I36.9 – Nonrheumatic tricuspid valve disorder, unspecified

ICD-10-CM 2027 diagnosis code · Other forms of heart disease

Billable code

ICD-10-CM code I36.9

Code: I36.9 (claims format: I369)
Description: Nonrheumatic tricuspid valve disorder, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: I30-I5A Other forms of heart disease
Parent codes: I36

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

I36 – Nonrheumatic tricuspid valve disorders

Excludes1 (not coded here):

tricuspid valve disorders of unspecified cause (I07.-)
tricuspid valve disorders specified as congenital (Q22.4, Q22.8, Q22.9)
tricuspid valve disorders specified as rheumatic (I07.-)
tricuspid valve disorders with aortic and/or mitral valve involvement (I08.-)

Index terms for I36.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in I36

Frequently asked questions

What is ICD-10 code I36.9?

I36.9 is the ICD-10-CM code for nonrheumatic tricuspid valve disorder, unspecified, in the block I30-I5A (Other forms of heart disease).

Is I36.9 a billable code?

Yes. I36.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I36.9 belong to?

It belongs to category I36 – Nonrheumatic tricuspid valve disorders.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.