Z59.1
ICD-10Non-billable categoryInadequate housing
Official ICD-10-CM descriptor (FY2026)
Inadequate housing
Z59.1 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- problems related to the natural and physical environment (Z77.1-)
ICD-10-CM FY2026 defines 4 codes beneath Z59.1. See the ICD-10-CM index for what this site publishes.
Related codes in Z59
- Z59.0Homelessnesscategory
- Z59.2Discord with neighbors, lodgers and landlord
- Z59.3Problems related to living in residential institution
- Z59.4Lack of adequate foodcategory
- Z59.5Extreme poverty
- Z59.6Low income
- Z59.7Insufficient social insurance and welfare supportcategory
- Z59.8Other problems related to housing and economic circumstancescategory
- Z59.9Problem related to housing and economic circumstances, unsp
Where this code sits
- Parent code
- Z59
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.