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Test Code LAB296 Reticulocyte Count

Performing Lab

Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital

Ordering Recommendations

Assessing erythropoietic bone marrow activity in anemia and other hematologic conditions.

Collect

Whole Blood

Collection Device

EDTA Lavender Top Tube

Stability (from collection to initiation)

Room Temp 24 Hours
Refrigerated 72 Hours

Storage/Transport Temperature

Refrigerated

Specimen Volume

3 mL

Minimum Requirements

2 mL

250 uL capillary puncture

Rejection Criteria

  • Specimen is clotted
  • Quantity Not Sufficient for Analysis (QNS) – The minimum sample volume is 2mL in an EDTA vacutainer tube or 250 µL for a capillary puncture.

Remarks

TURN AROUND TIME

STAT 1 Hour
Routine

8 Hours

Synonyms

Retic count

Methodology

New Methylene Blue Stain

Start Date

9/13/2017

Last Review Date

06/24/2025

7/3/25 AP

7/31/2025 JLH