Reticulocyte Count

 

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Clinical Guidelines Back Newborn Services Home Page

To convert number of reticulocytes to %

Normal Range for Reticulocyte Counts

The reticulocyte count range (%) and (x109/L) in the first 3 months of life in term infants*

Age

% x 109/L
1 day 3.0-7.0 110-445
7 days <0.1-1.3 <10-80
4 weeks <0.1-1.2 <10-65
8 weeks 0.1-2.9 <10-125
12 weeks 0.4-1.6 15-75
>12 weeks 0.2-2.0 10-105

* Data from various sources, based on microscope counts

References

1 Paediatric Haematology. Eds Lilleyman JJ, Hann I, Churchill Livingstone 1992.