Z59.812 — Housing instability, housed, homelessness in past 12 months
Is Z59.812 billable?
Yes — Z59.812 is billable for FY2027. Z59.812 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z59.812 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Z59.812 at a glance
| Code | Z59.812 |
|---|---|
| Description | Housing instability, housed, homelessness in past 12 months |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z59.812?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z59.812 directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does Z59.812 group to?
Z59.812 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 951Other Factors Influencing Health Statusmedical
How is Z59.812 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z59.812. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Instability › housing › housed › homelessness in past 12 months
Excludes2 — not included here — inherited from Z59
The conditions below are not part of Z59.812, but a patient may have both at the same time. When documentation supports it, Z59.812 and the excluded code may both be reported.
- problems related to upbringing (Z62.-)
How long has Z59.812 existed?
Z59.812 first appears in FY2022.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.