kodex

Kodex

ICD-10-CM
Code

G21.0

Malignant neuroleptic syndrome

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Hierarchy

  • G00-G99 Diseases of the nervous system (G00-G99)
    • G20-G26 Extrapyramidal and movement disorders (G20-G26)
      • G21 Secondary parkinsonism
        • G21.0 Malignant neuroleptic syndrome
        • G21.1 Other drug-induced secondary parkinsonism
        • G21.2 Secondary parkinsonism due to other external agents
        • G21.3 Postencephalitic parkinsonism
        • G21.4 Vascular parkinsonism
        • G21.8 Other secondary parkinsonism
        • G21.9 Secondary parkinsonism, unspecified

Use Additional

G21.0

  • code for adverse effect, if applicable, to identify drug (T43.3X5, T43.4X5, T43.505, T43.595)
    • T43.3X5 Adverse effect of phenothiazine antipsychotics and neuroleptics
    • T43.4X5 Adverse effect of butyrophenone and thiothixene neuroleptics
    • T43.505 Adverse effect of unspecified antipsychotics and neuroleptics
    • T43.595 Adverse effect of other antipsychotics and neuroleptics

Excludes 1

G21.0

  • G21.11 Neuroleptic induced parkinsonism

G21

  • dementia with Parkinsonism (G31.83)
    • G31.83 Neurocognitive disorder with Lewy bodies
  • G10 Huntington's disease
  • Shy-Drager syndrome (G90.3)
    • G90.3 Multi-system degeneration of the autonomic nervous system
  • syphilitic Parkinsonism (A52.19)
    • A52.19 Other symptomatic neurosyphilis

Excludes 2

G00-G99

  • certain conditions originating in the perinatal period (P04-P96)
  • A00-B99 Certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
  • C00-D49 Neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Related Terms