Is Z59.819 a billable ICD-10-CM code?

Yes. Z59.819 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z59.819 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to socioeconomic and psychosocial circumstances (Z55-Z65).

Z59.819

Z59.819 — Housing instability, housed unspecified

Billable / specific codeICD-10-CMPOA exempt

Z59.819 is a billable, specific ICD-10-CM code for housing instability, housed unspecified. It is valid for submission on a claim.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

extreme poverty (Z59.5)
financial insecurity (Z59.86-)
low income (Z59.6)
material hardship due to limited financial resources, not elsewhere classified (Z59.87)

Risk adjustment

Z59.819 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How Z59.819 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z59.819.

Instability›housing›housed

Related codes at this level

Codes that share Z59.81. If Z59.819 is not quite right, the correct code is usually one of these.

Questions about Z59.819

Is Z59.819 a billable ICD-10-CM code?: Yes. Z59.819 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z59.819 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to socioeconomic and psychosocial circumstances (Z55-Z65).