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I20.1 - Angina pectoris with documented spasm


The ICD 10 Code for Angina pectoris with documented spasm is listed as I20.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I20.1
Description: Angina pectoris with documented spasm
  • Angiospastic angina
  • Prinzmetal angina
  • Spasm-induced angina
  • Variant angina
Diagnostic Related Groups
(MS-DRG v30.0)
311 - Angina Pectoris
Chapter Diseases of the circulatory system (I00-I99)
Block Ischemic heart diseases (I20-I25)
Parent I20 - Angina pectoris
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 413.1 - Prinzmetal angina
ICD-10-CM Siblings (same level / similar specificity) of I20.1:
I20.0 - Unstable angina
I20.8 - Other forms of angina pectoris
I20.9 - Angina pectoris, unspecified