Z86.12 — Personal history of poliomyelitis
Z86.12 is a billable, specific ICD-10-CM code for personal history of poliomyelitis. It is valid for submission on a claim.
Excludes1 inherited from the categories above Z86.12
These are not written on Z86.12, but they bind it: a note on a category applies to every code beneath it. Billing Z86.12 with anything listed here is a denial.
Risk adjustment
Z86.12 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
Z86.12 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57224Billing and Coding: Respiratory Care
How Z86.12 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 Z86.12.
- History›personal›disease or disorder›infectious›poliomyelitis
The condition this code belongs to
Every code for the condition on one page, which one applies when, and the mistake coders make with it.
Code history
Z86.12 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share Z86.1. If Z86.12 is not quite right, the correct code is usually one of these.
- Z86.11Personal history of tuberculosis
- Z86.13Personal history of malaria
- Z86.14Personal history of Methicillin resistant Staphylococcus aureus infection
- Z86.15Personal history of latent tuberculosis infection
- Z86.16Personal history of COVID-19
- Z86.19Personal history of other infectious and parasitic diseases
Questions about Z86.12
- Is Z86.12 a billable ICD-10-CM code?
- Yes. Z86.12 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z86.12 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).
- What cannot be coded together with Z86.12?
- Z86.12 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z86.12 (Z86.1) and apply to it just the same.