Billable / Specific Code
ICD-10-CM I23.6 is the diagnosis code for Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction. This code falls under the section "Ischemic heart diseases" 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 I23.6. They are mutually exclusive:
Understanding where I23.6 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I23.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I23.6 is the ICD-10-CM diagnosis code for "Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I23.6 is I23 ("Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)"). I23.6 provides a more specific classification within this category.
I23.6 is located in Section I20-I25 — "Ischemic heart diseases" within Chapter 9 of the ICD-10-CM Tabular List.
Use I23.6 when the patients documented diagnosis matches "Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction" 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 Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction is I23.6.
Yes, I23.6 can be used as a primary diagnosis code since it is billable and specific.
I23.6 is in Chapter 9 of the ICD-10-CM Tabular List.
Type 1 Excludes for I23.6 include: thrombosis of atrium, auricular appendage, and ventricle not specified as current complication following acute myocardial infarction (I51.3).
Yes, I23.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.