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To assist in assessing for vitamin deficiency or toxicity, monitor therapeutic interventions, and assist in diagnosing disorders such as acrodermatitis enteropathica.
Serum collected in a trace element-free, royal blue-top tube.
(Method: Atomic absorption spectrophotometry)
|Age||Conventional Units||SI Units (Conventional Units × 0.153)|
|Newborn–6 mo||26–141 mcg/dL||4–21.6 micromol/L|
|6–11 mo||29–131 mcg/dL||4.4–20 micromol/L|
|1–4 yr||31–115 mcg/dL||4.7–17.6 micromol/L|
|4–5 yr||48–119 mcg/dL||7.3–18.2 micromol/L|
|6–9 yr||48–129 mcg/dL||7.3–19.7 micromol/L|
|10–13 yr||25–148 mcg/dL||3.8–22.6 micromol/L|
|14–17 yr||46–130 mcg/dL||7–19.9 micromol/L|
|Adult||70–120 mcg/dL||10.7–18.4 micromol/L|