Z59.19 ICD-10-CM Code: Other inadequate housing
Z59.19 is not a CMS-HCC payment code. MEAT criteria · RAF calculator · HCC coding software
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Factors influencing health status and contact with health services (Z00-Z99) / Persons with potential health hazards related to socioeconomic and psychosocial circumstances (Z55-Z65)
Z59.19
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceOther inadequate housing
A person has housing problems not covered by other codes, such as overcrowding, structural damage, or unsafe conditions.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
Official- Pest infestation
- Poor housing weatherization
- Restriction of space
- Technical defects in home preventing adequate care
- Unsatisfactory surroundings
Excludes 2
Official- problems related to the natural and physical environment (Z77.1-)
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for Z59.19 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for Z59.19 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for Z59.19 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for Z59.19 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for Z59.19 in this effective period.
Buddy Documentation Tip
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
Is Z59.19 an HCC code?
No. Z59.19 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
- Code
- Z59.19
- Description
- Other inadequate housing
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF
- —
- Billable
- Yes
- Payment year
- 2026
Coder workflow notes
Get the V28 RAF + MEAT cheat sheet
One printable page: confirm a code's V28 HCC status, its RAF weight, and the MEAT your note needs to make it stick. Free, no card.
Free PDF. No card. Unsubscribe anytime.
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Z59.19 is the ICD-10-CM diagnosis code for other inadequate housing. A person has housing problems not covered by other codes, such as overcrowding, structural damage, or unsafe conditions. Z59.19 sits in the ICD-10-CM chapter for factors influencing health status and contact with health services (z00-z99), within the section covering persons with potential health hazards related to socioeconomic and psychosocial circumstances (z55-z65).
Z59.19 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Use this code only when the housing issue doesn't fit Z59.11 or Z59.12 categories.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for Z59.19 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.