US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-20 — MEDICAL AID RULES296-20-550WAC 296-20-550WAC 296-20-550. Liver and biliary tract impairmentsLast amended: 1974Year: 2026Length: 23 wordsOfficial source (1) Rule for evaluation of permanent liver and biliary tract impairments. (a) Categories 2, 3, 4 and 5 include complaints of whatever degree.PreviousWAC 296-20-540NextWAC 296-20-560