Liver Function Test (LFT)
Blood
Liver
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Liver Function Test (LFT) Normal Reference Ranges
Reference ranges vary somewhat by lab and testing method.
| Parameter | Normal Range |
|---|---|
| ALT (SGPT) | 7–56 U/L |
| AST (SGOT) | 10–40 U/L |
| Total Bilirubin | 0.1–1.2 mg/dL |
| Albumin | 3.5–5.0 g/dL |
| Alkaline Phosphatase | 44–147 U/L |
Mildly elevated ALT and AST are relatively common and often reflect fatty liver or recent alcohol use, while sharply elevated levels (several times the upper limit) usually indicate acute liver injury such as viral hepatitis or drug toxicity and warrant prompt medical attention.
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Quick Facts
CategoryLiver
Specimen TypeBlood
Organ SystemLiver
Available At0 labs
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