Fibrosis-4 Score

**Semantic type:** Intellectual Product

**Definition:** A noninvasive test to assess hepatic fibrosis that utilizes common laboratory findings according to the formula: age (years) x aspartate aminotransferase (AST) [U/L]/(platelets [10^9/L] x alanine aminotransferase (ALT) [U/L])^1/2).

**Synonyms:** - FIB-4 - FIB-4 Index - FIB-4 Score - FIB4 - FIB4IDX - Fibrosis-4 Index - Fibrosis-4 Index