List of approved ICD-10 codes for Mental Health Providers - Washington State Medicaid

by  Christine Woolstenhulme, QCC, QMCS, CPC, CMRS
February 15th, 2016

The agency covers the below outpatient services to treat conditions that fall within the ICD diagnosis code range for mental health. For billing purposes, providers are required to use the most specific code available.
The agency also covers preventative mental health care, if the most specific code is used.
See the agency’s Program Policy Approved Diagnosis Codes for Mental Health Services.
When performing both psychotherapy services and Evaluation & Management (E&M) services during the same visit, use the appropriate E&M code and the appropriate psychiatric add - on CPT ® code (e.g., CPT®code +90833)


List of approved ICD-10 codes for Mental Health Providers - Washington State Medicaid. (2016, February 15). Find-A-Code Articles. Retrieved from

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