Use method to reduce ICD-10 problem by initially finding only relevant codes in the map, then populating map only with the exact patient ICD codes (not the original map codes), before doing 'comorbid_common'
icd10_comorbid_reduce(x = x, map = map, visit_name = visit_name,
icd_name = icd_name, short_code = short_code, short_map = short_map,
return_df = return_df, ...)