2026 ICD-10-CM Diagnosis Code Z59.3Problems related to living in residential institution
Z59.3 is a billable ICD-10-CM diagnosis code for problems related to living in residential institution. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Socioeconomic/psychosocial factors.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for Z59.3.
Present on Admission (POA)Billing
Z59.3 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Finding relating to institutionalization
- Institutionalized
- Lives in a children's home
- Lives in a residential home
- Lives in a welfare home
- Lives in accommodation with resident warden
- Lives in accommodation with visiting warden
- Lives in an old peoples home
- Lives in independent group home
- Lives in nursing home
- Lives in staffed home
- Lives in supported home
- Lives in warden attended accommodation
- Lives in warden controlled accommodation
- Living in residential institution
- Patient in institution-permanently
- Problem related to living in residential institution
- Resident in part III accommodation
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Boarding-school resident
Type 1 Excludes
- institutional upbringing Z62.22
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- medical (for) - Z71.9
- boarding school resident - Z59.3
- institutional resident - Z59.3
- boarding school - Z59.3
- residential institution - Z59.3
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Counseling(for)
- medical (for)
- boarding school resident
- Counseling(for)
- medical (for)
- institutional resident
- Person(with)
- living (in)
- boarding school
- Person(with)
- living (in)
- residential institution
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Convert Z59.3 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About Z59.3Overview
Is Z59.3 (Problems related to housing and economic circumstances) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report problems related to living in residential institution on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Can Z59.3 be a principal diagnosis?
No. The Medicare Code Editor rejects this code as a principal diagnosis because problems related to living in residential institution describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.
Is Z59.3 exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for problems related to living in residential institution on inpatient claims.
What is the ICD-9 equivalent of Z59.3?
Under the General Equivalence Mappings, problems related to living in residential institution converts to ICD-9-CM V60.6 (person in resident inst). The mapping is a direct match.
