# Surgery — Blood donor deferral criteria compared across national blood services

For Surgery, blood service is American Red Cross (US); waiting period is individual assessment; condition is the underlying condition that precipitated the surgery requires evaluation; case by case basis; outcome is individual assessment, recorded from its source on 2026-08-06.

- **Criterion:** Surgery _(verified: appears in the quote below)_
- **Blood service:** American Red Cross (US) _(our reading, not quoted from the source)_
- **Waiting period:** individual assessment
- **Condition:** the underlying condition that precipitated the surgery requires evaluation; case by case basis _(verified: appears in the quote below)_
- **Outcome:** individual assessment _(our reading, not quoted from the source)_

## What the source says

> It is not necessarily surgery but the underlying condition that precipitated the surgery that requires evaluation before donation. Evaluation is on a case by case basis.

## 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/).