Parasite Exam, Trichrome Stain

Test Code

CPT Codes

Preferred Specimen
Place 5-10 grams stool specimen in a leak-proof stool container with PVA, fluid level should reach line on vial

Minimum Volume
3 grams

Containers with PVA preservative are available from the Client Supplies Department.

Place stool specimens in PVA within 1 hour of collection. Fluid level should reach line on vial. Mix specimen with the preservative.
Stool specimens are stable, if stored and transported at room temperature, until the expiration date printed on the vial. Do not freeze.

Transport Temperature
Room temperature

Specimen Stability
Room temperature: See instructions

Microscopic Examination • Smear

Setup Schedule
Set up: Daily; Report available: 5-7 days

Reference Range
No ova or parasites seen

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.