| Z59.0 | Homelessness | NON-BILLABLE CODE |
| Z59.00 | Homelessness unspecified | BILLABLE CODE |
| Z59.01 | Sheltered homelessness | BILLABLE CODE |
| Z59.02 | Unsheltered homelessness | BILLABLE CODE |
| Z59.1 | Inadequate housing | NON-BILLABLE CODE |
| Z59.10 | Inadequate housing, unspecified | BILLABLE CODE |
| Z59.11 | Inadequate housing environmental temperature | BILLABLE CODE |
| Z59.12 | Inadequate housing utilities | BILLABLE CODE |
| Z59.19 | Other inadequate housing | BILLABLE CODE |
| Z59.2 | Discord with neighbors, lodgers and landlord | BILLABLE CODE |
| Z59.3 | Problems related to living in residential institution | BILLABLE CODE |
| Z59.4 | Lack of adequate food | NON-BILLABLE CODE |
| Z59.41 | Food insecurity | BILLABLE CODE |
| Z59.48 | Other specified lack of adequate food | BILLABLE CODE |
| Z59.5 | Extreme poverty | BILLABLE CODE |
| Z59.6 | Low income | BILLABLE CODE |
| Z59.7 | Insufficient social insurance and welfare support | BILLABLE CODE |
| Z59.8 | Other problems related to housing and economic circumstances | NON-BILLABLE CODE |
| Z59.81 | Housing instability, housed | NON-BILLABLE CODE |
| Z59.811 | Housing instability, housed, with risk of homelessness | BILLABLE CODE |
| Z59.812 | Housing instability, housed, homelessness in past 12 months | BILLABLE CODE |
| Z59.819 | Housing instability, housed unspecified | BILLABLE CODE |
| Z59.82 | Transportation insecurity | BILLABLE CODE |
| Z59.86 | Financial insecurity | BILLABLE CODE |
| Z59.87 | Material hardship due to limited financial resources, not elsewhere classified | BILLABLE CODE |
| Z59.89 | Other problems related to housing and economic circumstances | BILLABLE CODE |
| Z59.9 | Problem related to housing and economic circumstances, unspecified | BILLABLE CODE |
