I00–I99
Diseases of the Circulatory System
Hypertension, heart failure, stroke, atrial fibrillation
I13
Hypertensive heart and chronic kidney disease
Non-billable
I13.0
Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
Billable
I13.1
Hypertensive heart and chronic kidney disease without heart failure
Non-billable
I13.10
Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
Billable
I13.11
Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease
Billable
I13.2
Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
Billable
I15
Secondary hypertension
Non-billable
I15.0
Renovascular hypertension
Billable
I15.1
Hypertension secondary to other renal disorders
Billable
I15.2
Hypertension secondary to endocrine disorders
Billable
I15.8
Other secondary hypertension
Billable
I15.9
Secondary hypertension, unspecified
Billable
I16
Hypertensive crisis
Non-billable
I16.0
Hypertensive urgency
Billable
I16.1
Hypertensive emergency
Billable
I16.9
Hypertensive crisis, unspecified
Billable
I1A
Other hypertension
Non-billable
I1A.0
Resistant hypertension
Billable
I20
Angina pectoris
Non-billable
I20.0
Unstable angina
Billable
I20.1
Angina pectoris with documented spasm
Billable
I20.2
Refractory angina pectoris
Billable
I20.8
Other forms of angina pectoris
Non-billable
I20.81
Angina pectoris with coronary microvascular dysfunction
Billable
I20.89
Other forms of angina pectoris
Billable
I20.9
Angina pectoris, unspecified
Billable
I21
Acute myocardial infarction
Non-billable
I21.0
ST elevation (STEMI) myocardial infarction of anterior wall
Non-billable
I21.01
ST elevation (STEMI) myocardial infarction involving left main coronary artery
Billable
I21.02
ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery
Billable
I21.09
ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall
Billable
I21.1
ST elevation (STEMI) myocardial infarction of inferior wall
Non-billable
I21.11
ST elevation (STEMI) myocardial infarction involving right coronary artery
Billable
I21.19
ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall
Billable
I21.2
ST elevation (STEMI) myocardial infarction of other sites
Non-billable
I21.21
ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery
Billable
I21.29
ST elevation (STEMI) myocardial infarction involving other sites
Billable
I21.3
ST elevation (STEMI) myocardial infarction of unspecified site
Billable
I21.4
Non-ST elevation (NSTEMI) myocardial infarction
Billable
I21.9
Acute myocardial infarction, unspecified
Billable
I21.A
Other type of myocardial infarction
Non-billable
I21.A1
Myocardial infarction type 2
Billable
I21.A9
Other myocardial infarction type
Billable
I21.B
Myocardial infarction with coronary microvascular dysfunction
Billable
I22
Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Non-billable
I22.0
Subsequent ST elevation (STEMI) myocardial infarction of anterior wall
Billable
I22.1
Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
Billable
I22.2
Subsequent non-ST elevation (NSTEMI) myocardial infarction
Billable
I22.8
Subsequent ST elevation (STEMI) myocardial infarction of other sites
Billable
I22.9
Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
Billable
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