UW Hospital and Clinics Lab Test Directory
| Test Name: |
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Occult Blood, Gastric
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| Test Code(s): |
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GASTRO / HCGASTRO
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| CPT Code(s): |
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82273
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| Methodology: |
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Gastroccult Slide Kit
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| Clinical Significance: |
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Gastroccult is a rapid screening test for detecting occult blood in vomitus and gastric aspirates.
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: 1 hour.
Routine: 4 hours.
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Specimen Requirements
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| Specimen: |
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Vomitus or gastric aspirate
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| Collection Instructions: |
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Apply one drop of vomitus or gastric aspirate to gastroccult blood test area. DO NOT apply sample to the Performance Monitor Area of the card.
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| Collection Container: |
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Preferred: Gastroccult Kit
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| Sample Analyzed: |
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Vomitus or gastric aspirate
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| Specimen Transport: |
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It is recommended that samples be applied to slide immediately after collection. Gastroccult slide may be developed up to 4 days after sample application. Store at room temperature. Transport slide to UWHC Core Laboratory (B4/220).
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| Unacceptable Criteria: |
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Sample not received on Gastroccult slide is not acceptable. If sample is applied to the Performance Monitor Area of the card, slide is not acceptable.
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| Stability: |
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Ambient: 4 days
Refrigerated: Not acceptable
Frozen: Not acceptable
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Interpretation
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Expected Results:
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Negative
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| Test Limitations: |
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The laboratory does not report the pH from the gastroccult slide.
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| Additional Information: |
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Gastroccult testing is a screening procedure and cannot be considered conclusive evidence of the presence or absence of GI bleeding. Test results should be used in conjunction with other information relevant to the clinical status of the patient.
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gastroccult
gastrocult
gastric
vomitus
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