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CurrentApr 1, 2026 – Sep 30, 2026

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CurrentApr 1, 2026 – Sep 30, 2026

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ICD-10-CM · FY2026 · April / Diseases of the nervous system (G00-G99)

Diseases of the nervous system (G00-G99)

G00–G99 · 932 Entries

Sections (11)

Inflammatory diseases of the central nervous system (G00-G09)

44 Entries→G10-G14

Systemic atrophies primarily affecting the central nervous system (G10-G14)

33 Entries→G20-G26

Extrapyramidal and movement disorders (G20-G26)

58 Entries→G30-G32

Other degenerative diseases of the nervous system (G30-G32)

27 Entries→G35-G37

Demyelinating diseases of the central nervous system (G35-G37)

27 Entries→G40-G47

Episodic and paroxysmal disorders (G40-G47)

307 Entries→G50-G59

Nerve, nerve root and plexus disorders (G50-G59)

131 Entries→G60-G65

Polyneuropathies and other disorders of the peripheral nervous system (G60-G65)

30 Entries→G70-G73

Diseases of myoneural junction and muscle (G70-G73)

62 Entries→G80-G83

Cerebral palsy and other paralytic syndromes (G80-G83)

67 Entries→G89-G99

Other disorders of the nervous system (G89-G99)

Coding notesExcludes 2 · 8

Excludes 2

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)

ICD-10-CM · CDC/NCHS · English

Official ICD-10-CM titles and instructions are preserved in English. Interface translations are provided by ICD Code Hub, not CDC or WHO.

CDC / NCHS · Apr 1, 2026 – Sep 30, 2026