Mayo Alliance Prognostic System (MAPS) ScoreLoading...SM typeIndolent SM/smoldering SM0Advanced SM+2Age, years≤ 600> 60+1Platelets≥ 150×10⁹/L0< 150×10⁹/L+1Serum ALPWithin normal range0Above normal range+1Adverse mutationsNo0Yes+1Indications for UseInsights & Cautions