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Laboratory Test Reference Guide

Laboratory Information

Test Name

EMA Binding

External Price (excl. GST)


Specimen Collection

Specimen Collection and Transport Protocols

Blood samples must be collected prior to any blood transfusion or at least 60 days from any previous blood transfusion and without any evidence of active haemolysis.


Adult Specimen

1 x 4 ml EDTA blood (purple)

Paediatric Specimen

minimum 1 x 250 uL EDTA blood (microtainer, purple)

Sample Delivery to Lab

To be received at referral laboratory by 1630hrs Thursdays

Instructions for Referral to Waikato Lab

Aliquot instructions

Referring laboratories need to provide 6 x 4ml EDTA bloods from different adults with normal haematology and biochemistry profiles.

These samples should be collected at a similar time as the patient sample.

The control blood samples are to be transported to referral lab with the patient sample.

Aliquot Transport

Send all samples at 4°C labelled appropriately


Test Information



Test Availability

Mon - Thu, 0800 - 1630 excl. Public Holidays

Laboratory Turnaround Time

7 days


Flow cytometry method quantitating the fluorescence intensity as mean channel fluorescence (MCF) of intact cells after incubation with eosin

Diagnostic Use Or Instructions

Used as a screening test to detect structural defects in the red cell membrane associated with Hereditary Spherocytosis.

Minimum Volume

250 uL EDTA blood in microtainer tube (purple)

Electronic Information

Registration Code


HL7 mapping code