ALT

An ALT test measures the amount of ALT in your blood. This test is commonly used to help diagnose liver damage or disease.

An ALT blood test is often part of a routine blood screening to check the health of your liver. The test may also help diagnose or monitor liver problems.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

16 published ranges, each from a named source
Normal
10–40 U/L
Ranges from American Board of Internal Medicine (Laboratory Test Reference Ranges), Mayo Clinic Laboratories (Pediatric Test Catalog).

All source ranges (16)

What an abnormal result can be associated with

A high result
Elevated circulating alanine aminotransferase concentration
Associations from LOINC2HPO (Human Phenotype Ontology). This is reference information, not a diagnosis: only a clinician can interpret your result in context.
details
Sample
Serum or plasma · LOINC
Part of
Bryan Johnson Blueprint · Comprehensive metabolic panel · Hepatic function panel
Monitored for
Dyslipidemia
Listed under
Cirrhosis · Gallbladder Cancer · Hemochromatosis · Hepatitis · Hepatitis A · Hepatitis B · Hepatitis C · Jaundice · Liver Cancer · Liver Diseases
Code
LOINC 1742-6 · U/L
Also known as
Alanine aminotransferase, ALAT, ALT, SGPT, Alpha alanine
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