About the INSULIN – FASTING
Evaluate liver injury.
Sample Required
Blood (venous sample).
Fasting Requirement
Overnight 8–12 hours fasting required.
Why is this Test Done?
- Evaluate liver injury.
- Interpret with ALT and CK.
General Reference Range
- ~0–40 U/L
What Abnormal Results Mean
Elevated AST seen in hepatitis, muscle injury; AST/ALT ratio may aid etiology.





