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Laboratory Medicine

Test Directory / HbA1c

HbA1c

EDTA

TestHbA1c
Common AbbreviationsNA
ProfileNA
Tube typeEDTA
Clinical IndicationMeasurment of HbA1c is used in the diagnosis and monitoring of diabetes mellitus.
Specimen TypeBlood
Sample typeEDTA Whole blood
Minimum Volume1mL
Special PrecautionsNo special requirements
Stability72 hours at 25°C and 14 days at 4°C
Turnaround TimeInpatient: 24 hours Outpatient/ GP: 24 hours
LaboratoryYork and Scarborough
Reference IntervalNon diabetic: < 42mmol/mol Please refer to WHO criteria
LimitationsVariant haemoglobin fractions or increased/decreased red cell turnover may produce results where HbA1c does not correspond to average blood glucose levels.
Notes
Internal hospital signage with arrows to Main Reception, Outpatients and Pharmacy

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Maternity access at York Hospital - Saturday 22 February

On Saturday 22 February, 8am-6pm, there will be a temporary change of vehicle access to the maternity unit at York Hospital. Access via entrance 2 will be closed to allow essential works to be completed. 

If you are attending the maternity unit at York on this day, please drive in via the entrance for A&E (marked blue light priority).

The multi-storey car park will not be affected by this change, and any non-urgent visitors should continue to park in this area.