2027 ICD-10-CM Diagnosis Code F19.90Other psychoactive substance use, unspecified, uncomplicated
ICD-10-CM Codes›F01–F99›F10-F19›F19
- Billable — Valid for Submission
- Not Chronic
F19.90 is a billable ICD-10-CM diagnosis code for other psychoactive substance use, unspecified, uncomplicated. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 894 through 897. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified substance-related disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Continuous nondependent harmful pattern of substance use
- Continuous nondependent harmful pattern of use of antidepressant
- Current drug user
- Deep vein thrombosis of lower extremity due to intravenous drug use
- Difficulty performing normal routines due to substance use
- Drug misuse before confirmation of pregnancy
- Drug-related offending behavior
- Episodic harmful pattern of substance use
- Episodic nondependent harmful pattern of substance use
- Episodic nondependent harmful pattern of use of antidepressant
- Harmful pattern of use of antidepressant
- Harmful pattern of use of novel psychoactive substance
- Illicit drug injection in last 12 months
- Illicit medication use
- Injecting drug user
- Misuse of non-prescription drug
- Nitrous oxide user
- Patient denies drug use
- Prenatal finding
- Psychoactive substance use disorder
- Shares drug equipment
- Shares drug injecting equipment
- Substance misuse clinical management plan agreed
- Substance misuse monitoring status
- Substance use disorder
- Treated for drug use in last 12 months
- Under care of drug misuse service
- Under care of service
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F19.90: its own notes plus those printed at F19.9, F19, and 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.
- polysubstance drug use (indiscriminate drug use)
- disorders of psychological development
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
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.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name F19.90, its category, or a range that includes it.
Excludes1 2
These codes carry an Excludes1 note naming F19.90: they are not reported together with it, unless the two conditions are unrelated.
Excludes2 2
These codes carry an Excludes2 note naming F19.90: its condition is not part of those codes, and both may be reported when the patient has both.
- F44.0 Dissociative amnesiaalcohol-or other psychoactive substance-induced amnestic disorder (F10, F13, F19 with .26, .96) names F19, which includes this code
- T40 Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.-F19.-) names F19.-, which includes this code
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
drug (s) NEC F19.90
nonprescribed drugs F19.90
patent medicines F19.90
psychoactive drug NEC F19.90
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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.
Convert F19.90 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F19.90Overview
What is the ICD-10 code for other psychoactive substance use, unspecified, uncomplicated?
The ICD-10-CM code for other psychoactive substance use, unspecified, uncomplicated is F19.90 (sometimes written as F1990). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is F19.90 (Other psychoactive substance use, unspecified) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other psychoactive substance use, unspecified, uncomplicated on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does F19.90 group to?
When other psychoactive substance use, unspecified, uncomplicated is the principal diagnosis on an inpatient stay, it groups to MS-DRG 894, 897, 895, 896, with relative weights from 0.6272 to 1.6610 depending on complications. Higher weights mean higher Medicare reimbursement.
Can F19.90 be reported with a code from F19.1?
Not as a rule. The Excludes1 note at F19.9, which applies to F19.90, lists "other psychoactive substance abuse (F19.1-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of F19.90?
Under the General Equivalence Mappings, other psychoactive substance use, unspecified, uncomplicated converts to ICD-9-CM 305.80 (antidepress abuse-unspec). The mapping is approximate, so confirm the match fits the documentation.
