1. ICD-10-CM Codes
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2. F01-F99 Mental, Behavioral and Neurodevelopmental disorders
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3. F60-F69 Disorders of adult personality and behavior
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4. F66- Other sexual disorders
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5. 2021 ICD-10-CM Diagnosis Code F66

2021 ICD-10-CM Diagnosis Code F66

Other sexual disorders

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• F66 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2021 edition of ICD-10-CM F66 became effective on October 1, 2020.
• This is the American ICD-10-CM version of F66 - other international versions of ICD-10 F66 may differ.

• Ego dystonic sexual orientation
• Increased libido
• Libido, increased

• 887 Other mental disorder diagnoses

Convert F66 to ICD-9-CM

• 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
• 2021 (effective 10/1/2020): No change

• Type 2 Excludes: F64.2
  ICD-10-CM Diagnosis Code F64.2

  Gender identity disorder of childhood

  2016 2017 2018 2019 2020 2021 Billable/Specific Code Pediatric Dx (0-17 years)

  Applicable To

  • Gender dysphoria in children

  Type 1 Excludes

  • gender identity disorder in adolescence and adulthood (F64.0)

  Type 2 Excludes

  • sexual maturation disorder (F66)

• Disorder (of) - see also Disease
  • gender-identity or -role F64.9
    ICD-10-CM Diagnosis Code F64.9

    Gender identity disorder, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Applicable To

    • Gender dysphoria, unspecified
    • Gender-role disorder NOS
    • effect on relationship F66
    • uncertainty F66
  • psychological F99
    ICD-10-CM Diagnosis Code F99

    Mental disorder, not otherwise specified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Applicable To

    • Mental illness NOS

    Type 1 Excludes

    • unspecified mental disorder due to known physiological condition (F09)
    • associated with
      • sexual
        • development F66
        • relationship F66
  • psychosexual F65.9
    ICD-10-CM Diagnosis Code F65.9

    Paraphilia, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Applicable To

    • Paraphilic disorder, unspecified
    • Sexual deviation NOS
    • development F66
  • relationship F68.8
    ICD-10-CM Diagnosis Code F68.8

    Other specified disorders of adult personality and behavior

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • due to sexual orientation F66
  • sexual
    • maturation F66
    • relationship F66
• Problem (with) (related to)
  • marital Z63.0
    ICD-10-CM Diagnosis Code Z63.0

    Problems in relationship with spouse or partner

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt

    Applicable To

    • Relationship distress with spouse or intimate partner

    Type 1 Excludes

    • counseling for spousal or partner abuse problems (Z69.1)
    • counseling related to sexual attitude, behavior, and orientation (Z70.-)
    • involving
      • gender identity F66
  • psychosexual F66 (development)

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