0-19岁常用生化指标的变化（新生儿） No.of Analyte Age limit limit samples interval interval ALP(4-nitrophenyl 0 to 14 days 90 273 155 83-104 257-274 phosphate).U/L 15 days to <1 vear 134 518 147 108-153 466-570 1 to <10 years 156 369 391 145-170 362-391 10 to <13 years 141 460 154 114-171 424-476 13 to <15 years 62 280 68 56-68 254-301 15 to <17 years 54 128 24 50-58 122-133 17 to <19 years 48 9 40 ALT(without pyridoxal 0 to <1 years 5 33 348 5-7 31-38 phosphate),U/L 1 to <13 years 9 25 542 9-10 24-26 13 to <19 years 22 180 6-9 21-26 0 to <1 year 5 51 177 5-5 42-54 phosphate, 1 to <13 years 11 30 503 10-12 28-32 13 to <19 years 24 171 6-10 22-26 Amylase,U/L 0 to 14 days 10 129 2-3 10-10 15 days to <13 22 62 2-3 19-24 weeks 13 weeks to <1 year 3 50 235 2-3 47-53 1 to <19 years 25 101 938 23-28 98-105 AST (without pyridoxal 0 to 14 days 32 162 210 27-42 152-167 phosphate),U/L 15 davs to <1 vear 20 61 140 14-22 62-70 1 to <7 years 21 44 262 20-23 42-48 7 to <12 years 18 36 236 16-18 33-37 12 to <19 years 13 26 208 13-14 25-28 AST ACT (with pyridoxal 0 to 14 days 23 186 145 6-31 176-198 phosphate).U/L Clinical Chemistry 58:5(2012 40种常用生化指标年龄和性别相关的参考区间 0-19岁常用生化指标的变化（新生儿）