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Diagnosis Code

G12.20 MOTOR NEURON DISEASE, UNSPECIFIED


Code Information

Diagnosis Code: G12.20

Short Description: Motor neuron disease, unspecified

Long Description: Motor neuron disease, unspecified

The code G12.20 is VALID for claim submission

Code Classification:

  • Diseases of the nervous system (G00–G99)
    • Systemic atrophies primarily affecting the central nervous system (G10-G14)
      • Spinal muscular atrophy and related syndromes (G12)
        • G12.20 Motor neuron disease, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Bilateral upper motor neurone lesion
  • Corticospinal motor disease
  • Frontal lobe degeneration with motor neurone disease
  • Lesion of left upper motor neuron
  • Lesion of right upper motor neuron
  • Lower motor neuron disease
  • Mills syndrome
  • Motor neuron disease
  • Motor neuron disease due to gammopathy
  • Motor neuron disease due to hereditary spastic paraplegia
  • Motor neuron disease due to human immunodeficiency virus infection
  • Motor neuron disease due to lead intoxication
  • Upper motor neuron disease
  • Upper motor neurone lesion

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G12.20 Right Arrow 335.29 Motor neuron disease NEC

This ICD-10 to ICD-9 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-10 Code ICD-10 Description
G12 Spinal muscular atrophy and related syndromes
G12.0 Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]
G12.1 Other inherited spinal muscular atrophy
G12.2 Motor neuron disease
G12.21 Amyotrophic lateral sclerosis
G12.22 Progressive bulbar palsy
G12.23 Primary lateral sclerosis
G12.24 Familial motor neuron disease
G12.25 Progressive spinal muscle atrophy
G12.29 Other motor neuron disease
G12.8 Other spinal muscular atrophies and related syndromes
G12.9 Spinal muscular atrophy, unspecified

This page was last updated on: 10/1/2023

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