Folic acid in erythrocytes (EDTA blood (eb))

Specimens:	1 ml EDTA blood (eb)
Preanalytics/Notes:	Immediate dispatch to the laboratory because of the limited stability of the sample (2 days at room temperature). Patients receiving high doses of biotin (> 5 mg / day) should be sampled at least 8 hours after the last application, as high levels of biotin may interfere with the test system.
Method:	ECLIA
Dimension:	ng/ml
Alternate dimension:	nmol/l (Factor: 2.7) Calculator
Set-up:	Mon Tue Wed Thu Fri Sat Sun
Duration:	1 day
Indication/Significance:	Differentiation between latent and manifest folic acid deficiency Diagnostic assessment of macrocytic anaemia
Interpretation:	Decreased: Indication of more… Decreased: Indication of manifest folic acid deficiency (megaloblastic anaemia). Causes of decreased levels are an unbalanced diet, synthesis disorders due to long-term therapy with folic acid antagonists or decreased values owing to resorption disorders e.g. in the case of chronic inflammatory bowel diseases, anti-epileptic agents, oestrogen (contraceptives). close
Further tests:	Vitamin B12, holotranscobalamin, vitamin B6

both sex
	523 - 1257 ng/ml