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F19.188

F19.188Other psychoactive substance abuse with other psychoactive substance-induced disorder

Billable / specific codeICD-10-CM

F19.188 is a billable, specific ICD-10-CM code for other psychoactive substance abuse with other psychoactive substance-induced disorder. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Other (or unknown) substance use disorder, mild, with other (or unknown) substance induced mild neurocognitive disorder
  • Other (or unknown) substance use disorder, mild, with other (or unknown) substance induced obsessive-compulsive or related disorder

Excludes1 inherited from the categories above F19.188

These are not written on F19.188, but they bind it: a note on a category applies to every code beneath it. Billing F19.188 with anything listed here is a denial.

Written on F19.1 Other psychoactive substance abuse

  • other psychoactive substance dependence (F19.2-)
  • other psychoactive substance use, unspecified (F19.9-)

Risk adjustment

F19.188 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 137 Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications0.424 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

F19.188 is named in 19 Medicare coverage policies 18 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A56614Billing and Coding: Psychiatric Inpatient Hospitalization
  • A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
  • A56756Billing and Coding: Home Health - Psychiatric Care

How F19.188 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F19.188.

  • Abusedrug NECpsychoactive NECwithother specified disorder
  • Disordersubstance usemildwith substance-inducedmild neurocognitive disorder
  • Disordersubstance usemildwith substance-inducedobsessive-compulsive and related disorder

Code history

F19.188 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share F19.18. If F19.188 is not quite right, the correct code is usually one of these.

Questions about F19.188

Is F19.188 a billable ICD-10-CM code?
Yes. F19.188 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does F19.188 sit in the tabular list?
Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Mental and behavioral disorders due to psychoactive substance use (F10-F19).
What cannot be coded together with F19.188?
F19.188 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above F19.188 (F19.1) and apply to it just the same.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.