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ICD-10-CM Code I23.1
Atrial septal defect as current complication following acute myocardial infarction

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Adult Only
Adult Only
Code is only used for patients 15 years old or older.
| ICD-10 from 2011 - 2016

I23.1 is a billable ICD code used to specify a diagnosis of atrial septal defect as current complication following acute myocardial infarction. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code I23 is used to code Coronary artery disease

Coronary artery disease (CAD), also known as ischemic heart disease (IHD), is a group of diseases that includes: stable angina, unstable angina, myocardial infarction, and sudden coronary death. It is within the group of cardiovascular diseases of which it is the most common type. A common symptom is chest pain or discomfort which may travel into the shoulder, arm, back, neck, or jaw. Occasionally it may feel like heartburn. Usually symptoms occur with exercise or emotional stress, last less than a few minutes, and get better with rest. Shortness of breath may also occur and sometimes no symptoms are present. The first sign is occasionally a heart attack. Other complications include heart failure or an irregular heartbeat.

Specialty: Cardiology, Cardiac Surgery
MeSH Codes: D003324, D003324, D003324, D003324, D003324, D003324
ICD 9 Codes: 410, 411, 412, 413, 414, 429.2

Illustration depicting atherosclerosis in a coronary artery.

Source: Wikipedia

Coding Notes for I23.1 Info for medical coders on how to properly use this ICD-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Acquired atrial septal defect not specified as current complication following acute myocardial infarction - instead, use code I51.0

MS-DRG Mapping

  • DRG Group #314-316 - Other circulatory system diagnoses with MCC.
  • DRG Group #314-316 - Other circulatory system diagnoses with CC.
  • DRG Group #314-316 - Other circulatory system diagnoses without CC or MCC.

ICD-10-CM Alphabetical Index References for 'I23.1 - Atrial septal defect as current complication following acute myocardial infarction'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I23.1. Click on any term below to browse the alphabetical index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Acquired cardiac septal defect (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code I23.1 and a single ICD9 code, 429.71 is an approximate match for comparison and conversion purposes.


Parent Code: I23 - Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I231