Test directory: Occult Blood, Gastric

Ordering Code 7210
Test Name Occult Blood, Gastric
Preferred Specimen Gastric Fluid
Preferred Container Clean Container
Other Specimen/Container Nasogastric intubation or vomitus
Optimum Volume 1 mL
Collection Instructions Patient preparation: Avoid consumption of incompletely cooked red meat, some raw vegetables, antacid products and
Ascorbic Acid (Vitamin C)
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: 24 Hours
Refrigerated: 5 Days
Rejection Criteria Specimen older than stability limits
Avail. Stat NO
Analytic Time 1 Day
Methodology pH
Reference Lab  Kuakini Medical Center Laboratory

Reference range(s)

The reference ranges listed below are valid on this date of October 31, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Occult Blood, Gastric ALL NEGATIVE NEGATIVE