03.09 Other exploration and decompression of spinal canal
Decompression:
laminectomy
laminotomy
Expansile laminoplasty
Exploration of spinal nerve root
Foraminotomy
Code also any synchronous insertion, replacement and revision of posterior
spinal motion preservation device(s), if performed (84.80 - 84.85)
Excludes:
drainage of spinal fluid by anastomosis (03.71-03.79)
laminectomy with excision of intervertebral disc (80.51)
spinal tap (03.31)
that as operative approach -- omit code