Drug Utilization Code T-MSIS Analytic Files (TAF) Claims Research Identifiable Files (RIFs), CCW Codebook, V1, November 2019 Six character field that concatenates three 2-digit codes. The 2 leftmost digits (1st and 2nd characters) are the Reason for Service Code: AD = Additional Drug Needed AN = Prescription Authentication AR = Adverse Drug Reaction AT = Additive Toxicity CD = Chronic Disease Management CH = Call Help Desk CS = Patient Complaint/Symptom DA = Drug-Allergy DC = Drug-Disease (Inferred) DD = Drug-Drug Interaction DF = Drug-Food interaction DI = Drug Incompatibility DL = Drug-Lab Conflict DM = Apparent Drug Misuse DS = Tobacco Use ED = Patient Education/Instruction ER = Overuse EX = Excessive Quantity HD = High Dose IC = Iatrogenic Condition ID = Ingredient Duplication LD = Low Dose LK = Lock In Recipient LR = Underuse MC = Drug-Disease (Reported) MN = Insufficient Duration MS = Missing Information/Clarification MX = Excessive Duration NA = Drug Not Available NC = Non-covered Drug Purchase ND = New Disease/Diagnosis NF = Non-Formulary Drug NN = Unnecessary Drug NP = New Patient Processing NR = Lactation/Nursing Interaction NS = Insufficient Quantity OH = Alcohol Conflict PA = Drug-Age PC = Patient Question/Concern PG = Drug-Pregnancy PH = Preventive Health Care PN = Prescriber Consultation PP = Plan Protocol PR = Prior Adverse Reaction PS = Product Selection Opportunity RE = Suspected Environmental Risk RF = Health Provider Referral SC = Suboptimal Compliance SD = Suboptimal Drug/Indication SE = Side Effect SF = Suboptimal Dosage Form SR = Suboptimal Regimen SX = Drug-Gender TD = Therapeutic TN = Laboratory Test Needed TP = Payer/Processor Question The 3rd and 4th digits are the Professional Service Code: 00 = No intervention AS = Patient assessment CC = Coordination of care DE = Dosing evaluation/determination FE = Formulary enforcement GP = Generic product selection MA = Medication administration M0 = Prescriber consulted MR = Medication review PE = Patient education/instruction PH = Patient medication history PM = Patient monitoring P0 = Patient consulted PT = Perform laboratory test R0 = Pharmacist consulted other source RT = Recommend laboratory test SC = Self-care consultation SW = Literature search/review TC = Payer/processor consulted TH = Therapeutic product interchange The 2 rightmost digits (5th and 6th characters) are the Result of Service Code: 00 = Not Specified 1A = Filled As Is, False Positive 1B = Filled Prescription As Is 1C = Filled, With Different Dose 1D = Filled, With Different Directions 1E = Filled, With Different Drug 1F = Filled, With Different Quantity 1G = Filled, With Prescriber Approval 1H = Brand-to-Generic Change 1J = Rx-to-OTC Change 1K = Filled with Different Dosage Form 2A = Prescription Not Filled 2B = Not Filled, Directions Clarified 3A = Recommendation Accepted 3B = Recommendation Not Accepted 3C = Discontinued Drug 3D = Regimen Changed 3E = Therapy Changed 3F = Therapy Changed-cost increased acknowledged 3G = Drug Therapy Unchanged 3H = Follow-Up/Report 3J = Patient Referral 3K = Instructions Understood 3M = Compliance Aid Provided 3N = Medication Administered Null/missing = source value is missing or unknown