ICD-10-CM > Z00-Z99 > Z55-Z65 > Z59 > Z59.8 > Z59.81 Z59.81 Housing instability, housed Non-Billable/Non-Specific Applicable To Foreclosure on home loanPast due on rent or mortgageUnwanted multiple moves in the last 12 months Codes Z59.811Housing instability, housed, with risk of homelessnessZ59.812Housing instability, housed, homelessness in past 12 monthsZ59.819Housing instability, housed unspecified