Sample type: Whole Blood

Test name: Foetal leak investigation a.k.a. Kleihauer

Condition / Indication: A test to indicate if prophylactic anti-D is required following a suspected fetal bleed or postnatally. Usually indicated in Rh negative mothers only. However can be undertaken on Rh positive mothers under special circumstance. In these cases, please contact the laboratory.

Special precautions & notes: Send two EDTA samples (clearly labelled). One from Mother and Cord sample from Baby. If found to be positive (>2ml bleed) the sample will be referred outside the laboratory to NHSBT Filton.

Container: EDTA (Pink) 6.0 ml

Ideal volume (mL): 4 mL

Referred outside NBT for analysis? Possibly.

Discipline: Blood Transfusion

Turnaround time: 1 day

Referral location: NHS Blood and Transplant, Filton, North Bristol Park, Northway, Filton, Bristol BS34 7QH