All ICD10 Codes

I20.89

Billable
ChapterI00–I99
Ranksubcategory
Official Description

Other forms of angina pectoris

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

Instructional Notes

Includes
  • Angina equivalent
  • Angina of effort
  • Coronary slow flow syndrome
  • Stable angina
  • Stenocardia
General instructions are available for the parent sections:
View CH9 NotesView I20-I25 NotesView I20 NotesView I20.8 Notes

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)
I20-I25Ischemic heart diseases (I20-I25)
I20Angina pectoris
I20.8Other forms of angina pectoris
I20.89Other forms of angina pectoris

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I20.89:

subcategoryI20.8
Other forms of angina pectoris
View context instructions
categoryI20
Angina pectoris
View context instructions
blockI20-I25
Ischemic heart diseases (I20-I25)
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to I20.89. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

12 raw paths
Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor)3 unique routes
equivalent→I20.89
specified NEC→I20.89
stable→I20.89
Likoff's syndrome1 unique routes
Direct index entry→I20.89
Schaufenster krankheit1 unique routes
Direct index entry→I20.89
Slow1 unique routes
flow syndrome, coronary→I20.89
Stenocardia1 unique routes
Direct index entry→I20.89
Syncope (near) (pre-)1 unique routes
anginosa→I20.89
Syndrome4 unique routes
coronary
slow flow→I20.89
Heberden's→I20.89
Likoff's→I20.89
slow flow, coronary→I20.89

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 311
Angina Pectoris

Cross Reference

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