US lawWashingtonRegulationsTitle 182 — HEALTH CARE AUTHORITYChapter 182-563 — REENTRY SERVICES182-563-500WAC 182-563-500WAC 182-563-500. Documentation requirementsLast amended: 2025Year: 2026Length: 19 wordsOfficial source Providers must fulfill the documentation requirements found in: (1) WAC 182-502-0020 ; and (2) Applicable medicaid agency billing guides.PreviousWAC 182-563-400NextWAC 182-563-600