Rh System
In addition to the antigens present in the ABO System, red blood cells sometimes have another antigen, a protein called the Rh factor.
Description
The Rh System is a CODED CLINICAL ENTRY.
In addition to the antigens present in the ABO System, red blood cells sometimes have another antigen, a protein called the Rh factor.
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If the Rh factor is present, the PERSON's blood group is RhD positive;
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If the Rh factor is absent, the PERSON is RhD negative.
This means that a PERSON can be one of eight blood groups:
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A RhD positive (A+)
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A RhD negative (A-)
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B RhD positive (B+)
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B RhD negative (B-)
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O RhD positive (O+)
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O RhD negative (O-)
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AB RhD positive (AB+)
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AB RhD negative (AB-).
For further information on the Rh System, see the NHS website at: Blood groups.
Also Known As
This NHS business definition is also known by these names:
Context | Alias |
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Full name | Rhesus Blood Group System |
Where Used
Type | Link | How used |
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Attribute | PERSON RHESUS FACTOR | references in description Rh System |
NHS Business Definition | Rh System | references in description Rh System |