ICD-10-CM > Z00-Z99 > Z55-Z65 > Z59 > Z59.8 > Z59.81 > Z59.819 Z59.819 Housing instability, housed unspecified Billable/Specific Copy Code Copy Description Type 2 Excludes extreme poverty (Z59.5)financial insecurity (Z59.86-)low income (Z59.6)material hardship due to limited financial resources, not elsewhere classified (Z59.87)