ICD10BillableValid for clinical use

ICD-10 Code F16.183: Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks)

F16.183 is a billable ICD-10 diagnosis code used to classify Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks) in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

When is it used?

  • May be used when a clinician documents hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks) in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
block
F10-F19Mental and behavioral disorders due to psychoactive substance use
category
F16Hallucinogen related disorders
category
F16.1Hallucinogen abuse
category
F16.18Hallucinogen abuse with other hallucinogen-induced disorder
currentF16.18

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Coverage-related procedures and services

CPT 90847high
FAMILY PSYCHOTHERAPY (CONJOINT PSYCHOTHERAPY) (WITH PATIENT PRESENT), 50 MINUTES
Source: CMS coverage guidance
CPT 90846high
FAMILY PSYCHOTHERAPY (WITHOUT THE PATIENT PRESENT), 50 MINUTES
Source: CMS coverage guidance
CPT 90785high
INTERACTIVE COMPLEXITY (LIST SEPARATELY IN ADDITION TO THE CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 90791high
PSYCHIATRIC DIAGNOSTIC EVALUATION
Source: CMS coverage guidance
CPT 90792high
PSYCHIATRIC DIAGNOSTIC EVALUATION WITH MEDICAL SERVICES
Source: CMS coverage guidance
CPT 96137high
PSYCHOLOGICAL OR NEUROPSYCHOLOGICAL TEST ADMINISTRATION AND SCORING BY PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL, TWO OR MORE TESTS, ANY METHOD; EACH ADDITIONAL 30 MINUTES (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks)Hallucinogen abuse with hallucinogen persisting perception disorderHallucinogen abuse with hallucinogen persisting perception disorder flashbacks

Frequently asked questions

Code details

CodeF16.183
SystemICD10
Display nameHallucinogen abuse with hallucinogen persisting perception disorder (flashbacks)
ChapterMental, Behavioral and Neurodevelopmental disorders (F01-F99)
BlockMental and behavioral disorders due to psychoactive substance use

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
AbuseAbuseDisorder(of)Disorder(of)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code F16.183 for Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks) | HealthAssure