Davis's Lab & Diagnostic Tests
Albumin and Albumin/Globulin Ratio
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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.
| Age | Conventional Units | SI Units (Conventional Units × 10) | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Newborn | 2.6–3.6 g/dL | 26–36 g/L | |||||||||||||||||||||||||||||||||||||||
| Child | 3.4–5.2 g/dL | 34–42 g/L | |||||||||||||||||||||||||||||||||||||||
| Adult | 3.7–5.1 g/dL | 37–51 g/L | |||||||||||||||||||||||||||||||||||||||
| Older Adult | 3.2–4.6 g/dL | 32–46 g/L | |||||||||||||||||||||||||||||||||||||||
| Greater than 90 yr | 2.9–4.5 g/dL | 29–45 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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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.
| Age | Conventional Units | SI Units (Conventional Units × 10) | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Newborn | 2.6–3.6 g/dL | 26–36 g/L | |||||||||||||||||||||||||||||||||||||||
| Child | 3.4–5.2 g/dL | 34–42 g/L | |||||||||||||||||||||||||||||||||||||||
| Adult | 3.7–5.1 g/dL | 37–51 g/L | |||||||||||||||||||||||||||||||||||||||
| Older Adult | 3.2–4.6 g/dL | 32–46 g/L | |||||||||||||||||||||||||||||||||||||||
| Greater than 90 yr | 2.9–4.5 g/dL | 29–45 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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