Nursing Central: Reticulocyte Count

Reticulocyte Count

General

Synonym/Acronym:
Retic count.

Common Use:
To assess reticulocyte count in relation to bone marrow activity toward diagnosing anemias such as pernicious, iron deficiency, and hemolytic; to monitor response of therapeutic interventions.

Specimen:
Whole blood (1 mL) collected in a lavender-top (EDTA) tube.

Normal Findings:
(Method: Automated analyzer or microscopic examination of specially stained peripheral blood smear)

Age	Reticulocyte Count %
Newborn	2%–4.8%
7–30 days	0.4%–2.8%
31–60 days	0.9%–3.8%
3 mo–18 yr	0.8%–2.1%
Adult–older adult	0.8%–2.5%
	Reticulocyte Count (absolute number)
Birth–older adult	0.02–0.10 (10⁶ cells/mm³)
	Immature Reticulocyte Fraction %
Birth	2.5%–6.5%
Newborn–older adult	2.5%–17.0%
	Reticulocyte Hemoglobin
Birth	22–32 pg/cell
Newborn–18 yr	23–34 pg/cell
Adult–older adult	30–35 pg/cell

Reticulocyte Count has been found in Davis's Lab & Diagnostic Tests

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