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HelpTest Code GASOB Occult Blood Gastric Fluid
Collection Method
Provider Collected
Container
Clean Screw-top Container
Instructions/Special Handling
None
Preferred Specimen
Clean Screw-top Container
Acceptable Specimes
Clean Screw-top Container
Reference Ranges
- Abnormal or Positive results for Gastric Occult Blood is development of a blue color within 60 seconds.
- Normal or Negative results for Gastric Occult Blood is no development of blue color within 60 seconds.
Critical Values
N/A
Reasons for Rejection
| Hemolysis | N/A |
| Icterus | N/A |
| Lipemia | N/A |
| Other | QNS, Contaminated, Improperly labeled, Improper specimen type |
Specimen Stability
| Ambient (15-25°C) | 30 min |
| Refrigerated (2-8°C) | N/A |
| Frozen (-20°C) | N/A |
Performing Site
Boone Health Laboratory
Performance Information
| Days/Times Performed | Daily 24/7 |
| Expected Turn around Time | Same day |
| Methodology/Method Description | Gastroccult Card |
CPT Code(s)
82271