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Test Code OBS/LAB5259 Occult Blood Screening

Performing Laboratory

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

Specimen Requirements

Sterile container or Hemoccult cards


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


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 (eg, guaiac), 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