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.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

STAT: 1 hour; Routine: 4 - 8 hours

Soft Order Code
RETIK
MiChart Code
Reticulocytes
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
Laboratory
Hematopathology
Section
Hematology
Specimen Requirements
Collection

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

Collection Instructions

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.

Alternate Specimen
Any EDTA K2 collection tube is acceptable, including, but not limited to Pink top EDTA K2 and Tan top EDTA K2 tubes.
Contraindications
Test is not indicated for patients receiving a large number of blood replacement units.
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
Rejection Criteria
Specimens clotted, diluted with IV fluid, containing fibrin strands and clumped platelets, or in underfilled or improper tubes will be rejected.
Additional Information

Automated reticulocyte counts that fail to meet established performance criteria will be done by manual methods at no additional charge. Absolute count will be reported when a red blood cell count (CBCP) is also performed.

Billing
CPT Code
85045
Fee Code
22307