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ICD-10-CM Codes I00-I99 I20-I25 I20 I20.1
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ICD-10-CM Diagnosis Code I20.1

Effective Date: 10/01/2015 To 09/30/2025

Angina pectoris with documented spasm

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
88 -- 188 Adult -- -- Acute No
Applicable To for I20.1:

  • Angiospastic angina

  • Prinzmetal angina

  • Spasm-induced angina

  • Variant angina

Back-references to I20.1
  • Angina(attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) I20.9
    • with
      • documented spasm I20.1
    • Ischemia, ischemic I99.8
      • supply(coronary) see also Angina I25.9
        • due to vasospasm I20.1
      • Prinzmetal angina I20.1
      • Spasm(s), spastic, spasticity see also condition R25.2
        • cardiac I20.1
          • coronary(artery) I20.1
            • heart I20.1
            • Vasospasm(vasoconstriction) see also Angiospasm I73.9
              • coronary I20.1
                • Related Medications for I20.1

                • dihydroergocornine, dihydroergocristine, dihydroergotamine, diltiazem, ergometrine, ergoloid mesylates, ergotamine, felodipine, nicardipine, nifedipine, nisoldipine, verapamil, amlodipine, isradipine

                Chapter, Section and Diagnosis Prefix for I20.1