import hl7

msg_str = 'MSH|^~&|lab|university|hospital||19980903000054||ORU^R01|5|P|2.1||||\rPID|||ABC123||TEST^PATIENT||19730225|M|\rORC|RE||||||||||||||\rOBR||M12345|W12345678^SQ|AY^Amylase|||19980902224900|||||||199809022249|&|||||W1234||199809030000||CHA|F|TRAUMA^AY|^^^^^S||||||||||\rOBX|1|NM|AYT^Amylase (Total)|1| 730|U/L|17-90|H|||F||\rOBX|1|NM|AYP^Amylase (Pancreatic)|2| 466|U/L|9-48|H|||F||\rOBX|1|NM|AYS^Amylase (Salivary)|3| 264|U/L|0-60|H|||F||'

msg = hl7.parse(msg_str)

msh = msg.segment('MSH') print(msh[3].value) # 输出 hospital

pid = msg.segment('PID') print(pid[5].value) # 输出 TEST^PATIENT

obx_1 = msg.segment('OBX', 1) print(obx_1[3].value) # 输出 AYT^Amylase (Total)

obx_2 = msg.segment('OBX', 2) print(obx_2[3].value) # 输出 AYP^Amylase (Pancreatic)

obx_3 = msg.segment('OBX', 3) print(obx_3[3].value) # 输出 AYS^Amylase (Salivary)

使用split()方法分割信息

obx_1_fields = obx_1[5].value.split('|') print(obx_1_fields[0]) # 输出 1 print(obx_1_fields[1]) # 输出 730 print(obx_1_fields[2]) # 输出 U/L print(obx_1_fields[3]) # 输出 17-90

输出完整的OBX信息

print(obx_1.value) # 输出 OBX|1|NM|AYT^Amylase (Total)|1| 730|U/L|17-90|H|||F||