Conversion Disorder
(Functional Neurological Symptom Disorder)
Diagnostic Criteria
A. One or more symptoms of altered voluntary motor or sensory function.
B. Clinical findings provide evidence of incompatibility between the symptom and recog-
nized neurological or medical conditions.
C. The symptom or deficit is not better explained by another medical or mental disorder.
D. The symptom or deficit causes clinically significant distress or impairment in social, oc-
cupational, or other important areas of functioning or warrants medical evaluation.
Coding note: The ICD-9-CM code for conversion disorder is 300.11, which is assigned
regardless of the symptom type. The ICD-10-CM code depends on the symptom type (see
below).
Specify symptom type:
(F44.4) With weakness or paralysis
(F44.4) With abnormal movement  (e.g., tremor, dystonic movement, myoclonus, gait
disorder)
(F44.4) With swallowing symptoms
(F44.4) With speech symptom  (e.g., dysphonia, slurred speech)
(F44.5) With attacks or seizures
(F44.6) With anesthesia or sensory loss
(F44.6) With special sensory symptom  (e.g., visual, olfactory, or hearing distur-
bance)
(F44.7) With mixed symptoms