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Reticulocyte Count

Tube Type

Includes Reticulocyte Hemoglobin Content

Test ID   LAB296
CPT Code(s)   85045
Group/Individual Test   Group
Laboratory   Core Laboratory
Tube Station   30 Routine; 888 STAT
Specimen Routine: blood/lavender top tube: 1.0 mL minimum volume
  micro: 0.5 mL blood/lavender microcollection device
Stability Room Temp or Refrigerated - 72 hrs
Availability Routine: 24 Hours/day
Turnaround Time   STAT 1 hr., Routine 2 hrs.
Reference Range Normal: See Table Below

Reference Ranges:  Reticulocyte Count
Age Sex Method Ranges (%)
NB-Day 28  / Auto/Manual 3-7
D28-1yr / Auto/Manual 0-1
1yr+ / Automated 0.5-2.7
1yr+ Male Manual 0.8-2.0
1yr+ Female Manual 0.8-2.5
1yr+ Unspecified Manual .8-2.0
Reference Ranges:  Reticulocyte Hemoglobin Content
Range (pg)
0 Undefined
16yr+ 29.7-36.1

Reviewed by jcayless on December 16, 2019

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514