F19.90 Other psychoactive substance use, unspecified, uncomplicated

The ICD-10-CM code for Other psychoactive substance use, unspecified, uncomplicated is F19.90 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

5: Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

Section

F10-F19: Mental and behavioral disorders due to psychoactive substance use (F10-F19)

Category F19

79 codes (63 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to F19.90:

• Use (of) › drug (s) NEC
• Use (of) › nonprescribed drugs
• Use (of) › psychoactive drug NEC
• Use (of) › patent medicines

U.S. Hospital Utilization

• An estimated 26,530 U.S. inpatient stays in 2023 included F19.90 among the documented diagnoses.
• 240 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Unspecified psychoactive substance use (F10.9-–F19.9-)

3) Psychoactive Substance Use, Unspecified As with all other unspecified diagnoses, the codes for unspecified psychoactive substance use (F10.9-, F11.9-, F12.9-, F13.9-, F14.9-, F15.9-, F16.9-, F18.9-, F19.9-) should only be assigned based on provider documentation and when they meet the definition of a reportable diagnosis (see Section III, Reporting Additional Diagnoses). These codes are to be used only when the psychoactive substance use is associated with a substance related disorder (chapter 5 disorders such as sexual dysfunction, sleep disorder, or a mental or behavioral disorder) or medical condition, and such a relationship is documented by the provider.

Pain disorders related to psychological factors (TOC entry)

a. Pain disorders related to psychological factors ..................................................................... 43

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference F19.90 with the canonical source and edition:

F19.90 — Other psychoactive substance use, unspecified, uncomplicated. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/F19.90

Canonical URL: https://icd10codingpro.com/codes/F19.90