ture and developing in associ ation with the use of medicati on (e.g., lithium, antidepres-
sants, valproate). This tremor is very similar to the tremor seen with anxiety, caffeine, and
other stimulants.
Other Medication-Induced Movement Disorder
333.99 (G25.79) Other Medication-Induced Movement Disorder
This category is for medication-induced movement disorders not captured by any of the
specific disorders listed above.  Examples include 1) presentations resembling neuroleptic
malignant syndrome that are associated with  medications other than neuroleptics and
2) other medication-induc ed tardive conditions.
Antidepressant Discontinuation Syndrome
995.29 ( T43.205A )Initial encounter
995.29 ( T43.205D )Subsequent encounter 
995.29 ( T43.205S )Sequelae
Antidepressant discontinuation syndrome is a set of symptoms that can occur after an
abrupt cessation (or marked re duction in dose) of an antide pressant medication that was
taken continuously for at least 1 month. Symp toms generally begin within 2–4 days and
typically include specific sensory, somatic,  and cognitive-emotional manifestations. Fre-