ICD-10-CM > Z00-Z99 > Z55-Z65 > Z59 > Z59.4 Z59.4 Lack of adequate food Non-Billable/Non-Specific Type 2 Excludes deprivation of food (T73.0)effects of hunger (T73.0)inappropriate diet or eating habits (Z72.4)malnutrition (E40-E46) Codes Z59.41Food insecurityZ59.48Other specified lack of adequate food