ICD-10 Diagnosis Code T65.94XA

Toxic effect of unsp substance, undetermined, init encntr

Diagnosis Code T65.94XA

ICD-10: T65.94XA
Short Description: Toxic effect of unsp substance, undetermined, init encntr
Long Description: Toxic effect of unspecified substance, undetermined, initial encounter
This is the 2019 version of the ICD-10-CM diagnosis code T65.94XA

Valid for Submission
The code T65.94XA is valid for submission for HIPAA-covered transactions.

Code Classification
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
      • Toxic effect of other and unspecified substances (T65)

Information for Medical Professionals

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Acneiform eruption
  • Acneiform eruption due to chemical
  • Acute pulmonary edema
  • Bismuth compound poisoning
  • Bismuth compound poisoning of undetermined intent
  • Chemical-induced pulmonary edema
  • Drug-induced encephalopathy
  • Inflammation of spinal cord due to toxin
  • Parkinson-dementia complex of Guam
  • Poisoning of undetermined intent
  • Pulmonary aspiration
  • Systemic sclerosis due to chemical
  • Systemic sclerosis induced by drugs and chemicals
  • Toxic encephalopathy
  • Toxic myopathy
  • Toxic neuromuscular junction disorder
  • Toxic polyneuropathy
  • Toxic pulmonary edema

Information for Patients


A poison is any substance that is harmful to your body. You might swallow it, inhale it, inject it, or absorb it through your skin. Any substance can be poisonous if too much is taken. Poisons can include

  • Prescription or over-the-counter medicines taken in doses that are too high
  • Overdoses of illegal drugs
  • Carbon monoxide from gas appliances
  • Household products, such as laundry powder or furniture polish
  • Pesticides
  • Indoor or outdoor plants
  • Metals such as lead and mercury

The effects of poisoning range from short-term illness to brain damage, coma, and death. To prevent poisoning it is important to use and store products exactly as their labels say. Keep dangerous products where children can't get to them. Treatment for poisoning depends on the type of poison. If you suspect someone has been poisoned, call your local poison control center at 1-800-222-1222 right away.

  • Poisoning (Medical Encyclopedia)
  • Poisoning first aid (Medical Encyclopedia)
  • Toxicology screen (Medical Encyclopedia)

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