Z59.811 Housing instability, housed, with risk of homelessness

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis. Exempt from present-on-admission (POA) reporting.

Applicable to

• Imminent risk of homelessness

Applies from Z59 Problems related to housing and economic circumstances

Excludes2 (not included here)

• problems related to upbringing (Z62.-)

Applies from Z59.81 Housing instability, housed

Applicable to

• Foreclosure on home loan
• Past due on rent or mortgage
• Unwanted multiple moves in the last 12 months

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z59.811

Back-references to Z59.8

• Type 2 Excludes: Z59.12 Inadequate housing utilities ("other problems related to housing and economic circumstances (Z59.8-)")

Back-references to Z59

• Type 2 Excludes: Z56 Problems related to employment and unemployment ("problems related to housing and economic circumstances (Z59.-)")
• Type 2 Excludes: Z62 Problems related to upbringing ("problems related to housing and economic circumstances (Z59.-)")
• Type 2 Excludes: Z72 Problems related to lifestyle ("problems related to socioeconomic and psychosocial circumstances (Z55-Z65)")
• Type 2 Excludes: Z73 Problems related to life management difficulty ("problems related to socioeconomic and psychosocial circumstances (Z55-Z65)")

Diagnosis Index entries for Z59.811

• Instability › housing › housed › with risk of homelessness
• Risk › for › homelessness, imminent

Nearby codes

• Z59.7 Insufficient social insurance and welfare support
• Z59.71 Insufficient health insurance coverage
• Z59.72 Insufficient welfare support
• Z59.8 Other problems related to housing and economic circumstances
• Z59.81 Housing instability, housed
• Z59.811 Housing instability, housed, with risk of homelessness (this code)
• Z59.812 Housing instability, housed, homelessness in past 12 months
• Z59.819 Housing instability, housed unspecified
• Z59.82 Transportation insecurity
• Z59.86 Financial insecurity
• Z59.861 Financial insecurity, difficulty paying for utilities