Nonrheumatic tricuspid valve disorders (I36) ICD-10-CM
The I36 code range covers nonrheumatic tricuspid valve disorders with 6 ICD-10-CM diagnosis codes. 5 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Codes in the I36 Range 6 codes · 5 billable
- I36 Nonrheumatic tricuspid valve disordersNon-billable
- I36.0 Nonrheumatic tricuspid (valve) stenosis
- I36.1 Nonrheumatic tricuspid (valve) insufficiency
- I36.2 Nonrheumatic tricuspid (valve) stenosis with insufficiency
- I36.8 Other nonrheumatic tricuspid valve disorders
- I36.9 Nonrheumatic tricuspid valve disorder, unspecified
About the I36 Code Range
These disorders affect the tricuspid valve and are not rheumatic. They include narrowing, called stenosis, and leakage, called insufficiency.
I36.0 identifies stenosis, I36.1 identifies insufficiency, and I36.2 identifies both. I36.8 covers other nonrheumatic tricuspid valve disorders; I36.9 leaves the disorder unspecified.
Questions About This Page
How many billable codes are in the I36 range?
Of the 6 codes in this range, 5 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the I36 range classify?
The range classifies nonrheumatic tricuspid valve disorders. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
