การทดสอบ alt ของห้องปฏิบัติการ (sgpt) มีค่าใช้จ่ายเท่าไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
what does a lab alt (sgpt) test cost?It is not neccessary to use all the tables.
 vitalperiodic:  vitalperiodicid [ number]  patientunitstayid [ number]  temperature [ number]  sao2 [ number]  heartrate [ number]  respiration [ number]  systemicsystolic [ number]  systemicdiastolic [ number]  systemicmean [ number]  observationtime [ time] 
SELECT DISTINCT cost.cost FROM cost WHERE cost.eventtype = 'lab' AND cost.eventid IN (SELECT lab.labid FROM lab WHERE lab.labname = 'alt (sgpt)')