ICD-10-CM › I
ICD-10-CM codes starting with I
1,810 codes, page 4 of 19. Every code ever valid for billing is listed, including those now retired.
| Code | Description | Status |
|---|---|---|
| I44.1 | Atrioventricular block, second degree | Valid |
| I44.2 | Atrioventricular block, complete | Valid |
| I44.3 | Other and unspecified atrioventricular block | Not billable |
| I44.30 | Unspecified atrioventricular block | Valid |
| I44.39 | Other atrioventricular block | Valid |
| I44.4 | Left anterior fascicular block | Valid |
| I44.5 | Left posterior fascicular block | Valid |
| I44.6 | Other and unspecified fascicular block | Not billable |
| I44.60 | Unspecified fascicular block | Valid |
| I44.69 | Other fascicular block | Valid |
| I44.7 | Left bundle-branch block, unspecified | Valid |
| I45 | Other conduction disorders | Not billable |
| I45.0 | Right fascicular block | Valid |
| I45.1 | Other and unspecified right bundle-branch block | Not billable |
| I45.10 | Unspecified right bundle-branch block | Valid |
| I45.19 | Other right bundle-branch block | Valid |
| I45.2 | Bifascicular block | Valid |
| I45.3 | Trifascicular block | Valid |
| I45.4 | Nonspecific intraventricular block | Valid |
| I45.5 | Other specified heart block | Valid |
| I45.6 | Pre-excitation syndrome | Valid |
| I45.8 | Other specified conduction disorders | Not billable |
| I45.81 | Long QT syndrome | Valid |
| I45.89 | Other specified conduction disorders | Valid |
| I45.9 | Conduction disorder, unspecified | Valid |
| I46 | Cardiac arrest | Not billable |
| I46.2 | Cardiac arrest due to underlying cardiac condition | Valid |
| I46.8 | Cardiac arrest due to other underlying condition | Valid |
| I46.9 | Cardiac arrest, cause unspecified | Valid |
| I47 | Paroxysmal tachycardia | Not billable |
| I47.0 | Re-entry ventricular arrhythmia | Valid |
| I47.1 | Supraventricular tachycardia | Not billable |
| I47.10 | Supraventricular tachycardia, unspecified | Valid |
| I47.11 | Inappropriate sinus tachycardia, so stated | Valid |
| I47.19 | Other supraventricular tachycardia | Valid |
| I47.2 | Ventricular tachycardia | Not billable |
| I47.20 | Ventricular tachycardia, unspecified | Valid |
| I47.21 | Torsades de pointes | Valid |
| I47.22 | Catecholaminergic polymorphic ventricular tachycardia [CPVT] | Valid |
| I47.29 | Other ventricular tachycardia | Valid |
| I47.9 | Paroxysmal tachycardia, unspecified | Valid |
| I48 | Atrial fibrillation and flutter | Not billable |
| I48.0 | Paroxysmal atrial fibrillation | Valid |
| I48.1 | Persistent atrial fibrillation | Not billable |
| I48.11 | Longstanding persistent atrial fibrillation | Valid |
| I48.19 | Other persistent atrial fibrillation | Valid |
| I48.2 | Chronic atrial fibrillation | Not billable |
| I48.20 | Chronic atrial fibrillation, unspecified | Valid |
| I48.21 | Permanent atrial fibrillation | Valid |
| I48.3 | Typical atrial flutter | Valid |
| I48.4 | Atypical atrial flutter | Valid |
| I48.9 | Unspecified atrial fibrillation and atrial flutter | Not billable |
| I48.91 | Unspecified atrial fibrillation | Valid |
| I48.92 | Unspecified atrial flutter | Valid |
| I49 | Other cardiac arrhythmias | Not billable |
| I49.0 | Ventricular fibrillation and flutter | Not billable |
| I49.01 | Ventricular fibrillation | Valid |
| I49.02 | Ventricular flutter | Valid |
| I49.1 | Atrial premature depolarization | Valid |
| I49.2 | Junctional premature depolarization | Valid |
| I49.3 | Ventricular premature depolarization | Valid |
| I49.4 | Other and unspecified premature depolarization | Not billable |
| I49.40 | Unspecified premature depolarization | Valid |
| I49.49 | Other premature depolarization | Valid |
| I49.5 | Sick sinus syndrome | Valid |
| I49.8 | Other specified cardiac arrhythmias | Not billable |
| I49.81 | Brugada syndrome | Valid |
| I49.82 | Ventricular bigeminy | Valid |
| I49.89 | Other specified cardiac arrhythmias not elsewhere classified | Valid |
| I49.9 | Cardiac arrhythmia, unspecified | Valid |
| I50 | Heart failure | Not billable |
| I50.1 | Left ventricular failure, unspecified | Valid |
| I50.2 | Systolic (congestive) heart failure | Not billable |
| I50.20 | Unspecified systolic (congestive) heart failure | Valid |
| I50.21 | Acute systolic (congestive) heart failure | Valid |
| I50.22 | Chronic systolic (congestive) heart failure | Valid |
| I50.23 | Acute on chronic systolic (congestive) heart failure | Valid |
| I50.3 | Diastolic (congestive) heart failure | Not billable |
| I50.30 | Unspecified diastolic (congestive) heart failure | Valid |
| I50.31 | Acute diastolic (congestive) heart failure | Valid |
| I50.32 | Chronic diastolic (congestive) heart failure | Valid |
| I50.33 | Acute on chronic diastolic (congestive) heart failure | Valid |
| I50.4 | Combined systolic (congestive) and diastolic (congestive) heart failure | Not billable |
| I50.40 | Unspecified combined systolic (congestive) and diastolic (congestive) heart failure | Valid |
| I50.41 | Acute combined systolic (congestive) and diastolic (congestive) heart failure | Valid |
| I50.42 | Chronic combined systolic (congestive) and diastolic (congestive) heart failure | Valid |
| I50.43 | Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure | Valid |
| I50.8 | Other heart failure | Not billable |
| I50.81 | Right heart failure | Not billable |
| I50.810 | Right heart failure, unspecified | Valid |
| I50.811 | Acute right heart failure | Valid |
| I50.812 | Chronic right heart failure | Valid |
| I50.813 | Acute on chronic right heart failure | Valid |
| I50.814 | Right heart failure due to left heart failure | Valid |
| I50.82 | Biventricular heart failure | Valid |
| I50.83 | High output heart failure | Valid |
| I50.84 | End stage heart failure | Valid |
| I50.89 | Other heart failure | Valid |
| I50.9 | Heart failure, unspecified | Valid |
| I51 | Complications and ill-defined descriptions of heart disease | Not billable |