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HelpTest ID NBLD0219 Diagnostic Occult Blood-Gastric (Guaiac)
Specimen Type/Requirements
Specimen: Gastric aspirate or Vomitus. Collect gastric aspirates by nasogastric intubation or collect vomitus in a clean, sealed container.
Specimen Volume
| Preferred Volume | |
| Minimum Volume | 1.0 mL sample |
Stability/Transport
| Room Temperature | Immediately | Preferred for Transport |
| Refrigerated | N/A | |
| Frozen | N/A |
Performed Test Frequency
Monday-Sunday
Methodology
Occult blood: Guaiac-peroxidase
pH: Dye color change
Performing Lab
Sanford Laboratories Fargo - Core Lab
CPT
82930