Haematology
| Full details for "Membrane Screen (EMA)". | |
|---|---|
Name |
Membrane Screen (EMA) |
Alternative name/Profile |
EMA, Osmotic fragility |
Department |
Haematology |
Investigation |
Eosin-5-maleimide (EMA) is a fluorescent dye that binds to a protein in the red blood cell membrane. Flow cytometry investigates the deficiency or abnormality of this protein through a decrease in EMA binding detected though a decrease in fluorescence. A reduced EMA binding test results is suggestive of Hereditary Spherocytosis |
Specimen type |
Peripheral Blood |
Sample type |
|
Sample container & volume |
4ml EDTA Purple |
Frequency of analysis |
As Required |
Turnaround time |
7 working days |
Availability |
Please send samples for EMA analysis Monday through Thursday only. Analysis must be performed within 24 hours of venipuncture. Please phone laboratory 01 4162048 in advance of sending samples for this test. |
Notes |
Fresh EDTA samples required. Analysis must be performed within 24 hours of venipuncture. Please send a blood film with all EMA requests. Please phone laboratory on 01 4162048 in advance of sending this test. |
Related links |
|
Reference range |
Positive or Negative |
Last updated |
Wed, 14 Jan 2026 15:57:43 GMT |