2020 ICD-10-CM Diagnosis Code F16.221

Hallucinogen dependence with intoxication with delirium

    2016 2017 2018 2019 2020 Billable/Specific Code
  • F16.221 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM F16.221 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of F16.221 - other international versions of ICD-10 F16.221 may differ.
The following code(s) above F16.221 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to F16.221:
  • F01-F99
    2020 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    Includes
    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
  • F16
    ICD-10-CM Diagnosis Code F16

    Hallucinogen related disorders

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • ecstasy
    • PCP
    • phencyclidine
    Hallucinogen related disorders
  • F16.2
    ICD-10-CM Diagnosis Code F16.2

    Hallucinogen dependence

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • hallucinogen abuse (F16.1-)
    • hallucinogen use, unspecified (F16.9-)
    Hallucinogen dependence
ICD-10-CM F16.221 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 894 Alcohol, drug abuse or dependence, left ama
  • 895 Alcohol, drug abuse or dependence with rehabilitation therapy
  • 896 Alcohol, drug abuse or dependence without rehabilitation therapy with mcc
  • 897 Alcohol, drug abuse or dependence without rehabilitation therapy without mcc

Convert F16.221 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to F16.221:
  • Delirium, delirious (acute or subacute) (not alcohol- or drug-induced) (with dementia) R41.0
    ICD-10-CM Diagnosis Code R41.0

    Disorientation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Confusion NOS
    • Delirium NOS
    • due to (secondary to)
      • hallucinogen intoxication F16.921
        ICD-10-CM Diagnosis Code F16.921

        Hallucinogen use, unspecified with intoxication with delirium

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Other hallucinogen intoxication delirium
        • in
          • dependence F16.221
      • phencyclidine intoxication (acute) F16.921
        ICD-10-CM Diagnosis Code F16.921

        Hallucinogen use, unspecified with intoxication with delirium

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Other hallucinogen intoxication delirium
        • in
          • dependence F16.221
  • Dependence (on) (syndrome) F19.20
    ICD-10-CM Diagnosis Code F19.20

    Other psychoactive substance dependence, uncomplicated

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Other (or unknown) substance use disorder, moderate
    • Other (or unknown) substance use disorder, severe
    • drug NEC F19.20
      ICD-10-CM Diagnosis Code F19.20

      Other psychoactive substance dependence, uncomplicated

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Other (or unknown) substance use disorder, moderate
      • Other (or unknown) substance use disorder, severe
      • hallucinogen F16.20
        ICD-10-CM Diagnosis Code F16.20

        Hallucinogen dependence, uncomplicated

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Other hallucinogen use disorder, moderate
        • Other hallucinogen use disorder, severe
        • Phencyclidine use disorder, moderate
        • Phencyclidine use disorder, severe
        • with
          • intoxication F16.229
            ICD-10-CM Diagnosis Code F16.229

            Hallucinogen dependence with intoxication, unspecified

              2016 2017 2018 2019 2020 Billable/Specific Code
            • with delirium F16.221
  • Disorder (of) - see also Disease
    • hallucinogen use
      • moderate or severe F16.20
        ICD-10-CM Diagnosis Code F16.20

        Hallucinogen dependence, uncomplicated

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Other hallucinogen use disorder, moderate
        • Other hallucinogen use disorder, severe
        • Phencyclidine use disorder, moderate
        • Phencyclidine use disorder, severe
        • with
          • hallucinogen intoxication delirium F16.221
    • phencyclidine use
      • moderate or severe F16.20
        ICD-10-CM Diagnosis Code F16.20

        Hallucinogen dependence, uncomplicated

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Other hallucinogen use disorder, moderate
        • Other hallucinogen use disorder, severe
        • Phencyclidine use disorder, moderate
        • Phencyclidine use disorder, severe
        • with
          • phencyclidine intoxication delirium F16.221

ICD-10-CM Codes Adjacent To F16.221
F16.18 Hallucinogen abuse with other hallucinogen-induced disorder
F16.180 Hallucinogen abuse with hallucinogen-induced anxiety disorder
F16.183 Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks)
F16.188 Hallucinogen abuse with other hallucinogen-induced disorder
F16.19 …… with unspecified hallucinogen-induced disorder
F16.2 Hallucinogen dependence
F16.20 …… uncomplicated
F16.21 …… in remission
F16.22 Hallucinogen dependence with intoxication
F16.220 …… uncomplicated
F16.221 …… with delirium
F16.229 …… unspecified
F16.24 …… with hallucinogen-induced mood disorder
F16.25 Hallucinogen dependence with hallucinogen-induced psychotic disorder
F16.250 …… with delusions
F16.251 …… with hallucinations
F16.259 …… unspecified
F16.28 Hallucinogen dependence with other hallucinogen-induced disorder
F16.280 Hallucinogen dependence with hallucinogen-induced anxiety disorder
F16.283 Hallucinogen dependence with hallucinogen persisting perception disorder (flashbacks)
F16.288 Hallucinogen dependence with other hallucinogen-induced disorder

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.