LFTs -liver function tests, are quite accurate for liver damage in alcoholic and non-alcoholic liver disease. The following REF demonstrates high sensitivity to liver damage:

REF: https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC3609680/

However, the gold standard is a liver biopsy of which I have seen 1000s as a surgical pathologist. The biopsy can even potentially assess potential damage, as acute inflammation in a fatty liver of whatever cause is indicative of rapidly progressing severe disease.

REF:

https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC4887345/

Finally, thank you for this important article. Please accept my since condolences of your Father's death from Alcoholic Liver Disease - not a pleasant way to exit life IMO. Blessings to you and your family.

Peace (needed more than ever),

Peter H. Dohan, MD

sane Portland Maine