If an AMDS practitioner claims a standard telehealth 91800, how would they know if the patient has had a face to face visit to their regular GP in the last 12 months?

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I asked the below questions to AskMBS, and the answer I received leaves me with more questions. Can you explain any further?  If an AMDS practitioner claiming standard TH, 91800 item number – how would they know if the patient has had a face to face visit to their regular doctor in the last 12 months?

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