Home > 2014 ICD-9-CM Diagnosis Codes > Injury And Poisoning 800-999 > Poisoning By Drugs, Medicinals And Biological Substances 960-979 > Poisoning by anticonvulsants and anti-parkinsonism drugs 966-
Specific code 2014 ICD-9-CM Diagnosis Code 966.1
Poisoning by hydantoin derivatives
  • 2014
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • Short description: Poison-hydantoin derivat.
  • ICD-9-CM 966.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 966.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2014 version of ICD-9-CM 966.1.
  • More recent version(s) of ICD-9-CM 966.1: 2015.
Convert to ICD-10-CM: 966.1 converts approximately to:
  • 2015/16 ICD-10-CM T42.0X1A Poisoning by hydantoin derivatives, accidental (unintentional), initial encounter
    Or:
  • 2015/16 ICD-10-CM T42.0X2A Poisoning by hydantoin derivatives, intentional self-harm, initial encounter
    Or:
  • 2015/16 ICD-10-CM T42.0X3A Poisoning by hydantoin derivatives, assault, initial encounter
    Or:
  • 2015/16 ICD-10-CM T42.0X4A Poisoning by hydantoin derivatives, undetermined, initial encounter
Approximate Synonyms
  • Phenytoin overdose
  • Phenytoin toxicity
  • Poisoning by phenytoin
Applies To
  • Phenytoin
 966.0 ICD9Data.com 966.2 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 966.1 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.
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