Diseases of the nervous system - G00-G99

Diseases of the Nervous System - This chapter includes codes for conditions affecting the nervous system, such as epilepsy, multiple sclerosis, and Alzheimers disease.

 Type 2 Excludes

• 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)

 Codes

• G00-G09 - Inflammatory diseases of the central nervous system
• G10-G14 - Systemic atrophies primarily affecting the central nervous system
• G20-G26 - Extrapyramidal and movement disorders
• G30-G32 - Other degenerative diseases of the nervous system
• G35-G37 - Demyelinating diseases of the central nervous system
• G40-G47 - Episodic and paroxysmal disorders
• G50-G59 - Nerve, nerve root and plexus disorders
• G60-G65 - Polyneuropathies and other disorders of the peripheral nervous system
• G70-G73 - Diseases of myoneural junction and muscle
• G80-G83 - Cerebral palsy and other paralytic syndromes
• G89-G99 - Other disorders of the nervous system