# Hemoglobin, Hematocrit, Blood Count — Blood donor deferral criteria compared across national blood services

For Hemoglobin, Hematocrit, Blood Count, blood service is American Red Cross (US); waiting period is hemoglobin at least 12.5 g/dL for women, 13.0 g/dL for men; condition is hemoglobin level can be no greater than 20 g/dL; 13.3 g/dL required for Power Reds regardless of gender; outcome is temporary deferral, recorded from its source on 2026-08-06.

- **Criterion:** Hemoglobin, Hematocrit, Blood Count
- **Blood service:** American Red Cross (US) _(our reading, not quoted from the source)_
- **Waiting period:** hemoglobin at least 12.5 g/dL for women, 13.0 g/dL for men _(verified: appears in the quote below)_
- **Condition:** hemoglobin level can be no greater than 20 g/dL; 13.3 g/dL required for Power Reds regardless of gender _(verified: appears in the quote below)_
- **Outcome:** temporary deferral _(our reading, not quoted from the source)_

## What the source says

> In order to donate blood, a woman must have a hemoglobin level of at least 12.5 g/dL, and a man must have a hemoglobin level of at least 13.0 g/dL. For all donors, the hemoglobin level can be no greater than 20 g/dL. A hemoglobin level of 13.3 g/dL is required to donate Power Reds regardless of gender.

## Source

- https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Blood donor deferral criteria compared across national blood services](https://referencesource.org/blood-donor-deferral-criteria/).