2023

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  5. 2023 ICD-10-CM Diagnosis Code F51.05

2023 ICD-10-CM Diagnosis Code F51.05

Insomnia due to other mental disorder

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • F51.05 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM F51.05 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of F51.05 - other international versions of ICD-10 F51.05 may differ.
Code Also
Code Also Help
A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.
  • associated mental disorder
The following code(s) above F51.05 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 F51.05:
  • F01-F99
    2023 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
  • F51
    ICD-10-CM Diagnosis Code F51

    Sleep disorders not due to a substance or known physiological condition

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • organic sleep disorders (G47.-)
    Sleep disorders not due to a substance or known physiological condition
  • F51.0
    ICD-10-CM Diagnosis Code F51.0

    Insomnia not due to a substance or known physiological condition

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    Insomnia not due to a substance or known physiological condition
Approximate Synonyms
  • Hyposomnia due to mental disorder
  • Hyposomnia due to mental disorders
  • Hyposomnia due to mental illness
  • Hyposomnia due to psychological disorder
  • Insomnia disorder related to another mental disorder
  • Insomnia due to mental disorder
ICD-10-CM F51.05 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 887 Other mental disorder diagnoses

Convert F51.05 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to F51.05:

Diagnosis Index entries containing back-references to F51.05:
  • Insomnia (organic) G47.00
    ICD-10-CM Diagnosis Code G47.00

    Insomnia, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Insomnia NOS
    • due to
      • anxiety disorder F51.05
      • depression F51.05
      • mental disorder NEC F51.05
    • psychiatric F51.05
    • related to psychopathology F51.05

ICD-10-CM Codes Adjacent To F51.05
F50.81 Binge eating disorder
F50.82 Avoidant/restrictive food intake disorder
F50.89 Other specified eating disorder
F50.9 Eating disorder, unspecified
F51 Sleep disorders not due to a substance or known physiological condition
F51.0 Insomnia not due to a substance or known physiological condition
F51.01 Primary insomnia
F51.02 Adjustment insomnia
F51.03 Paradoxical insomnia
F51.04 Psychophysiologic insomnia
F51.05 Insomnia due to other mental disorder
F51.09 Other insomnia not due to a substance or known physiological condition
F51.1 Hypersomnia not due to a substance or known physiological condition
F51.11 Primary hypersomnia
F51.12 Insufficient sleep syndrome
F51.13 Hypersomnia due to other mental disorder
F51.19 Other hypersomnia not due to a substance or known physiological condition
F51.3 Sleepwalking [somnambulism]
F51.4 Sleep terrors [night terrors]
F51.5 Nightmare disorder
F51.8 Other sleep disorders not due to a substance or known physiological condition

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

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