2020 ICD-10-CM Diagnosis Code F45.9

Somatoform disorder, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • F45.9 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 F45.9 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of F45.9 - other international versions of ICD-10 F45.9 may differ.
Applicable To
  • Psychosomatic disorder NOS
The following code(s) above F45.9 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 F45.9:
  • 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
  • F45
    ICD-10-CM Diagnosis Code F45

    Somatoform disorders

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • dissociative and conversion disorders (F44.-)
    • factitious disorders (F68.1-, F68.A)
    • hair-plucking (F63.3)
    • lalling (F80.0)
    • lisping (F80.0)
    • malingering [conscious simulation] (Z76.5)
    • nail-biting (F98.8)
    • psychological or behavioral factors associated with disorders or diseases classified elsewhere (F54)
    • sexual dysfunction, not due to a substance or known physiological condition (F52.-)
    • thumb-sucking (F98.8)
    • tic disorders (in childhood and adolescence) (F95.-)
    • Tourette's syndrome (F95.2)
    • trichotillomania (F63.3)
    Somatoform disorders
Approximate Synonyms
  • Psychophysiologic disorder
  • Psychosomatic disorder
  • Somatic symptom and related disorder
  • Somatic symptom disorder
  • Somatoform disorder
Clinical Information
  • A category of psychiatric disorders which are characterized by the presence of physical symptoms that suggest a medical condition but are not fully explained by any known medical reasons.
  • A group of disorders characterized by physical symptoms that are affected by emotional factors and involve a single organ system, usually under autonomic nervous system control. (american psychiatric glossary, 1988)
  • Characterized by physical symptoms and demonstrable structural or physiological changes in which emotional factors are believed to play a major etiologic role.
  • Disorders characterized by bodily symptoms caused by psychological factors.
  • Disorders having the presence of physical symptoms that suggest a general medical condition but that are not fully explained by a general medical condition, by the direct effects of a substance, or by another mental disorder. The symptoms must cause clinically significant distress or impairment in social, occupational, or other areas of functioning. In contrast to factitious disorders and malingering, the physical symptoms are not under voluntary control. (apa, dsm-iv)
ICD-10-CM F45.9 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 882 Neuroses except depressive

Convert F45.9 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 F45.9:

ICD-10-CM Codes Adjacent To F45.9
F45.1 Undifferentiated somatoform disorder
F45.2 Hypochondriacal disorders
F45.20 Hypochondriacal disorder, unspecified
F45.21 Hypochondriasis
F45.22 Body dysmorphic disorder
F45.29 Other hypochondriacal disorders
F45.4 Pain disorders related to psychological factors
F45.41 Pain disorder exclusively related to psychological factors
F45.42 Pain disorder with related psychological factors
F45.8 Other somatoform disorders
F45.9 Somatoform disorder, unspecified
F48 Other nonpsychotic mental disorders
F48.1 Depersonalization-derealization syndrome
F48.2 Pseudobulbar affect
F48.8 Other specified nonpsychotic mental disorders
F48.9 Nonpsychotic mental disorder, unspecified
F50 Eating disorders
F50.0 Anorexia nervosa
F50.00 …… unspecified
F50.01 …… restricting type
F50.02 …… binge eating/purging type

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