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  1. ICD.Codes
  2. ICD-10-CM (2016)
  3. Chapter 9
  4. Section I05-I09
  5. Code I09.0

ICD-10-CM Code I09.0
Rheumatic myocarditis

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

I09.0 is a billable ICD code used to specify a diagnosis of rheumatic myocarditis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code I090 is used to code Myocarditis

Myocarditis or inflammatory cardiomyopathy is inflammation of heart muscle. The consequences of myocarditis vary widely. It can cause a mild disease without any symptoms that resolves itself, or it may cause chest pain, heart failure, or sudden death. An acute myocardial infarction-like syndrome with normal coronary arteries has a good prognosis. Heart failure, even with a dilated left ventricle, may have a good prognosis. Ventricular arrhythmias and high-degree heart block have a poor prognosis. Loss of right ventricular function is a strong predictor of death.

Specialty: Cardiology
MeSH Codes: D009205, D009205, D009205
ICD 9 Codes: 391.2, 422, 429.0

Histopathological image of myocarditis at autopsy in a patient with acute onset of congestive heart failure

Source: Wikipedia

Coding Notes for I09.0 Info for medical coders on how to properly use this ICD-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Myocarditis not specified as rheumatic - instead, use code I51.4

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.

ICD-10-CM Alphabetical Index References for 'I09.0 - Rheumatic myocarditis'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I09.0. Click on any term below to browse the alphabetical index.

Fever(inanition) (of unknown origin) (persistent) (with chills) (with rigor) +
Rheumatic(acute) (subacute) (chronic) +
Insufficiency, insufficient +
Cardiomyopathy(familial) (idiopathic) +
Myocarditis(with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) +
Degeneration, degenerative +

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

398.0
Rheumatic myocarditis (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 398.0 was previously used, I09.0 is the appropriate modern ICD10 code.

Parent Code: I09 - Other rheumatic heart diseases

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I090