Clinics and Departments

Laboratory Services

Lab Dept:

Hematology

Test Name:

PARASITE, QUANTITATIVE BLOOD

General Information

Lab Order Codes:

PARQ

Synonyms:

Quantitative malaria, Babesia, Ehrlichia

CPT Codes:

85044 – Reticulocyte count, manual

Test Includes:

# of infected RBC’s, total RBC’s and % of infected RBC’s

Logistics

Test Indications:

Useful for detecting infection with a blood parasite. Since infection with blood parasite cannot be ruled out by a single blood sample, blood for detecting parasites should be collected as follows:

On admission or when first suspected of parasitic infection.

This test is performed on all positives until parasites are no longer seen on the peripheral smear.

If a patient is experiencing cyclic fevers, collect the specimen a half-hour prior to the next onset of fever.

Lab Testing Sections:

Hematology

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

4 hours

Special Instructions:

Specimen must arrive within 1 hour of collection.

Specimen

Specimen Type:

Whole blood

Container:

Lavender top (EDTA) tube

Draw Volume:

2 mL (Minimum 0.5 mL) blood

Processed Volume:

Same as Draw Volume

Collection:

Routine blood collection. Fill to mark on tube or MicrotainerŽ. Mix well by gentle inversion.

Special Processing:

Lab Staff: Do Not centrifuge. Specimen should remain as whole blood in original collection container.

Patient Preparation:

None

Sample Rejection:

Improper tube; clotted sample; underfilled tube; mislabeled or unlabeled specimens

Interpretive

Reference Range:

Manual Miller Disc: 0 %

Critical Values:

N/A

Limitations:

N/A

Methodology:

Manual Count using a Miller Disc

References:

Children’s Hospitals and Clinics Hematology Laboratory, October 2004



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