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Biochemistry

HbA1c (Glycated haemoglobin)

HbA1c (Glycated haemoglobin)

Reference Range

20-42 mmol/mol

  • Turnaround Time: 24 hours
Haptoglobin

Haptoglobin

Reference Range

Males        0.14 - 2.58 g/L

Females    0.35 - 2.50 g/L

  • Turnaround Time: 24 hours
Vitamin B12

Vitamin B12

Reference Range

<105 ng/L - B12 deficiency highly likely

105-200 ng/L - B12 deficiency possible (confirm with haematological/clinical findings)

>200 ng/L - B12 deficiency unlikely

*Note clinical advice is provided by Haematology

 

  • Turnaround Time: 1 day
BNP (NT pro-BNP (Brain Natriuretic Peptide)

BNP (NT pro-BNP (Brain Natriuretic Peptide)

Reference Range

Males <60yrs : <85ng/L

Male ≥60yrs: <161ng/L

Female < 60yrs: <144ng/L

Female ≥ 60yrs: <203ng/L

 

Heart failure referral guidelines (NICE):

<400 ng/L: do not refer

400-2000 ng/L: Refer within 6 weeks

>2000 ng/L: Refer urgently (<2 weeks)

 

  • Turnaround Time: 1 Week
HDL Cholesterol

HDL Cholesterol

Reference Range

>1.55 mmol/L

  • Turnaround Time: 1 day

Vitamin D (25-OH VitD)

Reference Range

<15 nmol/L - Severe vitamin D deficiency

15-25 nmol/L - Vitamin D deficiency,

25-50 nmol/L - Vitamin D insufficiency,

50 nmol/L or greater - Adequate vitamin D status.

Signs of vitamin D toxicity maybe seen at levels greater than 250 nmol/L

  • Turnaround Time: 7 Days
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