Admission Hour T-MSIS Analytic Files (TAF) Claims Research Identifiable Files (RIFs), CCW Codebook, V1, November 2019 00 = 0:00-0:59 01 = 1:00-1:59 02 = 2:00-2:59 03 = 3:00-3:59 04 = 4:00-4:59 05 = 5:00-5:59 06 = 6:00-6:59 07 = 7:00-7:59 08 = 8:00-8:59 09 = 9:00-9:59 10 = 10:00-10:59 11 = 11:00-11:59 12 = 12:00-12:59 13 = 13:00-13:59 14 = 14:00-14:59 15 = 15:00-15:59 16 = 16:00-16:59 17 = 17:00-17:59 18 = 18:00-18:59 19 = 19:00-19:59 20 = 20:00-20:59 21 = 21:00-21:59 22 = 22:00-22:59 23 = 23:00-23:59 Null/missing = source value is missing or unknown