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Test Code GASOCC Occult Blood, Gastric

Performing Laboratory

Huntsville Hospital Laboratory


Buffer Guaiac

Note:  A pH is also included.

Specimen Requirements

Submit 1 mL to 5 mL of gastric specimen in a leakproof, sterile container.

Specimen Stability Information

Refrigerated: 5 days

Room Temperature: 24 hours

Reference Values

Negative for occult blood (reported as positive or negative)

Day(s) Test Set Up

Monday through Sunday

CPT Coding

82271 - occult blood, gastric
83986 - pH

LOINC Coding

Test Name LOINC Code

Occult Blood, Gastric

Specimen 66746-9