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.
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
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)
These ranges represents sections of Diseases of the nervous system. The "G" signifies that these are the diseases within this broad chapter.
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