A Clear FIB-4 Calculator Guide to AST, ALT and Platelets
FIB-4 calculator math is simple, yet in one US study 10% of low-risk results were not low risk on stiffness testing. See what that means.
AST Blood Test
Know What a FIB-4 Above 1.3 Means for Your Next Test
FIB-4 above 1.3 flags a second test, not a diagnosis. Over 65 the cutoff is 2.0, and age alone can lift the score
A Clear Read on an AST/ALT Ratio Above 2 in Your Labs
An AST/ALT ratio above 2 points to advanced liver injury more than drinking: 64% of 313 people in alcohol withdrawal had a ratio of 1.0 or less.
The Right Next Step for a High AST Normal ALT Result
High AST with normal ALT often points beyond the liver. See how ACG guidance sorts muscle, heart and hemolysis causes by test.
A Clear Look at High AST Levels Under 3× Normal
High AST levels that are only mildly raised are common, per Mayo Clinic. Know which symptoms mean you should not wait to retest.
A Clear Guide to Reading the AST Normal Range on Your Lab Report
The AST normal range on your report may differ from what you read online: about 1 in 20 healthy people fall outside it.
Your AST Blood Test Came Back High, So What Should You Ask Next
AST blood test results can come from liver, muscle or heart, so one number cannot show where the rise began. Here is how to read yours.