Gday, For what it's worth, I got this response from the Thai Embassy Canberra regarding the health insurance requirements. New applicants only from their advice.
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A user shares information received from the Thai Embassy in Canberra regarding health insurance requirements for new visa applicants. Other commenters discuss their decision to obtain insurance regardless of official guidance to avoid issues upon arrival, and note the inconsistency in updates from various Thai consulates.
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Tod *********
Thanx for the update. We are seeing more and more thai consulates updating their website (but like all thingz thai some have not yet :/)
I'm getting the insurance anyway as I do not want any problems on arrival after a long flight. They told me the same thing in Sydney but ..... not sure they are so sure myself.