2022 ICD-10-CM Code F16.1

Hallucinogen abuse

Version 2021

Not Valid for Submission

ICD-10:F16.1
Short Description:Hallucinogen abuse
Long Description:Hallucinogen abuse

Code Classification

  • Mental and behavioural disorders (F00–F99)
    • Mental and behavioral disorders due to psychoactive substance use (F10-F19)
      • Hallucinogen related disorders (F16)

F16.1 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of hallucinogen abuse. The code is not specific and is NOT valid for the year 2022 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding for Hallucinogen abuse

Non-specific codes like F16.1 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for hallucinogen abuse:

  • BILLABLE CODE - Use F16.10 for Hallucinogen abuse, uncomplicated
  • BILLABLE CODE - Use F16.11 for Hallucinogen abuse, in remission
  • NON-BILLABLE CODE - F16.12 for Hallucinogen abuse with intoxication
  • BILLABLE CODE - Use F16.120 for Hallucinogen abuse with intoxication, uncomplicated
  • BILLABLE CODE - Use F16.121 for Hallucinogen abuse with intoxication with delirium
  • BILLABLE CODE - Use F16.122 for Hallucinogen abuse with intoxication with perceptual disturbance
  • BILLABLE CODE - Use F16.129 for Hallucinogen abuse with intoxication, unspecified
  • BILLABLE CODE - Use F16.14 for Hallucinogen abuse with hallucinogen-induced mood disorder
  • NON-BILLABLE CODE - F16.15 for Hallucinogen abuse with hallucinogen-induced psychotic disorder
  • BILLABLE CODE - Use F16.150 for Hallucinogen abuse with hallucinogen-induced psychotic disorder with delusions
  • BILLABLE CODE - Use F16.151 for Hallucinogen abuse with hallucinogen-induced psychotic disorder with hallucinations
  • BILLABLE CODE - Use F16.159 for Hallucinogen abuse with hallucinogen-induced psychotic disorder, unspecified
  • NON-BILLABLE CODE - F16.18 for Hallucinogen abuse with other hallucinogen-induced disorder
  • BILLABLE CODE - Use F16.180 for Hallucinogen abuse with hallucinogen-induced anxiety disorder
  • BILLABLE CODE - Use F16.183 for Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks)
  • BILLABLE CODE - Use F16.188 for Hallucinogen abuse with other hallucinogen-induced disorder
  • BILLABLE CODE - Use F16.19 for Hallucinogen abuse with unspecified hallucinogen-induced disorder

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code F16.1:


Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

Information for Patients


Drug Use and Addiction

What are drugs?

Drugs are chemical substances that can change how your body and mind work. They include prescription medicines, over-the-counter medicines, alcohol, tobacco, and illegal drugs.

What is drug use?

Drug use, or misuse, includes

Drug use is dangerous. It can harm your brain and body, sometimes permanently. It can hurt the people around you, including friends, families, kids, and unborn babies. Drug use can also lead to addiction.

What is drug addiction?

Drug addiction is a chronic brain disease. It causes a person to take drugs repeatedly, despite the harm they cause. Repeated drug use can change the brain and lead to addiction.

The brain changes from addiction can be lasting, so drug addiction is considered a "relapsing" disease. This means that people in recovery are at risk for taking drugs again, even after years of not taking them.

Does everyone who takes drugs become addicted?

Not everyone who uses drugs becomes addicted. Everyone's bodies and brains are different, so their reactions to drugs can also be different. Some people may become addicted quickly, or it may happen over time. Other people never become addicted. Whether or not someone becomes addicted depends on many factors. They include genetic, environmental, and developmental factors.

Who is at risk for drug addiction?

Various risk factors can make you more likely to become addicted to drugs, including

What are the signs that someone has a drug problem?

Signs that someone has a drug problem include

What are the treatments for drug addiction?

Treatments for drug addiction include counseling, medicines, or both. Research shows that combining medicines with counseling gives most people the best chance of success.

The counseling may be individual, family, and/or group therapy. It can help you

Medicines can help with the symptoms of withdrawal. For addiction to certain drugs, there are also medicines that can help you re-establish normal brain function and decrease your cravings.

If you have a mental disorder along with an addiction, it is known as a dual diagnosis. It is important to treat both problems. This will increase your chance of success.

If you have a severe addiction, you may need hospital-based or residential treatment. Residential treatment programs combine housing and treatment services.

Can drug use and addiction be prevented?

Drug use and addiction are preventable. Prevention programs involving families, schools, communities, and the media may prevent or reduce drug use and addiction. These programs include education and outreach to help people understand the risks of drug use.

NIH: National Institute on Drug Abuse


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)