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Test Code OCCBLD Occult Blood, Feces

Specimen Requirements

Patient should be placed on the “Special Diagnostics Diet” at least 72 hours prior to and during testing period. Collect specimen as follows:
1. Diet may include:
A. Meats—only small amounts of well-cooked chicken, tuna, and turkey
B. Vegetables—generous amounts of both raw and cooked vegetables including carrots, celery, corn, lettuce, and spinach
C. Fruits—plenty of fruits, especially apples and prunes
D. Cereals—bran and bran-containing cereals
2. Foods and medications to be avoided:
A. Meat—diet should not include any red or rare meat for 3 days prior to testing.
B. Avoid raw fruits or vegetables containing high peroxidase activity such as broccoli, cantaloupe, cauliflower, horseradish, parsnips, and red radishes.
C. For 7 days prior to and during testing, do not ingest aspirin or other anti-inflammatory medicines.
D. For 2 days prior to and during testing, do not use rectal medicines.
E. For 3 days prior to and during testing, do not ingest any vitamin preparations which contain vitamin C (ascorbic acid).

F. Avoid non-steroidal anti-inflammatory drugs, alcohol, or other various drugs as they can cause false-positive results.
3. Stool collection:
A. Do not pass specimen into toilet, stool should be passed into a clean, dry container. You may cover toilet with plastic wrap (Saran® Wrap) to catch specimen.
B. Write your name and date and time of collection on container.
C. Forward promptly at ambient temperature.

Performing Laboratory

Conway Regional Clinical Laboratory Services

Reference Values

No occult blood detected

Methodology

Peroxidase Activity

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82270