I23.6 – Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction

ICD-10-CM 2027 diagnosis code · Ischemic heart diseases

Billable code

ICD-10-CM code I23.6
Code
I23.6 (claims format: I236)
Description
Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
Short description
Thombos of atrium/auric append/ventr as current comp fol AMI
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
9. Diseases of the circulatory system (I00-I99)
Block
I20-I25 Ischemic heart diseases
Parent codes
I23

Notes for I23.6

Excludes1 (not coded here):
  • thrombosis of atrium, auricular appendage, and ventricle not specified as current complication following acute myocardial infarction (I51.3)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block I20-I25

Code also:
  • the presence of hypertension (I10-I1A)

Index terms for I23.6

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in I23

Frequently asked questions

What is ICD-10 code I23.6?

I23.6 is the ICD-10-CM code for thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction, in the block I20-I25 (Ischemic heart diseases).

Is I23.6 a billable code?

Yes. I23.6 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I23.6 belong to?

It belongs to category I23 – Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period).

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.