OPCPS – “Ova and Parasites, Conc. And Perm Smear”

Update to alternate specimen and rejection criteria

Alternate Specimen:

Stool preserved in 10% formalin and polyvinyl alcohol transport vials.

Urine:

Send 25.0 mL urine in sterile screw capped container.

Note: Urine maybe submitted unpreserved for exam for Schistosoma. Collect at mid-day. Peak

egg secretion occurs between noon and 3 pm. DO NOT SUBMIT FIRST MORNING SPECIMEN. In

patients with hematuria, eggs may be found in last voided portion of urine specimens.

Sputum or BAL:

Send 10.0 mL sputum or BAL in a sterile screw capped container or with 10% formalin. Specimen should be a deep expectorated sputum preferably collected in early morning. 24-hour sputum collection is also acceptable.

Rejection Criteria: Unpreserved stool; specimens containing barium; stool preserved in medium other than those listed as acceptable; preserved urine, liver abscess or aspirate.