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

I20.0 – Unstable angina

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Applicable To

Accelerated angina
Crescendo angina
De novo effort angina
Intermediate coronary syndrome
Preinfarction syndrome
Worsening effort angina

GEM Conversion to ICD-9 CM

Fs: 10000 – Intermediate coronary syndrome

MDC / MS-DRG Reference

ANGINA PECTORIS

Back Reference of Diagnostic Codes

Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) I20.9
unstable I20.0
Impending
coronary syndrome I20.0
myocardial infarction I20.0
Infarct, infarction
impending (myocardium) I20.0
Syndrome See also Disease
coronary
insufficiency or intermediate I20.0
impending coronary I20.0
intermediate coronary (artery) I20.0
preinfarction I20.0

Sibling Codes

Angina pectoris with documented spasm
Other forms of angina pectoris
Angina pectoris, unspecified

Parent Sibling Codes

Angina pectoris
Acute myocardial infarction
Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)
Other acute ischemic heart diseases
Chronic ischemic heart disease
Pulmonary embolism
Other pulmonary heart diseases
Other diseases of pulmonary vessels

View in Tabular

Code Title
I00-I99 Diseases of the circulatory system (I00-I99)
I20-I25 Ischemic heart diseases (I20-I25)
I20 Angina pectoris
I20.0 Unstable angina
Applicable to
Accelerated angina
Crescendo angina
De novo effort angina
Intermediate coronary syndrome
Preinfarction syndrome
Worsening effort angina