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Learn · Red Cells & Oxygen

Reticulocyte Count

Measured in %

Brand-new red cells, still maturing. Shows how fast your bone marrow is producing — the production side of the hematocrit picture.

What the numbers mean

These are the ranges BioForge works to. They are not the same as a lab's reference range, which is built from the general population rather than from people who feel well.

Low
<0.6 · Marrow · under-producing
Optimal
0.6–2.6
High
>2.6 · Marrow working overtime

What moves Reticulocyte Count

Rises after blood loss, therapeutic phlebotomy, or when testosterone is driving red cell production hard. Falls with iron, B12 or folate deficiency, or with kidney disease. Useful for telling a marrow problem apart from a supply problem.

Related markers in Red Cells & Oxygen

This page is educational and is not medical advice. Ranges are general and do not account for your history, medications or symptoms — a single number never decides a protocol. Your results are interpreted by a licensed clinician alongside everything else about you. Back to the Learning Center

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