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HelpTest Code 2500275 OCCULT BLOOD/pH, GASTRIC
Specimen Requirements
Either gastric aspirate obtained by nasogastric intubation or vomitus is an appropriate sample for use with the Gastrocult test.
Specimen Stability Information
24 hours at room temperature
5 days at 2-8o C.
Reject Due To
Specimens other than listed
Reference Values
Negative for occult blood (reported as positive or negative)
A pH is also included.
Day(s) Test Set Up
Monday through Sunday
Special Instructions
No special patient preparation is necessary.
CPT Coding
82271
LOINC Coding
2334-1
Methodology
Buffered Guaiac Test