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CERNER / EPIC MNEMONIC / POE DESCRIPTION / CPT CODE / TEST INFORMATION / DAYS PERFORMED / TURNAROUND TIME / SPECIAL INSTRUCTIONS / CONTAINER TYPE / SPECIMEN REQUIREMENTS / REJECTION CRITERIA / MINIMUM VOLUME / HANDLING INSTRUCTIONS / REFERENCE RANGE / LIMITATIONS OF TEST / METHODOLOGY / ADDITIONAL INFORMATION / TEST SYNONYM(S)

Ova and Parasites, Aspirated Specimen (View in report form.)

CERNER / EPIC MNEMONIC: OP
POE DESCRIPTION: OVA AND PARASITES EXAM; O & P; OP
CPT CODE: 87177; 88313
TEST INFORMATION: The test includes a specimen gross description, wet prepration (saline), concentration procedure, and Trichrome stain.
DAYS PERFORMED: Daily, 24 hours
TURNAROUND TIME: Variable - depending upon procedure required, usually within 3 days
SPECIAL INSTRUCTIONS: The requisition or order MUST specify if the specimen is to be examined for Cryptosporidium, Isospora, and/or Cyclospora. The specific anatomic site of the specimen MUST be specified on the order or the requisition.
CONTAINER TYPE: Sealed sterile container
SPECIMEN REQUIREMENTS: Sputum, aspirate, biopsy, body fluid, duodenal fluid
REJECTION CRITERIA: Inappropriate specimen container, insufficient specimen volume, swab specimen submitted, specimen consisting entirely of saliva, specimen contaminated with urine and/or water, specimen containing interfering substances (i.e. castor oil, bismuth, Metamucil®, barium), specimen contaminating outside of transport container, specimen in a preservative. Only one specimen will be accepted per day.
MINIMUM VOLUME: 3-4 mL
HANDLING INSTRUCTIONS: Specimen should be transported as soon as possible. When transportation is delayed, refrigerate.
REFERENCE RANGE: No parasites
LIMITATIONS OF TEST: Wet preparation exams for motile trophozoite observation CANNOT be performed on specimens which arrive in the Clinical Microbiology Laboratory longer than 30 minutes after collection or on preserved specimens. The specimen will be examined for parasites ONLY. One negative result does NOT rule out the possibility of parasitic infestation. Three specimens over a 5-7 day period are desirable to improve sensitivity.
METHODOLOGY: Wet preparation (saline), concentration, Trichrome stain.
ADDITIONAL INFORMATION:

TEST SYNONYM(S):Aspirate for Ova and Parasites; Parasitology Examination, Aspirate

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