Z86.718 — Personal history of other venous thrombosis and embolism
Z86.718 is a billable, specific ICD-10-CM code for personal history of other venous thrombosis and embolism. It is valid for submission on a claim.
Other codes that can never be billed with Z86.718
These codes carry an Excludes1 note pointing at Z86.718. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Z86.718 alone.
Risk adjustment
Z86.718 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
Z86.718 is named in 15 Medicare coverage policies — 15 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56697Billing and Coding: Non-Invasive Vascular Studies
- A56758Billing and Coding: Non-Invasive Vascular Studies
- A56943Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment
How Z86.718 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 Z86.718.
- Thrombosis, thrombotic›history(of)
- Thrombosis, thrombotic›personal history(of)
- History›personal›embolism(venous)
- History›personal›thrombosis(venous)
- History›personal›venous thrombosis or embolism
Related codes at this level
Codes that share Z86.71. If Z86.718 is not quite right, the correct code is usually one of these.
Questions about Z86.718
- Is Z86.718 a billable ICD-10-CM code?
- Yes. Z86.718 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z86.718 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).