RETICULOCYTES

Test Code

LAB296

Quest Code

793

CPT Codes
85045

Preferred Specimen

Whole blood full EDTA (lavender-top) tube - mix well by gentle inversion

Minimum Volume

Microtainer 0.5 mL • 1 mL whole blood EDTA tube

Other Acceptable Specimens

Whole blood from a full EDTA (tan-top) tube

Instructions

Maintain specimen at room temperature. If multiple draw, collect EDTA (lavender-top) tube last.

Note: If drawn with lead testing, EDTA (tan-top) is required.

Transport Container

EDTA (lavender-top) tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 48 hours
Refrigerated: Not established
Frozen: Not established

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Clotted

Methodology
Electronic Cell Sizing and Counting/Cytometry/Microscopy

Setup Schedule

Mon-Sat

Report Available

2 days

Limitations

Large platelets, parasites, howell jolly bodies, or cold agglutins may cause inaccurate results.

Reference Range

See Laboratory Report

Clinical Significance

Use in evaluating erythropoietic activity.

Performing Laboratory

Quest Diagnostics-Lenexa

10101 Renner Blvd

Lenexa , KS 66219-9752

Last Updated: August 13, 2021

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.