I49.89 ICD-10-CM Code: Other specified cardiac arrhythmias not elsewhere classified
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
I49.89Other specified cardiac arrhythmias not elsewhere classified
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where I49.89 sits
- 1
Chapter 9
Diseases of the circulatory system (I00-I99)
- 2
Section
Other forms of heart disease (I30-I5A)
- 3
Category I49
Other cardiac arrhythmias
- 4
Subcategory I49.8
Other specified cardiac arrhythmias
- 5
Code I49.89
Other specified cardiac arrhythmias not elsewhere classified
Documentation details
Notes for this code
Inclusion terms
- Coronary sinus rhythm disorder
- Ectopic rhythm disorder
- Nodal rhythm disorder
Code first
No “code first” instruction is listed for I49.89.
Use additional code
No “use additional code” instruction is listed for I49.89.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for I49.89.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I49.89.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code I49.89 mean?
I49.89 is the FY 2027 U.S. ICD-10-CM code for “Other specified cardiac arrhythmias not elsewhere classified.”
Is I49.89 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, I49.89 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is I49.89 located in ICD-10-CM?
I49.89 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Other forms of heart disease (I30-I5A) (I30–I5A), under category I49, Other cardiac arrhythmias and subcategory I49.8, Other specified cardiac arrhythmias.
What coding notes are listed for I49.89?
Its listed inclusion terms are Coronary sinus rhythm disorder; Ectopic rhythm disorder; Nodal rhythm disorder. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
Keep exploring
Related I49.8 codes
Ready to transform your clinical documentation?
Join Vero and see how effortless documentation can be.
No credit card required
Cancel anytime