Non-Billable / Non-Specific Code
ICD-10-CM I36 is the diagnosis code for Nonrheumatic tricuspid valve disorders. This code falls under the section "Other forms of heart disease" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as I36. They are mutually exclusive:
Understanding where I36 sits in the ICD-10-CM classification helps ensure proper coding:
No, I36 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I36 is the ICD-10-CM diagnosis code for "Nonrheumatic tricuspid valve disorders". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
I36 is located in Section I30-I5A — "Other forms of heart disease" within Chapter 9 of the ICD-10-CM Tabular List.
I36 has 5 sub-code(s) that provide more specific detail: I36.0, I36.1, I36.2, I36.8, I36.9.
Use I36 when the patients documented diagnosis matches "Nonrheumatic tricuspid valve disorders" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Nonrheumatic tricuspid valve disorders is I36.
No, I36 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I36 is in Chapter 9 of the ICD-10-CM Tabular List.
Type 1 Excludes for I36 include: 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.-) and more.
Yes, I36 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.