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Test Code DOBS/LAB695 Occult Blood Diagnostic

Performing Laboratory

Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Ashland Community Hospital

Specimen Requirements

Sterile container or Hemoccult card. Occult blood cards can be obtained from the lab and taken home with the patient for collection of samples


Patient should not receive vitamin C (ascorbic acid) for 3 days prior to occult blood testing.  A high bulk, red meat free diet with restriction of peroxidase-rich vegetables (yellow turnips, horseradish, apples, oranges, bananas) has been recommended for 72 hours prior to testing and during testing to decrease the incidence of false-positives.  Alcohol, aspirin and other gastric irritants should also be avoided 7 days prior.

Follow directions on Hemoccult slides provided by laboratory.

Follow special dietary directions as recommended by physician.  It is recommended to sample areas from 3 stool samples collected on 3 successive days.

Specimen Transport Temperature and Stability


Day(s) Test Set Up

Monday through Sunday

Performed daily. STAT in 30 minutes.

Additional Information

Use: Detection of occult blood in stools.


Guaiac paper and pseudoperoxidase reaction

Performing Department


Test Classification and CPT Coding

82270 - Diagnostic – Blood, occult, by peroxidase activity qualitative; feces, consecutive collected specimens with single determination, for colorectal neoplasm screening
G0107 - Screening – Colorectal cancer screening; fecal-occult blood test, 1-3 simultaneous determinations

Billing Code