Test directory: Occult Blood, Gastric

Ordering Code7210
Test NameOccult Blood, Gastric
Preferred SpecimenGastric Fluid
Preferred ContainerClean Container
Other Specimen/ContainerNasogastric intubation or vomitus
Optimum Volume1 mL
Collection InstructionsPatient preparation: Avoid consumption of incompletely cooked red meat, some raw vegetables, antacid products and
Ascorbic Acid (Vitamin C)
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: 24 Hours
Refrigerated: 5 Days
Rejection CriteriaSpecimen older than stability limits
Avail. StatNO
Analytic Time1 Day
MethodologypH
Reference Lab Kuakini Medical Center Laboratory

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Occult Blood, GastricALLNEGATIVENEGATIVE