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ICD-10 G21.0 - Malignant neuroleptic syndrome
Chapter 6 Section G20-G26

G21.0

ICD-10 Billable

Malignant neuroleptic syndrome

Use additional code: code for adverse effect, if applicable, to identify drug (T43.3X5, T43.4X5, T43.505, T43.595)
Specifically for this code:
  • neuroleptic induced parkinsonism (G21.11)
From Chapter 6:
  • 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)

333.92

ICD-9 Billable

Neuroleptic malignant syndrome

      
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