According to up to date antipsychotics are not first line. Also lamotrigine is an anticonvulsant and not an antipsychotic UpToDate
lithum (preferred), valproic acid, lamotrigine, and quetiapine are all considered first line according to amboss (https://next.amboss.com/us/article/4P03UT?q=bipolar%20disorder#Yfacffcb87c3a8bb6c549337d1dc3be24); also notes 1519867803947 and 1541632890504 agree with this change
that update to article also agrees with those 4
changing to reflect