Valid for Submission
G23.2 is a billable diagnosis code used to specify a medical diagnosis of striatonigral degeneration. The code G23.2 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code G23.2 might also be used to specify conditions or terms like infantile striatonigral degeneration or striatonigral degeneration.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code G23.2 are found in the index:
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Infantile striatonigral degeneration
- Striatonigral degeneration
- MACHADO JOSEPH DISEASE-. a dominantly inherited ataxia first described in people of azorean and portuguese descent and subsequently identified in brazil japan china and australia. this disorder is classified as one of the spinocerebellar ataxias type 3 and has been associated with a mutation of the mjd1 gene on chromosome 14. clinical features include progressive ataxia dysarthria postural instability nystagmus eyelid retraction and facial fasciculations. dystonia is prominent in younger patients referred to as type i machado joseph disease. type ii features ataxia and ocular signs; type iii features muscular atrophy and a sensorimotor neuropathy; and type iv features extrapyramidal signs combined with a sensorimotor neuropathy. from clin neurosci 1995;31:17 22; ann neurol 1998 mar;433:288 96
- STRIATONIGRAL DEGENERATION-. a sporadic neurodegenerative disease with onset in middle age characterized clinically by parkinsonian features e.g. muscle rigidity; hypokinesia; stooped posture and hypotension. this condition is considered a clinical variant of multiple system atrophy. pathologic features include a prominent loss of neurons in the zona compacta of the substantia nigra and putamen. from adams et al. principles of neurology 6th ed p1075 6
Convert G23.2 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code G23.2 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
Degenerative Nerve Diseases
Also called: Neurodegenerative diseases
Degenerative nerve diseases affect many of your body's activities, such as balance, movement, talking, breathing, and heart function. Many of these diseases are genetic. Sometimes the cause is a medical condition such as alcoholism, a tumor, or a stroke. Other causes may include toxins, chemicals, and viruses. Sometimes the cause is not known.
Degenerative nerve diseases include
- Alzheimer's disease
- Amyotrophic lateral sclerosis
- Friedreich's ataxia
- Huntington's disease
- Lewy body disease
- Parkinson's disease
- Spinal muscular atrophy
Degenerative nerve diseases can be serious or life-threatening. It depends on the type. Most of them have no cure. Treatments may help improve symptoms, relieve pain, and increase mobility.
- Multiple system atrophy (Medical Encyclopedia)
- Progressive multifocal leukoencephalopathy (Medical Encyclopedia)
[Learn More in MedlinePlus]