All ICD10 Codes

F45

Non-Billable
ChapterF01–F99
Rankcategory
Official Description

Somatoform disorders

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

CH5 Parent Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Instructional Notes

Excludes2(Not included here)
  • 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)

Clinical Hierarchy

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
F45Somatoform disorders
F45.0Somatization disorder
F45.1Undifferentiated somatoform disorder
F45.2Hypochondriacal disorders
F45.4Pain disorders related to psychological factors
F45.8Other somatoform disorders
F45.9Somatoform disorder, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F45:

chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to F45. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Achlorhydria, achlorhydric (neurogenic)1 unique routes
psychogenic→F45
Achylia gastrica1 unique routes
psychogenic→F45
Acid1 unique routes
stomach
psychogenic→F45
Acidity, gastric (high)1 unique routes
psychogenic→F45
Action, heart1 unique routes
irregular
psychogenic→F45
Aerophagy, aerophagia (psychogenic)1 unique routes
Direct index entry→F45
Air1 unique routes
hunger, psychogenic→F45
Anacidity, gastric1 unique routes
psychogenic→F45
Angioneurosis1 unique routes
Direct index entry→F45
Apepsia1 unique routes
psychogenic→F45
Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle)1 unique routes
psychogenic→F45
Asthenia, asthenic5 unique routes
cardiac
psychogenic→F45
cardiovascular
psychogenic→F45
heart
psychogenic→F45
myocardial
psychogenic→F45
neurocirculatory→F45
Atonia, atony, atonic3 unique routes
cecum
psychogenic→F45
intestine
psychogenic→F45
stomach
neurotic or psychogenic→F45
Bigorexia1 unique routes
Direct index entry→F45
Briquet's disorder or syndrome1 unique routes
Direct index entry→F45
Bruxism1 unique routes
psychogenic→F45
Cancer (o)phobia1 unique routes
Direct index entry→F45
Carcinomaphobia1 unique routes
Direct index entry→F45
Cardiophobia1 unique routes
Direct index entry→F45

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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