• Accurately assign ICD-10-CM, CPT, and HCPCS codes for Behavioral Health and SUD services across inpatient and outpatient settings. • Review clinical documentation to ensure coding accuracy, completeness, and compliance with federal and state regulations. • Apply coding guidelines specific to mental health and substance use treatment, including outpatient behavioral health and inpatient consult services. • Identify documentation gaps and work collaboratively with providers and clinical staff to improve coding quality and documentation standards. • Ensure coding supports medical necessity and payer requirements. • Stay current with coding updates, payer policies, and regulatory changes related to Behavioral Health and SUD services. • Assist with coding audits, respond to audit findings, and implement corrective actions as needed. • Maintain productivity and accuracy benchmarks as defined by the organization. • Support billing and revenue cycle teams by resolving coding-related denials or questions.