Is Z91.89 a billable ICD-10-CM code?

Yes. Z91.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z91.89 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 family and personal history and certain conditions influencing health status (Z77-Z99).

Z91.89

Z91.89 — Other specified personal risk factors, not elsewhere classified

Billable / specific codeICD-10-CMPOA exempt

Z91.89 is a billable, specific ICD-10-CM code for other specified personal risk factors, not elsewhere classified. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Increased risk for social isolation

Risk adjustment

Z91.89 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.

Medicare coverage

Z91.89 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52421Billing and Coding: Ibandronate Sodium
A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
A56779Billing and Coding: Intravenous Immune Globulin

How Z91.89 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 Z91.89.

Maltreatment›personal history of
Problem›personal hygiene
At risk›for›social isolation
Failure, failed›Note: heart failure stages A, B, C, and D are based on the American College of Cardiology and American Heart Association stages of heart failure, which complement and should not be confused with the New York Heart Association Classification of Heart Failure, into Class I, Class II, Class III, and Class IV›stage A
History›personal›maltreatment
History›personal›poisoning NEC
History›personal›poor personal hygiene
History›personal›risk factors NEC

Related codes at this level

Codes that share Z91.8. If Z91.89 is not quite right, the correct code is usually one of these.

Questions about Z91.89

Is Z91.89 a billable ICD-10-CM code?: Yes. Z91.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z91.89 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 family and personal history and certain conditions influencing health status (Z77-Z99).