Albumin and Albumin/Globulin Ratio

Albumin and Albumin/Globulin Ratio is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
Alb, A/G ratio.

Rationale
To assess liver or kidney function and nutritional status.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
(Method: Spectrophotometry) Normally, the A/G ratio is greater than 1.

AgeConventional UnitsSI Units (Conventional Units × 10)
Newborn2.6–3.6 g/dL26–36 g/L
Child3.4–5.2 g/dL34–42 g/L
Adult3.7–5.1 g/dL37–51 g/L
Older Adult3.2–4.6 g/dL32–46 g/L
Greater than 90 yr2.9–4.5 g/dL29–45 g/L
Albumin levels are affected by posture. Results from specimens collected in an upright posture are higher than results from specimens collected in a supine position.

Critical Findings and Potential Interventions
N/A

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