All ICD10 Codes

I31

Non-Billable
ChapterI00–I99
Rankcategory
Official Description

Other diseases of pericardium

Use a more specific code (6 billable, 1 non-billable)
I31.0Chronic adhesive pericarditisI31.1Chronic constrictive pericarditisI31.2Hemopericardium, not elsewhere classifiedI31.3Pericardial effusion (noninflammatory)has subcodesI31.4Cardiac tamponadeI31.8Other specified diseases of pericardiumI31.9Disease of pericardium, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • diseases of pericardium specified as rheumatic (I09.2)
  • postcardiotomy syndrome (I97.0)
  • traumatic injury to pericardium (S26.-)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I30-I5AOther forms of heart disease (I30-I5A)
I31Other diseases of pericardiumNot billable
I31.0Chronic adhesive pericarditisBillable
I31.1Chronic constrictive pericarditisBillable
I31.2Hemopericardium, not elsewhere classifiedBillable
I31.3Pericardial effusion (noninflammatory)Subcodes
I31.4Cardiac tamponadeBillable
I31.8Other specified diseases of pericardiumBillable
I31.9Disease of pericardium, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I31:

chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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