Haptoglobin is useful in the diagnosis and assessment of
Haptoglobin is a 'suicidal' protein which mops up free
haemoglobin in the circulation; the resulting complex is then
Low levels of haptoglobin are therefore suggestive of haemolytic
Request on ICE
Analysed by referral laboratory.
Analysed if specific criteria met.
If requested by Consultant Haematologist or being used to
investigate for intravascular haemolysis
Serum in yellow top (SST) tube
Sent to referral laboratory (Basildon Hospital)
Causes for Rejection
Unlabelled or inadequately labelled sample
Not meeting specific criteria for analysis.
0.3 - 2.0 g/L