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COVID-19 (Coronavirus info)

Information and guidance for public, NHSGGC staff, and community-based services.  Hospital visiting restrictions now in place.


Aim for HbA1c of 53mmols/mol (IFCC) as this is associated with better outcomes, microvascular and macrovascular.

If poor control consult GP re medication and reinforce advice about diet, weight management and exercise. An HbA1c measurement must be recorded annually

NB: DCCT units of measurement is no longer used, please ensure an IFCC value is recorded.

See conversion table below for further information:


HbA1c (%)


HbA1c (mmol/mol)

4.0 20
6.0 42
6.5 48
7.0 53
7.5 59
8.0 64
9.0 75
10.0 86
12.0 108
14.0 130
16.0 151
Last Updated: 12 October 2021