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Test Code Worm Identification Parasite Identification, Worm, LAB247

Important Note

This should only be ordered if sending an actual worm for ID.


If sending stool looking for parasites, order Ova and Parasites, Feces, LAB258 or Stool FilmArray Panel, Lab5043.

Performing Laboratory

State Hygienic Laboratory (SHL) - Iowa City

Specimen Requirements

Submit worm in 5-10 mL of 70-80% ethanol in a clean container with tight fitting lid.

Transport at room temperature.


Unacceptable specimens: Stool. Unpreserved specimens. Specimens in preservative other than ethanol.

Reference Values

Negative: Submitted specimen not a worm/parasite.

Day(s) Test Set Up

Monday through Friday


Macroscopie and microscopic examination of worm for identification.

Test Classification and CPT Coding

CPT - 87169