ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

I21.A1 – Myocardial infarction type 2

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

Code First

the underlying cause, such as:

anemia (D50.0-D64.9)

chronic obstructive pulmonary disease (J44.-)

paroxysmal tachycardia (I47.0-I47.9)

shock (R57.0-R57.9)

Applicable To

Myocardial infarction due to demand ischemia

Myocardial infarction secondary to ischemic imbalance

GEM Conversion to ICD-9 CM

410.90

Fs: 10000 – Acute myocardial infarction of unspecified site, episode of care unspecified

410.91

Fs: 10000 – Acute myocardial infarction of unspecified site, initial episode of care

410.92

Fs: 10000 – Acute myocardial infarction of unspecified site, subsequent episode of care

MDC / MS-DRG Reference

DRG 222

CARDIAC DEFIBRILLATOR IMPLANT WITH CARDIAC CATHETERIZATION WITH AMI, HF OR SHOCK WITH MCC

DRG 222

CARDIAC DEFIBRILLATOR IMPLANT WITH CARDIAC CATHETERIZATION WITH AMI, HF OR SHOCK WITH MCC

DRG 223

CARDIAC DEFIBRILLATOR IMPLANT WITH CARDIAC CATHETERIZATION WITH AMI, HF OR SHOCK WITHOUT MCC

DRG 223

CARDIAC DEFIBRILLATOR IMPLANT WITH CARDIAC CATHETERIZATION WITH AMI, HF OR SHOCK WITHOUT MCC

DRG 224

CARDIAC DEFIBRILLATOR IMPLANT WITH CARDIAC CATHETERIZATION WITHOUT AMI, HF OR SHOCK WITH MCC

DRG 224

CARDIAC DEFIBRILLATOR IMPLANT WITH CARDIAC CATHETERIZATION WITHOUT AMI, HF OR SHOCK WITH MCC

DRG 225

CARDIAC DEFIBRILLATOR IMPLANT WITH CARDIAC CATHETERIZATION WITHOUT AMI, HF OR SHOCK WITHOUT MCC

DRG 225

CARDIAC DEFIBRILLATOR IMPLANT WITH CARDIAC CATHETERIZATION WITHOUT AMI, HF OR SHOCK WITHOUT MCC

DRG 226

CARDIAC DEFIBRILLATOR IMPLANT WITHOUT CARDIAC CATHETERIZATION WITH MCC

DRG 226

CARDIAC DEFIBRILLATOR IMPLANT WITHOUT CARDIAC CATHETERIZATION WITH MCC

DRG 227

CARDIAC DEFIBRILLATOR IMPLANT WITHOUT CARDIAC CATHETERIZATION WITHOUT MCC

DRG 227

CARDIAC DEFIBRILLATOR IMPLANT WITHOUT CARDIAC CATHETERIZATION WITHOUT MCC

DRG 280

ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH MCC

DRG 281

ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH CC

DRG 282

ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITHOUT CC/MCC

DRG 283

ACUTE MYOCARDIAL INFARCTION, EXPIRED WITH MCC

DRG 284

ACUTE MYOCARDIAL INFARCTION, EXPIRED WITH CC

DRG 285

ACUTE MYOCARDIAL INFARCTION, EXPIRED WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Infarct, infarction

myocardium, myocardial (acute) (with stated duration of 4 weeks or less) I21.9

due to

demand ischemia I21.A1

ischemic imbalance I21.A1

secondary to

demand ischemia I21.A1

ischemic imbalance I21.A1

subsequent (recurrent) (reinfarction) I22.9

type 2 I21.A1

type 2 I21.A1

Ischemia, ischemic I99.8

demand (coronary) See also Angina I24.8

with myocardial infarction I21.A1

resulting in myocardial infarction I21.A1

Sibling Codes

I21.A9

Other myocardial infarction type

Parent Sibling Codes

I21.0

ST elevation (STEMI) myocardial infarction of anterior wall

I21.1

ST elevation (STEMI) myocardial infarction of inferior wall

I21.2

ST elevation (STEMI) myocardial infarction of other sites

I21.3

ST elevation (STEMI) myocardial infarction of unspecified site

I21.4

Non-ST elevation (NSTEMI) myocardial infarction

I21.9

Acute myocardial infarction, unspecified

I21.A

Other type of myocardial infarction

View in Tabular

Code	Title
I00-I99	Diseases of the circulatory system (I00-I99)
I20-I25	Ischemic heart diseases (I20-I25)
I21	Acute myocardial infarction
I21.A	Other type of myocardial infarction
I21.A1	Myocardial infarction type 2 Applicable to Myocardial infarction due to demand ischemia Myocardial infarction secondary to ischemic imbalance Code First the underlying cause, such as: anemia (D50.0-D64.9) chronic obstructive pulmonary disease (J44.-) paroxysmal tachycardia (I47.0-I47.9) shock (R57.0-R57.9)