429.9 HEART DISEASE NOS

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Code Information

Diagnosis Code: 429.9

Short Description: Heart disease NOS

Long Description: Heart disease, unspecified

Code Classification:

Diseases of the circulatory system (390–459)
- Other forms of heart disease (420-429)
  - 429 Ill-defined descriptions and complications of heart disease
    - 429.9 Heart disease NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 429.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

Cardiopathy (see also Disease, heart) 429.9
- hypertensive (see also Hypertension, heart) 402.90
- idiopathic 425.4
- mucopolysaccharidosis 277.5 [425.7]

Complications
- cardiac (see also Disease, heart) 429.9
  - device, implant, or graft NEC 996.72
    - infection or inflammation 996.61
    - long-term effect 429.4
    - mechanical (see also Complications, mechanical, by type) 996.00
    - valve prosthesis 996.71
      - infection or inflammation 996.61
  - postoperative NEC 997.1
    - long-term effect 429.4

Decompensation
- cardiac (acute) (chronic) (see also Disease, heart) 429.9
  - failure - see Failure, heart
- heart (see also Disease, heart) 429.9
  - failure - see Failure, heart
- myocardial (acute) (chronic) (see also Disease, heart) 429.9
  - failure - see Failure, heart

Disease, diseased - see also Syndrome
- heart (organic) 429.9
  - with
    - acute pulmonary edema (see also Failure, ventricular, left) 428.1
      - hypertensive 402.91
        with renal failure 404.92
        
        benign 402.11
        with renal failure 404.12
        
        malignant 402.01
        with renal failure 404.02
      - kidney disease - see Hypertension, cardiorenal
      - rheumatic fever (conditions classifiable to 390)
        active 391.9
        with chorea 392.0
        
        inactive or quiescent (with chorea) 398.90
  - amyloid 277.39[425.7]
  - aortic (valve) (see also Endocarditis, aortic) 424.1
  - arteriosclerotic or sclerotic (minimal) (senile) - see Arteriosclerosis, coronary
  - artery, arterial - see Arteriosclerosis, coronary
  - atherosclerotic - see Arteriosclerosis, coronary
  - beer drinkers' 425.5
  - beriberi 265.0 [425.7]
  - black 416.0
  - congenital NEC 746.9
    - cyanotic 746.9
    - maternal, affecting fetus or newborn 760.3
    - specified type NEC 746.89
  - congestive (see also Failure, heart) 428.0
  - coronary 414.9
  - cryptogenic 429.9
  - due to
    - amyloidosis 277.39[425.7]
    - beriberi 265.0 [425.7]
    - cardiac glycogenosis 271.0 [425.7]
    - Friedreich's ataxia 334.0 [425.8]
    - gout 274.82
    - mucopolysaccharidosis 277.5 [425.7]
    - myotonia atrophica 359.21 [425.8]
    - progressive muscular dystrophy 359.1 [425.8]
    - sarcoidosis 135 [425.8]
  - fetal 746.9
    - inflammatory 746.89
  - fibroid (see also Myocarditis) 429.0
  - functional 427.9
    - postoperative 997.1
    - psychogenic 306.2
  - glycogen storage 271.0 [425.7]
  - gonococcal NEC 098.85
  - gouty 274.82
  - hypertensive (see also Hypertension, heart) 402.90
    - benign 402.10
    - malignant 402.00
  - hyperthyroid (see also Hyperthyroidism) 242.9 [425.7]
  - incompletely diagnosed - see Disease, heart
  - ischemic (chronic) (see also Ischemia, heart) 414.9
    - acute (see also Infarct, myocardium) 410.9
      - without myocardial infarction 411.89
        with coronary (artery) occlusion 411.81
    - asymptomatic 412
    - diagnosed on ECG or other special investigation but currently presenting no symptoms 412
  - kyphoscoliotic 416.1
  - mitral (see also Endocarditis, mitral) 394.9
  - muscular (see also Degeneration, myocardial) 429.1
  - postpartum 674.8
  - psychogenic (functional) 306.2
  - pulmonary (chronic) 416.9
    - acute 415.0
    - specified NEC 416.8
  - rheumatic (chronic) (inactive) (old) (quiescent) (with chorea) 398.90
    - active or acute 391.9
      - with chorea (active) (rheumatic) (Sydenham's) 392.0
      - specified type NEC 391.8
    - maternal, affecting fetus or newborn 760.3
  - rheumatoid - see Arthritis, rheumatoid
  - sclerotic - see Arteriosclerosis, coronary
  - senile (see also Myocarditis) 429.0
  - specified type NEC 429.89
  - syphilitic 093.89
    - aortic 093.1
      - aneurysm 093.0
    - asymptomatic 093.89
    - congenital 090.5
  - thyroid (gland) (see also Hyperthyroidism) 242.9 [425.7]
  - thyrotoxic (see also Thyrotoxicosis) 242.9 [425.7]
  - tuberculous (see also Tuberculosis) 017.9 [425.8]
  - valve, valvular (obstructive) (regurgitant) - see also Endocarditis
    - congenital NEC (see also Anomaly, heart, valve) 746.9
      - pulmonary 746.00
      - specified type NEC 746.89
  - vascular - see Disease, cardiovascular

Dysfunction
- diastolic 429.9
  - with heart failure - see Failure, heart
  - due to
    - cardiomyopathy - see Cardiomyopathy
    - hypertension - see Hypertension, heart
- systolic 429.9
  - with heart failure - see Failure, heart
- ventricular 429.9
  - with congestive heart failure (see also Failure, heart) 428.0
  - due to
    - cardiomyopathy - see Cardiomyopathy
    - hypertension - see Hypertension, heart
  - left, reversible following sudden emotional stress 429.83

Fever 780.60
- rheumatic (active) (acute) (chronic) (subacute) 390
  - inactive or quiescent with
    - heart conditions (classifiable to 429.3, 429.6, 429.9) 398.99
      - failure (congestive) (conditions classifiable to 428.0, 428.9) 398.91

Hypertension, hypertensive (arterial) (arteriolar) (crisis) (degeneration) (disease) (essential) (fluctuating) (idiopathic) (intermittent) (labile) (low renin) (orthostatic) (paroxysmal) (primary) (systemic) (uncontrolled) (vascular).......................................... 401.0......... 401.1......... 401.9
- with
  - heart involvement (conditions classifiable to 429.0-429.3, 429.8, 429.9 due to hypertension) (see also Hypertension, heart).................................. 402.00....... 402.10....... 402.90
    - with kidney involvement � see Hypertension, cardiorenal
- heart (disease) (conditions classifiable to 429.0-429.3, 429.8, 429.9 due to hypertension)........... 402.00....... 402.10....... 402.90
  - with
    - heart failure............................................................. 402.01....... 402.11....... 402.91
    - hypertensive kidney disease (conditions classifiable to 403) (see also Hypertension, cardiorenal)....... 404.00....... 404.10....... 404.90
    - renal sclerosis (see also Hypertension, cardiorenal).. 404.00....... 404.10....... 404.90
- kidney. 403.00.................................................................... 403.10....... 403.90
  - with
    - heart involvement (conditions classifiable to� 429.0-429.3, 429.8, 429.9 due to hypertension) (see also Hypertension, cardiorenal)................... 404.00....... 404.10....... 404.90

Hypertrophy, hypertrophic
- asymmetrical (heart) 429.9

Crosswalk Information

The code 429.9 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
429.9		I51.9	Heart disease, unspecified

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
429.0	Myocarditis, unspecified
429.1	Myocardial degeneration
429.2	Cardiovascular disease, unspecified
429.3	Cardiomegaly
429.4	Functional disturbances following cardiac surgery
429.5	Rupture of chordae tendineae
429.6	Rupture of papillary muscle
429.71	Acquired cardiac septal defect
429.79	Certain sequelae of myocardial infarction, not elsewhere classified, other
429.81	Other disorders of papillary muscle
429.82	Hyperkinetic heart disease
429.83	Takotsubo syndrome
429.89	Other ill-defined heart diseases

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

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