Lab values
Normal Liver and Pancreas Lab Values
Adult reference ranges in US units with the SI equivalent. Ranges differ a little between labs; use your lab’s printed range.
| Test | US units | SI units | Notes |
|---|---|---|---|
| ALT | 4–36 units/L | 4–36 U/L | |
| AST | 8–33 units/L | 8–33 U/L | |
| Alkaline phosphatase | 30–120 units/L | 30–120 U/L | |
| Bilirubin, total | 0.3–1.0 mg/dL | 5–17 µmol/L | |
| Albumin | 3.4–5.4 g/dL | 34–54 g/L | |
| Ammonia | 10–80 mcg/dL | 6–47 µmol/L | |
| Amylase | 30–110 units/L | 30–110 U/L | |
| Lipase | 0–160 units/L | 0–160 U/L |
Study the labs
- ABG Interpretation in 6 StepspH, PaCO₂, HCO₃⁻, compensation, anion gap and oxygenation, with worked examples
- Electrolyte ImbalancesNa, K, Ca, Mg and phos: normals, ECG clues, safe replacement, hyperkalemia steps
- Pediatric Assessment and EmergenciesPAT, vital signs, airway infections, febrile seizures, dehydration, arrest, choking and abuse
Other lab values
- Chemistry
- Hematology
- Coagulation
- Arterial blood gas
- Cardiac
- Therapeutic drug levels
- Urine
- Pregnancy and postpartum
- Newborn
- Pediatric vital signs by age
- Pediatric labs that differ from adults
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Sources
- MedlinePlus Medical Encyclopedia ranges (National Library of Medicine, reviewed 2024–2026); ABIM laboratory reference ranges (January 2026) for hemoglobin, hematocrit and potassium; Merck Manual for ionized calcium; the heparin label for the aPTT target; ASHP/IDSA 2020 vancomycin guideline
For education and exam preparation only. Follow your institution’s protocols. Typical adult values for study. Follow your local protocols and medical direction.