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Complete Blood Count (CBC)

Reticulocyte Count

Normal range 0.5-2.5 % of RBC (0.005-0.025 fraction SI). Specimen: Whole blood (EDTA).

Also known as: retic count, young red cells.

0.5-2.5 % of RBCReference range

Reference range

Conventional% of RBC
0.52.5
SIfraction
0.0050.025

Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Reticulocyte Count; those can be narrower than the band shown.

Reticulocyte Count reference range, specimen, and conversion details
SpecimenWhole blood (EDTA)
Conventional range0.5-2.5 % of RBC
SI range0.005-0.025 fraction
Conversion factor×0.01 (conventional → SI)
PanelComplete Blood Count (CBC)

Convert any Reticulocyte Count result between units on the unit converter.

What is the normal range for Reticulocyte Count?

The standard teaching reference range for Reticulocyte Count is 0.5-2.5 % of RBC in conventional units, or 0.005-0.025 fraction in SI units. This value is measured in whole blood (edta).

Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.

At the bedside

Nursing considerations

  • Measures marrow response to anemia - high means the marrow is compensating.
  • A low retic count with anemia suggests a production problem.
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