F44.9
BillableDissociative and conversion disorder, unspecified
Dissociative and conversion disorder, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Dissociative disorder NOS
Includes
Conditions included under this code
- disorders of psychological development
- conversion hysteria
- conversion reaction
- hysteria
- hysterical psychosis
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(8)
F44.0Dissociative amnesia
F44.1Dissociative fugue
F44.2Dissociative stupor
F44.4Conversion disorder with motor symptom or deficit
F44.5Conversion disorder with seizures or convulsions
F44.6Conversion disorder with sensory symptom or deficit
F44.7Conversion disorder with mixed symptom presentation
F44.8Other dissociative and conversion disorders
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(65)
SNOMED CT
- Recurrent conversion disorder35827000
- Dissociative disorder44376007
- Conversion disorder, single episode111492006
- Acute hysterical psychosis191677006
- Dissociation - mental defence mechanism286669009
- Dissociation - mental defense mechanism286669009
- Dissociative disorder in remission698952009
- Secondary dissociative disorder723915002
- Secondary dissociative syndrome723915002
- Dissociative neurological symptom disorder co-occurrent with chorea788907005
- Functional chorea788907005
- Dissociative neurological symptom disorder co-occurrent with myoclonus788910003
- Functional neurological symptom disorder with myoclonus788910003
UMLS
- DISSOCIATIVE DISC0012746
- Disorder, DissociativeC0012746
- Disorders, DissociativeC0012746
- Dissociative DisorderC0012746
- Dissociative DisordersC0012746
- Dissociative ReactionC0012746
- Dissociative ReactionsC0012746
- Dissociative disorderC0012746
- Dissociative disorder (disorder)C0012746
- Dissociative disorder NOSC0012746
- Dissociative disorder or reaction, unspecifiedC0012746
- Dissociative disordersC0012746
- Reaction, DissociativeC0012746
- Reactions, DissociativeC0012746
- conversion disorderC0012746
- conversions disorderC0012746
- disorder dissociativeC0012746
- disorders dissociativeC0012746
- dissociative disorderC0012746
- dissociative disordersC0012746
- dissociative reactionC0012746
- dissociative reactionsC0012746
- Dissociative and conversion disorder, unspecifiedC1442976
- Dissociative and conversion disordersC1442976
Clinical Terms
- Disorders, Dissociative
- conversions disorder
- conversion disorder
- Dissociative neurological symptom disorder co-occurrent with myoclonus
- Dissociative disorders
- Conversion disorder, single episode
- disorders dissociative
- dissociative disorder
- Dissociative Reaction
- Dissociative neurological symptom disorder co-occurrent with chorea
- DISSOCIATIVE DIS
- Dissociative disorder or reaction, unspecified
- Functional neurological symptom disorder with myoclonus
- Recurrent conversion disorder
- Acute hysterical psychosis
- Dissociative disorder NOS
- Functional chorea
- Dissociative disorder in remission
- Reaction, Dissociative
- Secondary dissociative disorder
- dissociative reactions
- Dissociation - mental defence mechanism
- Reactions, Dissociative
- disorder dissociative
- Disorder, Dissociative
- Secondary dissociative syndrome
- Dissociative disorder (disorder)
- Dissociation - mental defense mechanism
Frequently Asked Questions
What is the ICD-10 code for dissociative and conversion disorder, unspecified?
The ICD-10-CM code for dissociative and conversion disorder, unspecified is F44.9. The full clinical description is "Dissociative and conversion disorder, unspecified". F44.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code F44.9 mean?
ICD-10-CM code F44.9 represents “Dissociative and conversion disorder, unspecified”. It is classified under Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders and is a billable/specific code that can be used on a claim.
Is F44.9 a billable code?
Yes, F44.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is F44.9 in?
F44.9 is in Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (codes F01-F99).
What SNOMED CT codes does F44.9 map to?
F44.9 maps to 9 SNOMED CT concepts: 191677006, 111492006, 286669009, 44376007, 698952009, and 4 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for F44.9?
F44.9 is linked to 2 UMLS Concept Unique Identifiers: C0012746, C1442976. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does F44.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like dissociative and conversion disorder, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of F44.9?
F44.9 maps to the ICD-11 code: 6B6Z (Dissociative disorders, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.