2027 ICD-10-CM Diagnosis Code F16Hallucinogen related disorders

ICD-10-CM Codes›F01–F99›F10-F19›F16

ICD-10-CM F16
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F16 is a non-billable ICD-10-CM category code for hallucinogen related disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as F16.10, F16.11, F16.120, and F16.121.

Code Identity

ICD-10-CM Code
F16
Billable Status
No — Non-Billable Category
Code Describes
Hallucinogen related disorders
Short Description
Hallucinogen related disorders
Same as the full description in the CMS dataset.
Chapter
F10-F19
Mental and behavioral disorders due to psychoactive substance use

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF10-F19Mental and behavioral disorders due to psychoactive substance use
CategoryF16Hallucinogen related disorders
This CodeF16Hallucinogen related disorders

Specific Coding for Hallucinogen related disordersOverview

Non-specific codes like F16 require more characters. Use one of these billable codes instead:

  • F16.1 for Hallucinogen abuse

  • Use F16.10 for Hallucinogen abuse, uncomplicated

  • Use F16.11 for Hallucinogen abuse, in remission

  • F16.12 for Hallucinogen abuse with intoxication

  • Use F16.14 for Hallucinogen abuse with hallucinogen-induced mood disorder

  • F16.15 for Hallucinogen abuse with hallucinogen-induced psychotic disorder

  • F16.18 for Hallucinogen abuse with other hallucinogen-induced disorder

  • Use F16.19 for Hallucinogen abuse with unspecified hallucinogen-induced disorder

  • F16.2 for Hallucinogen dependence

  • Use F16.20 for Hallucinogen dependence, uncomplicated

  • Use F16.21 for Hallucinogen dependence, in remission

  • F16.22 for Hallucinogen dependence with intoxication

  • Use F16.24 for Hallucinogen dependence with hallucinogen-induced mood disorder

  • F16.25 for Hallucinogen dependence with hallucinogen-induced psychotic disorder

  • F16.28 for Hallucinogen dependence with other hallucinogen-induced disorder

  • Use F16.29 for Hallucinogen dependence with unspecified hallucinogen-induced disorder

  • F16.9 for Hallucinogen use, unspecified

  • Use F16.90 for Hallucinogen use, unspecified, uncomplicated

  • Use F16.91 for Hallucinogen use, unspecified, in remission

  • F16.92 for Hallucinogen use, unspecified with intoxication

  • Use F16.94 for Hallucinogen use, unspecified with hallucinogen-induced mood disorder

  • F16.95 for Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder

  • F16.98 for Hallucinogen use, unspecified with other specified hallucinogen-induced disorder

  • Use F16.99 for Hallucinogen use, unspecified with unspecified hallucinogen-induced disorder

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F16: its own notes plus those printed at Chapter 5. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

On F16 itself
  • ecstasy
  • PCP
  • phencyclidine
From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • disorders of psychological development

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Patient EducationClinical

Drug Use and Addiction

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.

The full article covers:

  • What are drugs?
  • What is drug use?
  • What is drug addiction?
  • Does everyone who takes drugs become addicted?
  • Who is at risk for drug addiction?
  • What are the signs that someone has a drug problem?
  • What are the treatments for drug addiction?
  • Can drug use and addiction be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About F16Overview

What is the ICD-10 code for hallucinogen related disorders?

F16 is the ICD-10-CM category for hallucinogen related disorders, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is F16 (Hallucinogen related disorders) a billable code?

No. This is a category header that groups the codes for hallucinogen related disorders, and headers cannot be submitted on claims. Claims for hallucinogen related disorders need a more specific code from this category, such as F16.10, F16.11, and F16.120.