ICD-10 Chapter VI: Diseases of the nervous system

This is a shortened version of the sixth chapter of the ICD-10: Diseases of the nervous system. It covers ICD codes G00.0 to G99. All versions of the ICD-10, including the most recent one (2019), can be browsed freely on the website of the World Health Organisation (WHO). The ICD-10 can also be downloaded in PDF-form.

ICD-10 chapters
Chapter Block Title
I A00–B99 Certain infectious and parasitic diseases
II C00–D48 Neoplasms
III D50–D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
IV E00–E90 Endocrine, nutritional and metabolic diseases
V F00–F99 Mental and behavioural disorders
VI G00–G99 Diseases of the nervous system
VII H00–H59 Diseases of the eye and adnexa
VIII H60–H95 Diseases of the ear and mastoid process
IX I00–I99 Diseases of the circulatory system
X J00–J99 Diseases of the respiratory system
XI K00–K93 Diseases of the digestive system
XII L00–L99 Diseases of the skin and subcutaneous tissue
XIII M00–M99 Diseases of the musculoskeletal system and connective tissue
XIV N00–N99 Diseases of the genitourinary system
XV O00–O99 Pregnancy, childbirth and the puerperium
XVI P00–P96 Certain conditions originating in the perinatal period
XVII Q00–Q99 Congenital malformations, deformations and chromosomal abnormalities
XVIII R00–R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
XIX S00–T98 Injury, poisoning and certain other consequences of external causes
XX V01–Y98 External causes of morbidity and mortality
XXI Z00–Z99 Factors influencing health status and contact with health services
XXII U00–U99 Codes for special purposes

Chapter VI covers such conditions as meningitis, Parkinson's disease, epilepsy and cerebral palsy. However, neoplastic conditions, such as meningiomas, are captured using codes from Chapter II: Neoplasms.

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

Systemic atrophies primarily affecting the central nervous system (G10–G13)

Extrapyramidal and movement disorders (G20–G26)

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

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

Episodic and paroxysmal disorders (G40–G47)

Epilepsy

Headaches

Cerebrovascular

Sleep disorders

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

Polyneuropathies and other disorders of the peripheral nervous system (G60–G64)

Diseases of myoneural junction and muscle (G70–G73)

Cerebral palsy and other paralytic syndromes (G80–G83)

Other disorders of the nervous system (G90–G99)

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, NEC (R00-R94)

See also
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