Label modifier text

The below list explains the types of label modifier texts and their clinical indications.

For intrauterine transfusion

A hyper-concentrated red cell component with a haematocrit of 0.70-0.85. After preparation, the expiry is reduced to 48 hours and the component must be irradiated before use.

Once irradiated, the component must be used within 24 hours.

CMV negative

The originating donor sample/donation has been tested for CMV antibody and is negative.

Not NAT tested

Due to extenuating circumstances (e.g. machine failure or specific clinical demand), this component has been released without NAT testing being performed.

A disclaimer form will accompany these components.

Low anti-T

The originating donor sample/donation has been tested and anti-T was not detected.

IgA deficient

The originating donor sample/donation has been tested and is IgA deficient.

Secretor plasma Le(b+)

The component is from an Le(a-b+) donor and contains soluble H and Lewis antigens (and A or B antigens if the donor is group A or B). May be used to neutralise a recipient’s Lewis or A or B antibodies.

Suitable for transfusion.

Not for neonatal use

The component has been deemed unsuitable for neonatal use due to the presence of red cell antibodies (low titre only).

It should not be transfused to a neonate.

Phenotype reserve

The originating donor sample/donation or previous testing of donor has had an extended phenotype performed, and forms part of a panel of cells reserved for patients with antibodies or where antigen negative blood is otherwise specifically required.

Low anti-A/B

The originating donor sample/donation has low levels of anti-A/B haemolysins.

Autol release - see disclaimer

This autologous component has tested positive for one or more viral markers but has been released upon request by the patient’s physician.

A disclaimer form will accompany these components.

Notes: NAT (nucleic acid technology) CMV (cytomegalovirus) IUT (intrauterine transfusion) 

Further information

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