Unit Code 8310:
Fat, Feces
Specimen Required
Stool specimen (48 or 72 hour preferred, 24 hour or random accepted).
For a timed collection, the entire collection containing at least
5 g is required. For a random collection, a minimum of 5 g
(do not send entire collection) is required. Send specimen
frozen in container()s (Supply T291) supplied. See "Stool Collections"
in Special Instructions.
Note: 1. Length of collection period is required on
request form for processing.
2. For 3 days prior to and during the collection period:
A. Patient should be on a fat-controlled diet (100-150 g
fat per day).
B. No laxatives (particularly mineral oil and castor oil)
C. No synthetic fat substitutes (eg, Olestra) or fat-
blocking nutritional supplements
3. Barium interferes with test procedure; a waiting period
of 48 hours before stool collection analysis is
recommended.
4. Label all containers X of X, eg, 1 of 2, 2 of 2; and
send all containers.
5. A separate order and collection should take place if
stool calcium, chloride, magnesium, osmolality,
potassium, sodium, or any microbiology testing is
desired.
Transport Temperature
Frozen\Refrig OK\Ambient NO
Reject Due To
Specimens Other Than: Feces
Anticoagulants Other Than: NA
Hemolysis: NA
Thawing: Warm Ok; Cold Ok
Lipemia: NA
Day(s) and Time(s) Test Performed
Monday through Friday; 8 a.m.
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