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Alias Names: O & P EXAM
Methodology: Formalin Concentration; Trichrome Stain; Microscopic Exam
Edit Date: 6/8/2009
Performed: Daily
Released: 48-72 hours
CPT Code: 87177 / 87209
Specimen Collection Details
Collection: Stool in parasite detection kit (PVA and 10% formalin). Collect sigmoidoscopy material, duodenal contents, aspirates, sputum, or urine in a sterile container. No more than one specimen should be collected in a 24-hour period. Note: If worms are seen, transfer to the 10% formalin vial in the Parasite Detection Kit and order Parasite Identification (67500) .
Stability: Stool in Parasite Detection Kit is stable indefinitely ambient or refrigerated. Sigmoidoscopy material, duodenal contents, aspirates, sputum, and urine stable 2 hours ambient or 24 hours refrigerated. Unstable frozen.
Standard Volume: 10 gm solid stool or 10 mL liquid specimen.
Minimum Volume: 5 gm solid stool or 5 mL liquid specimen.
Transport: Ambient or refrigerated.
Comments: Brochure provided with parasite detection kit contains instructions for the collection of stool specimen. WBCs, RBCs, yeast and Charcot-Leyden crystals will be reported if seen in significant amounts. This test does not detect the presence of worms. FOR DIAGNOSTIC TESTING: Ideally, 3 specimens should be collected over a 7-10 day period. However, it is important to note that specimens collected after the fourth day of hospital stay are of limited value. This test does not include Cryptosporidium, Cyclospora, Isospora, or Microsporidum. If these parasites are suspected, order Cryptosporidium Smear (67010) or Coccidia Evaluation (91960).
Rejection Criteria: Frozen or incubated specimen; stool specimen contaminated with urine or water; dried specimen; bismuth, barium, magnesium, mineral oil or gallbladder dye in specimen (general waiting period necessary to clear these substances is 7 days; 21 days for gallbladder dye). NOTE: Stool of a semi-solid or liquid consistency and not in Parasite Detection Kit will only be accepted if received ambient within one hour of collection. Specimen of a formed consistency must be transferred to a Parasite Detection Kit the same day as collected.

None seen.

PeaceHealth Laboratories