2021 ICD-10-CM Code F11.9

Opioid use, unspecified

Version 2021
Non-Billable Code
Unspecified Code

Not Valid for Submission

F11.9 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of opioid use, unspecified. The code is NOT valid for the year 2021 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.

Unspecified diagnosis codes like F11.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:F11.9
Short Description:Opioid use, unspecified
Long Description:Opioid use, unspecified

Code Classification

Specific Coding for Opioid use, unspecified

Header codes like F11.9 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 opioid use, unspecified:

  • F11.90 - ... uncomplicated
  • F11.92 - Opioid use, unspecified with intoxication
  • F11.920 - Opioid use, unspecified with intoxication, uncomplicated
  • F11.921 - Opioid use, unspecified with intoxication delirium
  • F11.922 - Opioid use, unspecified with intoxication with perceptual disturbance
  • F11.929 - Opioid use, unspecified with intoxication, unspecified
  • F11.93 - Opioid use, unspecified with withdrawal
  • F11.94 - Opioid use, unspecified with opioid-induced mood disorder
  • F11.95 - Opioid use, unspecified with opioid-induced psychotic disorder
  • F11.950 - Opioid use, unspecified with opioid-induced psychotic disorder with delusions
  • F11.951 - Opioid use, unspecified with opioid-induced psychotic disorder with hallucinations
  • F11.959 - Opioid use, unspecified with opioid-induced psychotic disorder, unspecified
  • F11.98 - Opioid use, unspecified with other specified opioid-induced disorder
  • F11.981 - Opioid use, unspecified with opioid-induced sexual dysfunction
  • F11.982 - Opioid use, unspecified with opioid-induced sleep disorder
  • F11.988 - Opioid use, unspecified with other opioid-induced disorder
  • F11.99 - Opioid use, unspecified with unspecified opioid-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 guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code F11.9:


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.

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)