G12.20 Motor neuron disease, unspecified
Instructional Notes:
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G12.20
Description: Motor neuron disease, unspecified
↓
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G12.2
Description: Motor neuron disease
↓
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G12
Description: Spinal muscular atrophy and related syndromes
↓
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G10-G14
Description: Systemic atrophies primarily affecting the central nervous system (G10-G14)
↓
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G00-G99
Description: Diseases of the nervous system
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)