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Fluid Analysis Guidelines

Only the fluid types below and specific analyses tabled are now allowable in Telepath and ICE. Where a fluid type or analysis is not allowable in Telepath please book as miscellaneous and then contact the Duty Biochemist before analysis is performed.

All fluids must be centrifuged and then analysed only if free from particles.

biochemistry, blood sciences, clinical advice

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Haemoglobin A1c and the diagnosis of diabetes mellitus

Conventionally diabetes mellitus has been diagnosed by high fasting or random blood glucose concentrations, or abnormal oral glucose tolerance tests (OGTT). Haemoglobin A1c (HbA1c) has been used to monitor longer term glycaemic control in patients with known diabetes mellitus.

In 2011, the World Health Organisation (WHO 2011) recommended that HbA1c measurements should also be used to diagnose diabetes in the majority of asymptomatic individuals, and this recommendation has been agreed in the UK (NHS Diabetes 2011).

HbA1c of 48 mmol/mol or more (≥ 6.5%) is consistent with diabetes: if the patient has no symptoms then a second HbA1c result must be obtained within 2 weeks, and if ≥ 48 mmol/mol (≥ 6.5%) confirms diabetes mellitus.

HbA1c values of 42 to 47 mmol/mol (6.0 to 6.4%) suggest a high risk of future diabetes. Such individuals should be offered structured lifestyle education and support to delay/prevent development of diabetes, and have an annual HbA1c test

biochemistry, specialist testing, clinical advice

Read more: Haemoglobin A1c and the diagnosis of diabetes mellitus

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Tests not appearing on this scope are either under consideration or in the process of accreditation and so currently remain outside of our scope of accreditation. However, these tests have been validated to the same high standard as accredited tests and are performed by the same trained and competent staff.

For further information contact Louise Fallon, Quality Manager, 0121 424 1235

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