2026 ICD-10-CM Diagnosis Code Z59.19Other inadequate housing
Z59.19 is a billable ICD-10-CM diagnosis code for other inadequate housing. 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 Z59.19.
Present on Admission (POA)Billing
Z59.19 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.
- Adequacy of living space - finding
- Code violation in residence
- Crowded living space
- Damp in house
- Details of local facilities and amenities - finding
- Difficulty storing food hygienically
- Dirty environment
- Dirty living conditions
- Does not store food hygienically
- Environment contains allergens
- Environment contains infectious agent
- Environmental foul odor
- Environmental infestation of insects
- Environmental safety problem
- Finding related to ability to store food hygienically
- Hazards in the home
- Home subject to flooding
- House fumigated
- House in poor repair
- House infested
- House liable to vandalism
- Housing contains exposed wiring
- Housing contains structural barriers to movement
- Housing contains unsafe appliance
- Housing contains unsafe equipment
- Housing structurally unsound
- Housing unsuited to needs
- Improper food storage
- Inadequate carbon monoxide detection equipment in residence
- Inadequate cooking facilities
- Inadequate equipment for safe food storage in residence
- Inadequate exercise space
- Inadequate fire extinguishing equipment in residence
- Inadequate food preparation equipment in residence
- Inadequate garbage disposal
- Inadequate laundry facilities
- Inadequate play space
- Inadequate residential safety device
- Inadequate safety equipment
- Inadequate sanitation
- Inadequate sewage disposal
- Inadequate smoke detection equipment in residence
- Infestation in residence
- Insufficient means of residential entrance
- Insufficient means of residential exit
- Lack of functioning sink in residence
- Lack of functioning toilet in residence
- Lack of space for privacy in accommodation
- Lack of space in house
- Lives in damp conditions
- Lives in squalid conditions
- Living in housing with technical defects
- Living in residence with no sanitation
- Living in residence with poor sanitation
- Living in tent
- No indoor toilet
- Obstructed means of residential entrance
- Obstructed means of residential exit
- Opportunity for privacy in accommodation - finding
- Overcrowded in house
- Penetrating damp in home
- Problem with condensation
- Residence does not meet functional needs
- Residence has external architectural barrier
- Residence inadequately weatherproofed
- Rising damp in home
- Shower or tub on ground level not available
- State of repair of house - finding
- Substandard housing caused by structural insufficiency
- Unable to store food hygienically
- Unsafe floor covering
- Unsafe storage of dangerous objects
- Unsafe storage of dangerous substances
- Wet patches on wall in home
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Pest infestation
- Poor housing weatherization
- Restriction of space
- Technical defects in home preventing adequate care
- Unsatisfactory surroundings
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.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- home, technical, preventing adequate care - Z59.19
- technical defects in home - Z59.19
- space - Z59.19
- specified NEC - Z59.19
- Infestation - B88.9
- pest - Z59.19
- Poor
- housing weatherization - Z59.19
- of housing space - Z59.19
- surroundings - Z59.19
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Defect, defective
- home, technical, preventing adequate care
- Inadequate, inadequacy
- household care, due to
- technical defects in home
- Inadequate, inadequacy
- housing
- space
- Inadequate, inadequacy
- housing
- specified NEC
- Infestation
- pest
- Person(with)
- living (in)
- without
- adequate housing
- space
- Poor
- housing weatherization
- Restriction
- of housing space
- Unsatisfactory
- surroundings
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Code History & ChangesHistory
Replacement Z59.19 replaces the following previously assigned code(s):
- Z59.1 - Inadequate housing
Questions About Z59.19Overview
Is Z59.19 (Inadequate housing) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other inadequate housing on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Can Z59.19 be a principal diagnosis?
No. The Medicare Code Editor rejects this code as a principal diagnosis because other inadequate housing describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.
Is Z59.19 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 other inadequate housing on inpatient claims.
