ICD-10-CM > R00-R99 > R70-R79 > R73 > R73.0 R73.0 Abnormal glucose Non-Billable/Non-Specific Type 1 Excludes abnormal glucose in pregnancy (O99.81-)diabetes mellitus (E08-E13)dysmetabolic syndrome X (E88.81-)gestational diabetes (O24.4-)glycosuria (R81)hypoglycemia (E16.2)type 1 diabetes mellitus, presymptomatic (E10.A-) Codes R73.01Impaired fasting glucoseR73.02Impaired glucose tolerance (oral)R73.03PrediabetesR73.09Other abnormal glucose