394.9 MITRAL VALVE DIS NEC/NOS

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Code Information

Diagnosis Code: 394.9

Short Description: Mitral valve dis NEC/NOS

Long Description: Other and unspecified mitral valve diseases

Code Classification:

Diseases of the circulatory system (390–459)
- Chronic rheumatic heart disease (393-398)
  - 394 Diseases of mitral valve
    - 394.9 Mitral valve dis NEC/NOS

Code Version: 2015 ICD-9-CM

Synonyms

Abnormality of mitral valve annulus
Calcification of mitral valve
Chronic rheumatic mitral valve
Deficiency of mitral leaflet
Fenestration of mitral leaflet
Mitral sub-valve apparatus calcification
Mitral sub-valve apparatus fibrosis
Mitral valve sclerosis
Perforation of mitral valve leaflet
Rheumatic mitral valve failure
Rheumatic mitral valve leaflet changes
Thickened mitral leaflet

References to Index of Diseases and Injuries

The code 394.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

Disease, diseased - see also Syndrome
- heart (organic) 429.9
  - mitral (see also Endocarditis, mitral) 394.9

Endocarditis (chronic) (indeterminate) (interstitial) (marantic) (nonbacterial thrombotic) (residual) (sclerotic) (sclerous) (senile) (valvular) 424.90
- mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea) 394.9
  - with
    - aortic (valve) disease 396.9
      - active or acute 391.1
        with chorea (acute) (rheumatic) (Sydenham's) 392.0
    - rheumatic fever (conditions classifiable to 390)
      - active - see Endocarditis, acute, rheumatic
      - inactive or quiescent (with chorea) 394.9
        with aortic valve disease 396.9
  - active or acute 391.1
    - with chorea (acute) (rheumatic) (Sydenham's) 392.0
    - bacterial 421.0
  - arteriosclerotic 424.0
  - congenital 746.89
  - hypertensive 424.0
  - nonrheumatic 424.0
    - acute or subacute 421.9
  - syphilitic 093.21

Fever 780.60
- rheumatic (active) (acute) (chronic) (subacute) 390
  - inactive or quiescent with
    - endocarditis 397.9
      - mitral (valve) 394.9
        with aortic (valve) disease 396.9

Sclerosis, sclerotic
- rheumatic
  - mitral valve 394.9

Crosswalk Information

The code 394.9 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
394.9		I05.8	Other rheumatic mitral valve diseases

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
394.0	Mitral stenosis
394.1	Rheumatic mitral insufficiency
394.2	Mitral stenosis with insufficiency

This page was last updated on: 10/1/2014

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