Imperial Collage Healthcare

Extended red cell phenotype

Test Background
It may be useful to perform extended red cell phenotyping to identify further potential antibodies. This may not be possible if the patient has been recently transfused. The following antigens should be tested for: C, c, D, E, e, M, N, S, s, K, k, Fya, Fyb, Jka, Jkb.

Clinical Indications
To establish the minor red blood cell antigens in patients with red cell antibodies or those who are regularly transfused.

Reference Range
Contact the laboratory for further information.

Sample Required
EDTA (lavender top)

Sample Volume
4 mL for paediatrics
6 mL for adults

Turnaround Time
Dependent on clinical requirement. Contact the laboratory to discuss further.

This test may be referred to a reference laboratory for additional testing.
May be referred to the NHS Blood and Transplant service for confirmation if necessary.

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