Non-Billable / Non-Specific Code
ICD-10-CM I35 is the diagnosis code for Nonrheumatic aortic valve disorders. This code falls under the section "Other forms of heart disease" within Chapter 9 â 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 are not included in I35. If the patient has both, code each condition separately:
Understanding where I35 sits in the ICD-10-CM classification helps ensure proper coding:
No, I35 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I35 is the ICD-10-CM diagnosis code for "Nonrheumatic aortic valve disorders". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
I35 is located in Section I30-I5A â "Other forms of heart disease" within Chapter 9 of the ICD-10-CM Tabular List.
I35 has 5 sub-code(s) that provide more specific detail: I35.0, I35.1, I35.2, I35.8, I35.9.
Use I35 when the patients documented diagnosis matches "Nonrheumatic aortic 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 aortic valve disorders is I35.
No, I35 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I35 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I35 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.