US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-20 — MEDICAL AID RULES296-20-590WAC 296-20-590WAC 296-20-590. Impairment of upper urinary tractLast amended: 1974Year: 2026Length: 26 wordsOfficial source (1) Rule for evaluation of permanent impairment of upper urinary tract. (a) Categories 2, 3, 4 and 5 include the presence of complaints of whatever nature.PreviousWAC 296-20-580NextWAC 296-20-600