I20.1 ANGINA PECTORIS WITH DOCUMENTED SPASM

Code Information

  • Diagnosis Code: I20.1
  • Short Description: Angina pectoris with documented spasm
  • Long Description: Angina pectoris with documented spasm
  • Code Version: 2025 ICD-10-CM

The code I20.1 is VALID for claim submission

Code Classification

Synonyms

  • Arteriospasm
  • Cardiac arrhythmia due to coronary artery spasm
  • Coronary artery spasm
  • Prinzmetal angina
  • Vasospasm

References to Index of Diseases and Injuries

The code I20.1 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Angiospastic angina
    • Prinzmetal angina
    • Spasm-induced angina
    • Variant angina

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
I20.1 Right Arrow 413.1 Prinzmetal angina
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
I20.2 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
I20.9 Angina pectoris, unspecified
This page was last updated on: 10/1/2025
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