Malignant Neuroleptic Syndrome

Legacy Content

This page is about the pre-ICD10 diagnosis coding schema. See the ICD10 Diagnosis List, or the following for similar diagnoses in ICD10:Neuroleptic malignant syndrome

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edit dx infobox
Category/Organ System:	Category: Neurologic (old)
Type:	[[:Category: Medical Problem (old)]][[Category: Medical Problem (old)]]
Main Diagnosis:	Malignant Neuroleptic Syndrome (MNS)
Sub Diagnosis:	MALIGNANT NEUROLEPTIC SYNDROME
Diagnosis Code:	51900 - Malignant Neuroleptic Syndrome
Comorbid Diagnosis:	No
Charlson Comorbid coding (pre ICD10):	0
Program:	CC&Med
Status:	Currently Collected

Notes:

Go to: Wikipedia-Malignant Neuroleptic Syndrome for more information.

• MNS is an adverse reaction to neuroleptic or antipsychotic drugs characterized by F E V E R:
  • F =Temp>38
  • E=Encephalopathy
  • V=Vitals signs are unstable
  • E =Elevated CPKs
  • R=Rigidity muscles

Drugs such as Haldol, Chlorpromazine, Metoclopramides, Lithium,and antiparkinson drugs Levodopa can cause MNS.

If MNS is coded, don't also code Accidental toxicity-other drugs as this would be redundant as it would not give us any additional data.