*When we state that Laboratory Alliance cannot use a microtainer or finger/heel stick blood, the reason is not because of the quantity of blood. Some lab tests cannot use capillary blood because there are slight differences in the composition of capillary blood vs. venous blood. These differences would interfere with the test methodology and would cause inaccuracies if performed with capillary blood. **Neonates with high HCT’s will need more blood than listed 3/2017 What is the required specimen amount when collecting a blood culture from an infant?The standard method is to collect at least 5 to 10 ml blood per culture bottle from patients with fevers.
How much blood can you draw from an infant?According to research on safe blood draws in infants, it is recommended by several studies and guidelines that the maximum amount of blood drawn from infants and children in 24 hours be between 1% and 5% of the total blood volume (TBV) of the child. Ideally, the amount should be less than 3% of the TBV.
How is blood drawn from a 9 month old?In babies, blood draws are sometimes done as a "heel stick collection." After cleaning the area, the health professional will prick your baby's heel with a tiny needle (or lancet) to collect a small sample of blood. Collecting a sample of blood is only temporarily uncomfortable and can feel like a quick pinprick.
What is the preferred method of collecting blood from infants and neonates?Blood collection from the heel is the standard for newborn screening. The medial and lateral parts of the underfoot are preferred.
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What is the required specimen amount when collecting blood culture on an infant?
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