ICD-10-CM Current in FY 2027

I20.9

Angina pectoris, unspecified

Release: FY 2027
Effective: October 1, 2026

Official source

Hierarchy

Where I20.9 sits in the official hierarchy. Each level is the code it is classified under.

I20 Parent Angina pectoris
I20.9 This code Angina pectoris, unspecified

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Angina NOS

Inclusion Terms

Anginal syndrome

Inclusion Terms

Cardiac angina

Inclusion Terms

Ischemic chest pain

Excludes1

angina pectoris with atherosclerotic heart disease of native coronary arteries ( I25.1- )

Inherited from I20 — Angina pectoris

Excludes1

atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris ( I25.7- )

Inherited from I20 — Angina pectoris

Excludes1

postinfarction angina ( I23.7 )

Inherited from I20 — Angina pectoris

Use Additional Code

code to identify:

Inherited from I20 — Angina pectoris

Use Additional Code

exposure to environmental tobacco smoke ( Z77.22 )

Inherited from I20 — Angina pectoris

Use Additional Code

history of tobacco dependence ( Z87.891 )

Inherited from I20 — Angina pectoris

Use Additional Code

occupational exposure to environmental tobacco smoke ( Z57.31 )

Inherited from I20 — Angina pectoris

Use Additional Code

tobacco dependence ( F17 .-)

Inherited from I20 — Angina pectoris

Use Additional Code

tobacco use ( Z72.0 )

Inherited from I20 — Angina pectoris

Version History

How I20.9 appears in each release imported from the official files, newest first.

FY 2027 Effective October 1, 2026
Current

Angina pectoris, unspecified
FY 2026 Effective October 1, 2025
Unchanged

Angina pectoris, unspecified

Other codes under I20

Codes whose official notes reference I20.9

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release: FY 2027
Effective: October 1, 2026
Source file: icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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