Billable / Specific Code
ICD-10-CM I43 is the diagnosis code for Cardiomyopathy in diseases classified elsewhere. This code falls under the section "Other forms of heart disease" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 I43. They are mutually exclusive:
Understanding where I43 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I43 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I43 is the ICD-10-CM diagnosis code for "Cardiomyopathy in diseases classified elsewhere". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
I43 is located in Section I30-I5A — "Other forms of heart disease" within Chapter 9 of the ICD-10-CM Tabular List.
Use I43 when the patients documented diagnosis matches "Cardiomyopathy in diseases classified elsewhere" 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 Cardiomyopathy in diseases classified elsewhere is I43.
Yes, I43 can be used as a primary diagnosis code since it is billable and specific.
I43 is in Chapter 9 of the ICD-10-CM Tabular List.
Type 1 Excludes for I43 include: cardiomyopathy (in):; coxsackie (virus) (B33.24); diphtheria (A36.81) and more.
Yes, I43 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.