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ICD-10-CM Code I31.1
Chronic constrictive pericarditis

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

I31.1 is a billable ICD code used to specify a diagnosis of chronic constrictive pericarditis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code I311 is used to code Constrictive pericarditis

Constrictive pericarditis is a medical condition characterized by a thickened, fibrotic pericardium, limiting the heart's ability to function normally. In many cases, the condition continues to be difficult to diagnose and therefore benefits from a good understanding of the underlying cause.

Specialty: Cardiology
MeSH Code: D010494
ICD 9 Code: 423.2
Source: Wikipedia

Coding Notes for I31.1 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Concretio cordis
Pericardial calcification

MS-DRG Mapping

  • DRG Group #314-316 - Other circulatory system diagnoses with MCC.
  • DRG Group #314-316 - Other circulatory system diagnoses with CC.
  • DRG Group #314-316 - Other circulatory system diagnoses without CC or MCC.

Related Concepts SNOMET-CT

  • Infective constrictive pericarditis (disorder)
  • Constrictive pericarditis due to virus (disorder)

ICD-10-CM Alphabetical Index References for 'I31.1 - Chronic constrictive pericarditis'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I31.1. Click on any term below to browse the alphabetical index.

Pseudocirrhosis, liver, pericardial (I31.1)
Gouley's syndrome(constrictive pericarditis) (I31.1)
Concretio cordis (I31.1)

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Constrictive pericarditis (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 423.2 was previously used, I31.1 is the appropriate modern ICD10 code.


Parent Code: I31 - Other diseases of pericardium

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I311