I20.9 ANGINA PECTORIS, UNSPECIFIED

Code Information

  • Diagnosis Code: I20.9
  • Short Description: Angina pectoris, unspecified
  • Long Description: Angina pectoris, unspecified
  • Code Version: 2025 ICD-10-CM

The code I20.9 is VALID for claim submission

Code Classification

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
  • Patient post angioplasty
  • Patient post percutaneous transluminal coronary angioplasty
  • 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 Right Arrow 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: 10/1/2025