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Haemoglobin alkaline denaturation

Alias: Apt test

Discipline: Blood Transfusion

Test information: To enable the rapid differentiation of adult maternal haemoglobin from fetal haemoglobin in faeces, vomit or blood samples.

Specimen Type(s)
  • Blood;
Other Acceptable Specimen Type(s)
Other fluids i.e. vomit accepted. EDTA anticoagulant is suitable. Faeces
Specimen Container - Adult
  • Purple Top BD;
Specimen Container - Paediatric
  • Purple Top Microtainer BD;
Analytes
  • N/A;
Part of a test profile?
No
Volume (min) of sample to be sent to laboratory
4ml
Patient Preparation, Sample Handling and Transport
N/A
Maximum add on time
N/A
Units and Reference Ranges / Interpretation
POS/NEG
UKAS number
8869
UKAS accredited test?
Yes
Comments
N/A

If you have any queries about a test or results interpretation please contact us.

Last updated: 03-05-2023