I20.9 ANGINA PECTORIS, UNSPECIFIED

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Code Information

Diagnosis Code: I20.9

Short Description: Angina pectoris, unspecified

Long Description: Angina pectoris, unspecified

The code I20.9 is VALID for claim submission

Code Classification:

Diseases of the circulatory system (I00–I99)
- Ischemic heart diseases (I20-I25)
  - Angina pectoris (I20)
    - I20.9 Angina pectoris, unspecified

Code Version: 2022 ICD-10-CM

Synonyms

Angina associated with type 2 diabetes mellitus
Angina control
Angina control - improving
Angina control - poor
Angina pectoris
Angina, class IV
Ischemic chest pain
New onset angina
Recurrent angina after directional coronary atherectomy
Recurrent angina after percutaneous transluminal coronary angioplasty
Recurrent angina following placement of coronary artery stent
Recurrent angina post rotational atherectomy
Status anginosus
Typical angina

References to Index of Diseases and Injuries

The code I20.9 has the following ICD-10-CM references to the Index of Diseases and Injuries

Inclusion Terms:
- Angina NOS
- Anginal syndrome
- Cardiac angina
- Ischemic chest pain

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
I20.9		413.9	Angina pectoris NEC/NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
I20	Angina pectoris
I20.0	Unstable angina
I20.1	Angina pectoris with documented spasm
I20.2	Refractory angina pectoris
I20.8	Other forms of angina pectoris
I20.81	Angina pectoris with coronary microvascular dysfunction
I20.89	Other forms of angina pectoris

This page was last updated on: 10/1/2023

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