Botulinum Toxin - intramuscular injection with botulinum toxin into peripheral muscle for treatment of focal spasticity secondary to an upper motor neuron disorder.  Maximum one botulinum treatment of one or more muscles per patient every 10 weeks.

G597 - Injection into first muscle per day; G598 - each additional muscle same day as G597 when G597 is payable in full (maximum 8 per day)

G599 - with electromyographic (EMG) guidance of injection into one or more muscles when G597 is payable in full (maximum 1 per day); E543 - use of disposable EMG hypodermic electrode outside hospital when G599 is payable in full (maximum 1 per patient per day)

Chemodenervation injection of individual peripheral motor nerve using phenol, ethyl alcohol or similar non-anesthetic chemical agents for reduction of focal spasticity, and may include electromyography (EMG) guidance of injection(s):

G485 - first major nerve and/or its branches ;G486 - each additional major nerve and/or its branches same day; Repeat or additional procedure within 30 days of previous chemodenervation injection;  G487 - first major nerve and/or its branches; G488- each additional major nerve and/or its branches same day