2019 ICD-10-CM Diagnosis Code F51.3

Sleepwalking [somnambulism]

    2016 2017 2018 2019 Billable/Specific Code
  • F51.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM F51.3 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of F51.3 - other international versions of ICD-10 F51.3 may differ.
Applicable To
  • Non-rapid eye movement sleep arousal disorders, sleepwalking type
The following code(s) above F51.3 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 F51.3:
  • F01-F99
    2019 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 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • organic sleep disorders (G47.-)
    Sleep disorders not due to a substance or known physiological condition
Approximate Synonyms
  • Non-rapid eye movement sleep arousal disorder, sleepwalking type
  • Nonrem sleep arousal disorder, sleepwalking type
  • Sleep walking disorder
  • Sleepwalking
Clinical Information
  • A parasomnia characterized by a partial arousal that occurs during stage iv of non-rem sleep. Affected individuals exhibit semipurposeful behaviors such as ambulation and are difficult to fully awaken. Children are primarily affected, with a peak age range of 4-6 years.
  • A sleep disorder characterized by repeated episodes of rising from bed and walking about; while sleepwalking, the individual has a blank stare and can be awakened only with great difficulty. On awakening, the individual has amnesia for the episode.
ICD-10-CM F51.3 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 887 Other mental disorder diagnoses

Convert F51.3 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
Code annotations containing back-references to F51.3:
  • Type 2 Excludes: G47
    ICD-10-CM Diagnosis Code G47

    Sleep disorders

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 2 Excludes

Diagnosis Index entries containing back-references to F51.3:

ICD-10-CM Codes Adjacent To F51.3
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
F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified
F52 Sexual dysfunction not due to a substance or known physiological condition
F52.0 Hypoactive sexual desire disorder
F52.1 Sexual aversion disorder
F52.2 Sexual arousal disorders
F52.21 Male erectile disorder
F52.22 Female sexual arousal disorder

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