All ICD10 Codes

F16.91

Billable
ChapterF01–F99
Ranksubcategory
Official Description

Hallucinogen use, unspecified, in remission

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).
General instructions are available for the parent sections:
View CH5 NotesView F16 NotesView F16.9 Notes

Clinical Hierarchy

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F10-F19Mental and behavioral disorders due to psychoactive substance use (F10-F19)
F16Hallucinogen related disorders
F16.9Hallucinogen use, unspecified
F16.91Hallucinogen use, unspecified, in remissionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F16.91:

subcategoryF16.9
Hallucinogen use, unspecified
View context instructions
categoryF16
Hallucinogen related disorders
View context instructions
chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

Code History

  • FY 2022: This code replaced F16.90 (Hallucinogen use, unspecified, uncomplicated)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 894
Alcohol, Drug Abuse or Dependence, Left AMA
DRG 895
Alcohol, Drug Abuse or Dependence with Rehabilitation Therapy
DRG 896
Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy with MCC
DRG 897
Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy without MCC

Cross Reference

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