<prompt> Lithium levels normal therapeutic -0.5 to 0.7 mEqlit0.7 to 1.1 mEqlit0.1 to 0.3 mEqlit1.5 to 2mEqlit  <response>: Blood lithium levels -Therapeutic level - 0.8-1.2 mEqLFor tt of acute maniaProphylactic level - 0.5-0.8 mEqLFor relapse prevention in bipolar disorderToxic lithium levels 2.0 mEqL 