Alert

Reticulocyte Count

Tube Type

Test ID LAB296
EPIC Order RETICULOCYTES
CPT Code(s) 85045
Group/Individual Test Group
Laboratory Core Laboratory
Tube Station 30 Routine; 888 STAT
Specimen Routine: Blood/lavender EDTA tube: 1.0 mL minimum volume
Micro: 0.5 mL blood/lavender EDTA microtainer
Stability Room Temperature or Refrigerated - 72 hrs
Availability Routine: 24 Hours/day
STAT: YES
Turnaround Time Routine: 2 hrs
  STAT: 1 hr
Reference Range Normal: See Table Below
Reference Range: Reticulocyte Count
Age Absolute (x10^9/L) Ranges (%)
<2 years 27.0 - 90.0 0.66 - 2.55
2 - <21 years 27.0 - 90.0 0.56 - 1.85
≥21 years 23 - 100 0.5 - 2.17

Reviewed by J. Carr on November 25, 2025

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