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Test Code BLOD0660 Reticulocyte Count, Blood

Useful For

Reflecting the bone marrow activity of red-cell production in response to therapy or increased destruction



Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Whole blood

Container/Tube: Lavender top (EDTA) or lavender top (EDTA) Microtainer

Specimen Volume: 4 mL

Pediatric Volume: 1 full Microtainer

Collection Instructions: If there is a delay in transport of >24 hours, refrigerate specimen and send specimen refrigerated.

Specimen Rejection: Unrefrigerated specimen> 24 hours old. Refrigerated specimen >48 hours old.

Specimen Transport Temperature

Ambient <24 hours/Refrigerated <48 hours

Specimen Stability


Specimen Type Temperature Time
EDTA whole blood Ambient 24 hours
  Refrigerated 72 hours


Reference Values


Component Normal Range
Reticulocyte Percent 0.5-1.5%
Reticulocyte Production Index (RPI) 0.50-1.50
Mean Reticulocyte Volume 102.7-124.9 Fl
Immature Reticulocyte Fraction 0.163-0.362%


Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding