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Test Code 68 Parasite Exam, Blood includes Malaria, Babesia and Microfilaria

Specimen Containers and Fixatives

Contact Microbiology lab at 570-2733 for instructions on preparation of blood smears. Draw 5.0 mL of whole blood in a Lavender Top Tube (EDTA).

Specimen Required

All locations: 3 thin and 3 thick blood films from a finger stick and 5.0 mL of blood at room temperature.

Client Special Instructions

Specimens should be collected before treatment is initiated. Microfilariae exhibit a marked periodicity depending on the species involved. If a filarial infection is suspcted the optimal collection time for demonstrating microfilariae is:

Loa loa – 10 AM to 2 PM

Brugia or Wuchereria – at night, after 8PM

Mansonella – any time

Onchocerca – any time

Day(s) and Time(s) Performed


Daily, 24 hour

Reference Values

Presence or absence or parasite will be reported. If present parasite(s) will be identified.

Method Name

Microscopic exam of Giemsa stained thick and thin blood smears for malarial parasites

CPT Code Information


LOINC Code Information