How is a neuroplasty procedure described in the CPT Professional Edition?

a. The decompression or freeing of intact nerve from scar tissue, including external neurolysis and/or transposition

b. The surgical repair of nerves using only microscopic techniques

c. The position of nerves tested one or more anatomic digits

d. The decompression or freeing of an intact vein from scar tissue, including external neurolysis and/or transposition