Albumin and Albumin/Globulin Ratio
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Alb, A/G ratio.
To assess liver or kidney function and nutritional status.
Serum collected in a gold-, red-, or red/gray-top tube. Plasma collected in a green-top (heparin) tube is also acceptable.
(Method: Spectrophotometry) Normally, the albumin/globulin (A/G) ratio is greater than 1.
|Age||Conventional Units||SI Units (Conventional Units × 10)|
|Cord||2.8–4.3 g/dL||28–43 g/L|
|Newborn–7 d||2.6–3.6 g/dL||26–36 g/L|
|8–30 d||2–4.5 g/dL||20–45 g/L|
|1–3 mo||2–4.8 g/dL||20–48 g/L|
|4–6 mo||2.1–4.9 g/dL||21–49 g/L|
|7–12 mo||2.1–4.7 g/dL||21–47 g/L|
|1–3 yr||3.4–4.2 g/dL||34–42 g/L|
|4–6 yr||3.5–5.2 g/dL||35–52 g/L|
|7–19 yr||3.7–5.6 g/dL||37–56 g/L|
|20–40 yr||3.7–5.1 g/dL||37–51 g/L|
|41–60 yr||3.4–4.8 g/dL||34–48 g/L|
|61–90 yr||3.2–4.6 g/dL||32–46 g/L|
|Greater than 90 yr||2.9–4.5 g/dL||29–45 g/L|