessments, therapy, crisis care, family and group sessions, psychological testing, care coordination, and more, helping psychiatrists, psychologists, therapists, and behavioral health practices stay organized and confident in documenting all care provided.
ICD-10-CM
Diagnostic Classification for Mental Health Conditions
ICD-10-CM is the standard system in the United States for coding mental, behavioral, and neurodevelopmental disorders. The system groups these conditions in a dedicated chapter that includes mood disorders such as depression and bipolar disorder, anxiety conditions, trauma-related disorders like PTSD, psychotic disorders, substance use disorders, and neurodevelopmental issues. CMS adapted this framework from the World Health Organization standard to fit U.S. healthcare requirements. The specific categories allow providers to accurately record diagnoses. That accuracy helps establish clinical necessity, supports treatment decisions, enables correct reimbursement, and provides data for research and public health analysis.
CPT (Current Procedural Terminology)
Procedure Reporting for Behavioral Health Services
CPT, a numeric system updated annually by the AMA, is used to report behavioral health services. It covers initial diagnostic evaluations, individual psychotherapy in varying session lengths, crisis interventions with extended time, family psychotherapy with or without the patient, group sessions, complex case adjustments, combined evaluation and psychotherapy, psychological and neuropsychological testing, and collaborative care management. This approach lets clinicians specify the type and extent of care. Payers then process claims correctly, and providers stay fully compliant with documentation standards.
HCPCS Level II
Supplementary Identifiers for Specialized Behavioral Services
HCPCS Level II identifiers, managed by CMS, cover services and programs outside the main procedure system. These often involve non-physician providers or structured outpatient care. The identifiers apply to behavioral health services in primary care, psychiatric collaborative care, general care management, partial hospitalization programs, intensive outpatient programs, specific screenings, and reported to Medicare or Medicaid. Practices use this layer to bill accurately for coordinated care, monitoring, and intensive treatments under different payer guidelines.
Modifiers
Clarifiers for Service Context and Delivery
Two-character modifiers are added to procedure codes to provide extra details about the circumstances of the service. Typical applications mark telehealth through video or audio-only modes, note master’s-level clinicians, separate clinical evaluation from psychotherapy in one encounter, or indicate high complexity. Modifiers align claims with payer policies on remote care, combined services, and provider scope of practice. Proper use can reduce claim delays. Providers see higher approval rates on first submission.
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