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Thread: Mental Health Service Codes

  1. #1
    Join Date
    Apr 2007

    Default Mental Health Service Codes

    AAPC: Back to School
    Hi, Can you help me out with the Codes 99304 - 99318 ? Are these codes properly applied to mental health mental assessment services? I believe that it is not properly codes for mental health services. A worker from my company asked me for a help to make sure these codes are applied to health mental services program for billing.

    Diana CPC-A

  2. #2


    It is my understanding that CPT 99304-99318 can be utilized for mental health patients in a nursing home setting as well as for E&M services provided to patients in a psychiatric residential treatment center.

  3. #3
    Join Date
    Apr 2007
    Missoula, MT


    My understanding is the codes 99304-99318 are for E/M services in a nursing home setting only. If you are looking for codes for psychiatry services and E/M together in a facility setting (inpatient) I would look toward 90817, 90819, 90822, etc.
    Hope this helps.

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