Laboratory Medicine

Test Directory / Pyruvate Kinase Assay

Pyruvate Kinase Assay

EDTA

Test	Pyruvate Kinase Assay
Common Abbreviations	PK enzyme
Profile
Clinical Indication	PK deficiency is found to cause hereditary non-spherocytosis haemolytic anaemia
Specimen Type	Blood
Sample Type	EDTA
Minimum Volume	Minimum 1ml
Special Precautions	Blood transfusion within the last 4 months will affect results. Any red cell transfusion given must be declared on the request form.
Stability
Turnaround Time	10 days
Laboratory	King's College Hospital, London.
Reference Interval	11.0-19.0 IU/g Hb
Limitations	Raised reticulocyte levels and/or raised WBC levels may affect assay
Additional Information

Update for visitors

Visiting restrictions are in place at our hospitals to stop the spread of norovirus. These restrictions will be in place until further notice.

The following wards are closed to visitors:

York Hospital: Ward 29 and Ward 37.

There are four exceptions only to the restrictions. These are:

For patients who are receiving end of life care

Paediatric patients (babies and children)

Maternity care

The family carers of those with dementia

We understand these restrictions can be difficult when a loved one is unwell. The restrictions will be reviewed daily and lifted as soon as it is safe. Thank you for your understanding as we try to reduce the spread of norovirus in our hospitals.