ICD-10-CM Code I20.0
Unstable angina
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.Adult Only
Code is only used for patients 15 years old or older.I20.0 is a billable ICD code used to specify a diagnosis of unstable angina. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code I200 is used to code Unstable angina
Unstable angina (UA) is a type of angina pectoris that is irregular. It is also classified as a type of acute coronary syndrome (ACS).
| Specialty: | Cardiology |
| MeSH Code: | D000789 |
| ICD 9 Code: | 411.1 |
Coding Notes for I20.0 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Accelerated angina
- Crescendo angina
- De novo effort angina
- Intermediate coronary syndrome
- Preinfarction syndrome
- Worsening effort angina
MS-DRG Mapping
- DRG Group #311 - Angina pectoris.
ICD-10-CM Alphabetical Index References for 'I20.0 - Unstable angina'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I20.0. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
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 I20.0 and a single ICD9 code, 411.1 is an approximate match for comparison and conversion purposes.
Parent Code: I20 - Angina pectoris