I49.4
Non-Billable

Other and unspecified premature depolarization

Non-Billable / Non-Specific Code

What is Other and unspecified premature depolarization?

ICD-10-CM I49.4 is the diagnosis code for Other and unspecified premature depolarization. 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.

Coding Guidelines for I49.4

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where I49.4 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeI49.4 — Other and unspecified premature depolarization
Sub-Codes (2)
Sub-Codes 2 entries
I49.40Unspecified premature depolarizationBillableI49.49Other premature depolarizationBillable
Related Codes

Frequently Asked Questions

Is I49.4 a billable ICD-10-CM code?

No, I49.4 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does I49.4 mean?

I49.4 is the ICD-10-CM diagnosis code for "Other and unspecified premature depolarization". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of I49.4?

The parent code of I49.4 is I49 ("Other cardiac arrhythmias"). I49.4 provides a more specific classification within this category.

What section is I49.4 in?

I49.4 is located in Section I30-I5A — "Other forms of heart disease" within Chapter 9 of the ICD-10-CM Tabular List.

What are the sub-codes of I49.4?

I49.4 has 2 sub-code(s) that provide more specific detail: I49.40, I49.49.

When should I use I49.4?

Use I49.4 when the patients documented diagnosis matches "Other and unspecified premature depolarization" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other and unspecified premature depolarization?

The ICD-10-CM code for Other and unspecified premature depolarization is I49.4.

Can I49.4 be used for primary diagnosis?

No, I49.4 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is I49.4 in?

I49.4 is in Chapter 9 of the ICD-10-CM Tabular List.

Is I49.4 valid for 2026?

Yes, I49.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousI49.3Ventricular premature depolarizationNext →I49.40Unspecified premature depolarization
Code Details
I49.4
Other and unspecified premature depolarization
Non-Billable / Non-Specific Code
9 — Diseases of the circulatory system (I00-I99)
I30-I5A — Other forms of heart disease
2026 ICD-10-CM