Non-Billable / Non-Specific Code
ICD-10-CM I49 is the diagnosis code for Other cardiac arrhythmias. 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 I49. If the patient has both, code each condition separately:
Understanding where I49 sits in the ICD-10-CM classification helps ensure proper coding:
No, I49 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I49 is the ICD-10-CM diagnosis code for "Other cardiac arrhythmias". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
I49 is located in Section I30-I5A â "Other forms of heart disease" within Chapter 9 of the ICD-10-CM Tabular List.
I49 has 8 sub-code(s) that provide more specific detail: I49.0, I49.1, I49.2, I49.3, I49.4 and more.
Use I49 when the patients documented diagnosis matches "Other cardiac arrhythmias" 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 Other cardiac arrhythmias is I49.
No, I49 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I49 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I49 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.