eMedCodes logo

I20.9 - Angina pectoris, unspecified


The ICD 10 Code for Angina pectoris, unspecified is listed as I20.9.
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: I20.9
Description: Angina pectoris, unspecified
  • Angina NOS
  • Anginal syndrome
  • Cardiac angina
  • Ischemic chest pain
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: 413.9 - Other and unspecified angina pectoris (approximate)
ICD-10-CM Siblings (same level / similar specificity) of I20.9:
I20.0 - Unstable angina
I20.1 - Angina pectoris with documented spasm
I20.8 - Other forms of angina pectoris