I23.6
Billable codeThrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
The ICD-10 code for thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction is I23.6.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- thrombosis of atrium, auricular appendage, and ventricle not specified as current complication following acute myocardial infarction (I51.3)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I23.0Hemopericardium as current complication following acute myocardial infarction
- I23.1Atrial septal defect as current complication following acute myocardial infarction
- I23.2Ventricular septal defect as current complication following acute myocardial infarction
- I23.3Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction
- I23.4Rupture of chordae tendineae as current complication following acute myocardial infarction
- I23.5Rupture of papillary muscle as current complication following acute myocardial infarction
- I23.7Postinfarction angina
- I23.8Other current complications following acute myocardial infarction
- I23.6Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 42979Approximate match
Associated MS-DRGs
I23.6 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.