Category 239 classifies by site neoplasms of unspecified morphology and behavior. The term "mass," unless otherwise stated, is not to be regarded as a neoplastic growth.
Includes:
"growth" NOS
neoplasm NOS
new growth NOS
tumor NOS
239.7 Endocrine glands and other parts of nervous system
Excludes:
peripheral, sympathetic, and parasympathetic nerves and ganglia (239.2)