Following the coding guidelines you would look in the alpha under degenerative
Degenerative
intervertebral disc NOS
with
myelopathy - see Disorder, disc, with, myelopathy
Radiculitis or radiculopathy - see Disorder, disc, with, radiculopathy
cervical, cervicothoracic - see Disorder, disc, cervical, degeneration
with
myelopathy - see Disorder, disc, cervical, with myelopathy
neuritis, radiculitis or radiculopathy - see Disorder, disc, cervical, with neuritis
lumbar region M51.36
with
myelopathy M51.06
neuritis, radiculitis, radiculopathy or sciatica M51.16
The word "with" in the listing means these conditions are assumed to be linked and would be coded together, or in this case with a combination code.