I36Header code — not billable

Nonrheumatic tricuspid valve disorders

Chapter
9. Diseases of the circulatory system
Category
I36
Effective date
October 1, 2026

Related codes in category I36

I36.0Nonrheumatic tricuspid (valve) stenosisYesI36.1Nonrheumatic tricuspid (valve) insufficiencyYesI36.2Nonrheumatic tricuspid (valve) stenosis with insufficiencyYesI36.8Other nonrheumatic tricuspid valve disordersYesI36.9Nonrheumatic tricuspid valve disorder, unspecifiedYes

Frequently asked questions

What is ICD-10 code I36?

I36 is an ICD-10-CM diagnosis code for Nonrheumatic tricuspid valve disorders.

Is I36 a billable code?

No. I36 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is I36 in?

I36 falls under Chapter 9: Diseases of the circulatory system.

When did I36 become effective?

I36 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I36?

I36 belongs to category I36, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.