F44.9
Dissociative and conversion disorder, unspecified
Risk-adjusting (HCC)Billable code
HCC risk adjustment mapping
RxHCC V08
RXHCC133
Anxiety and Other Psychiatric Disorders
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · F44.9
Synonyms
Dissociative disorder NOS
Inherited from F44Dissociative and conversion disorders
Includes
conversion hysteria conversion reaction hysteria hysterical psychosis
Excludes 2
malingering [conscious simulation] (Z76.5)
Inherited from chapter 5Mental, Behavioral and Neurodevelopmental disorders
Includes
disorders of psychological development
Excludes 2
symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Official Guidelines for F44.9
FY 2026 ›Find F44.9 in the alphabetic index
16 index paths lead to this code
- Conversion hysteria, neurosis or reaction
- Dissociative reaction, state
- Hysteria, hysterical
- Substitution disorder
- Attack, attacks › hysterical
- Disorder › dissociative
- Hysteria, hysterical › psychosis, acute
- Neurosis, neurotic › conversion
- Neurosis, neurotic › hysterical
- Psychoneurosis, psychoneurotic › hysteria
- Psychosis, psychotic › hysterical
- Reaction › conversion
- Reaction › dissociative
- Reaction › hysterical
- State › dissociative
- Psychosis, psychotic › acute › hysterical