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Laboratory Test Reference Guide

Laboratory Information

Test Name

FMH Quantification by Flow Cytometry

Synonyms

Foeto-maternal haemorrhage
Anti-HbF

Specimen Collection

Pre Testing Requirements

The Anti-HbF method is used as a confirmatory test for positive Kleihauers only

Foetal bleed must be >2mls by the Kleihauer-Betke method

Adult Specimen

4mL EDTA tube (purple top)

Instructions for Referral to Waikato Lab

Aliquot Transport

Refrigerate sample if not tested within 4 hours post collection

Sample can be tested if stored at 4°C for up to 72 hours

Test Information

Department

Haematology

Test Availability

Mon - Fri, 0800 - 1630 excl. Public Holidays

Laboratory Turnaround Time

24 hours

Method

Flow Cytometry