ICD-10 Code
International Classification of Diseases, 10th Revision
Jul 01, 2017

See: Angina pectoris

  ICD-10 Code for Unstable angina I20.0

I20.0 is a valid1 ICD 10 diagnosis code.

I20.0 is valid for submission for HIPAA-covered transactions.

Chapter 9 Diseases of the circulatory system (I00-I99)
Section I20-I25 Ischemic heart diseases (I20-I25)
Category I20 Angina pectoris

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Accelerated angina
  • Crescendo angina
  • De novo effort angina
  • Intermediate coronary syndrome
  • Preinfarction syndrome
  • Worsening effort angina
See also ICD 10 code for

Related Terms to “Unstable angina”

  • Angina(attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) - I20.9
    • unstable - I20.0
  • Impending
    • coronary syndrome - I20.0
    • myocardial infarction - I20.0
  • Infarct, infarction
    • impending(myocardium) - I20.0
  • SyndromeSee also Disease
    • coronary
      • insufficiency or intermediate - I20.0
    • impending coronary - I20.0
    • intermediate coronary(artery) - I20.0
    • preinfarction - I20.0
See the 2017 ICD-10-CM Coding Guidelines.

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.