ICD-10-CM > C00-D49 > D49-D49 > D49 > D49.7 D49.7 Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system Billable/Specific Copy Code Copy Description Type 1 Excludes neoplasm of unspecified behavior of peripheral, sympathetic, and parasympathetic nerves and ganglia (D49.2)