Days Set Up
Daily, 24 hours
Analytic Time

STAT: 1 hour; Routine: 4 - 8 hours

MiChart Code
Reticulocytes
Soft Order Code
RETIK

Test Updated:

Synonyms

RETIK
RETICULOCYTE GROUP TEST
ARET PAT?
ABNORMAL RETIC PAT
IRF
IMMATURE RET FRACTION
RET
Reticulocyte Count, Manual
Reticulocyte Count, Automated
RET
RET %
RET #
FLOW RETIC
RETICULOCYTE COUNT
RETICULOCYTE COUNT
RETICULOCYTE COUNT - FLOW CYTO

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Sysmex XE-9000

Test Usage

Evaluating anemia, bone marrow production of red cells, hematopoiesis.

Reference Range

0.63 - 1.39%

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection

Liquid EDTA K3 collection tubes are not acceptable and will be rejected due to possible dilutional effects.

Collection Onsite

Collect specimen in a lavender top EDTA K2 Vacutainer® tube or EDTA K2 Microtainer® tube. Send intact specimen at room temperature within 24 hours of collection.

Collection Offsite

Collect specimen in a lavender top EDTA K2 Vacutainer® tube or EDTA K2 Microtainer® tube. Send intact within 24 hours of collection if stored at room temperature or within 48 hours if stored refrigerated.

Red Top Tube
Normal Volume
3 ml EDTA K2 whole blood in Vacutainer® tube or 500 µl EDTA K2 whole blood in Microtainer® tube
Minimum Volume
1 ml EDTA K2 whole blood in Vacutainer® tube or 300 µl EDTA K2 whole blood in Microtainer® tube

Billing Information

CPT Code
85045
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.