A-

A negative

ABO group A · Rh negative
Written by the VitaWhat editorial team · Medically reviewed by Steve Davis · Last reviewed 19 July 2026 · Editorial policy

Carries the A antigen but is Rh (D) negative.

8%
UK population
2%
World population
A+, A−, AB+, AB−
Can donate red cells to
A−, O−
Can receive from

Key facts

  • Can donate red cells to all A and AB patients
  • Rh-negative, so useful for Rh-negative recipients

Sources & references

  1. NHS Blood and Transplant — Blood types
  2. American Red Cross — Blood types

Related entries

A positiveAB negativeAB positiveB negativeB positiveO negative
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