Specific code 2014 ICD-9-CM Diagnosis Code 333.99
Other extrapyramidal diseases and abnormal movement disorders
  • Billable Code
  • Short description: Extrapyramidal dis NEC.
  • ICD-9-CM 333.99 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 333.99 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Acute neuroleptic induced akathisia
  • Athetoid movement
  • Combined pyramidal-extrapyramidal syndrome
  • Complaining of akathisia
  • Dentatorubropallidoluysian degeneration
  • Drug-induced akathisia
  • Drug-induced dyskinesia
  • Dystonia lenticularis
  • Gegenhalten
  • Hemidystonia
  • Idiopathic non-familial dystonia
  • Isolated cervical dystonia
  • Loss of postural sense
  • Medication-induced movement disorder
  • Myoclonic dystonia
  • Neuroleptic induced acute akathisia
  • Neuroleptic induced akathisia, acute
  • Neuroleptic-induced acute akathisia
  • Oral dystonia
  • Paroxysmal dystonia
  • Posthemiplegic dystonia
  • Restless legs
  • Serotonin syndrome
Applies To
  • Neuroleptic-induced acute akathisia
Use Additional
  • Use additional E code to identify drug, if drug-induced
Convert to ICD-10-CM: 333.99 converts approximately to:
  • 2014 ICD-10-CM G25.89 Other specified extrapyramidal and movement disorders
    Or:
  • 2014 ICD-10-CM G25.9 Extrapyramidal and movement disorder, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 333.99:
  • Abnormal, abnormality, abnormalities - see also Anomaly
    • movement 781.0
      • disorder NEC 333.90
        • sleep related, unspecified 780.58
        • specified NEC 333.99
      • head 781.0
      • involuntary 781.0
      • specified type NEC 333.99
  • Acathisia 781.0
    • due to drugs 333.99
  • Akathisia, acathisia 781.0
    • due to drugs 333.99
    • neuroleptic-induced acute 333.99
  • Disorder - see also Disease
  • Serotonin syndrome 333.99
  • Syndrome - see also Disease
    • serotonin 333.99
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 333.99 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.