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D49 Neoplasms of unspecified behavior
BackD49.0Neoplasm of unspecified behavior of digestive systemCategoryD49.1Neoplasm of unspecified behavior of respiratory systemCategoryD49.2Neoplasm of unspecified behavior of bone, soft tissue, and skinCategoryD49.3Neoplasm of unspecified behavior of breastCategoryD49.4Neoplasm of unspecified behavior of bladderCategoryD49.5Neoplasm of unspecified behavior of other genitourinary organsCategory2 →D49.51Neoplasm of unspecified behavior of kidneyCategory3 →D49.511Neoplasm of unspecified behavior of right kidneyCategoryD49.512Neoplasm of unspecified behavior of left kidneyCategoryD49.519Neoplasm of unspecified behavior of unspecified kidneyCategoryD49.59Neoplasm of unspecified behavior of other genitourinary organCategoryD49.6Neoplasm of unspecified behavior of brainCategoryD49.7Neoplasm of unspecified behavior of endocrine glands and other parts of nervous systemCategoryD49.8Neoplasm of unspecified behavior of other specified sitesCategory2 →D49.81Neoplasm of unspecified behavior of retina and choroidCategoryD49.89Neoplasm of unspecified behavior of other specified sitesCategoryD49.9Neoplasm of unspecified behavior of unspecified siteCategory
Category
D49
Neoplasms of unspecified behavior
INCLUDES
'growth' NOS
neoplasm NOS
new growth NOS
tumor NOS
neoplasm NOS
new growth NOS
tumor NOS
EXCLUDES
Excludes1: neoplasms of uncertain behavior (D37-D44, D48)
NOTE
Category D49 classifies by site neoplasms of unspecified morphology and behavior. The term 'mass', unless otherwise stated, is not to be regarded as a neoplastic growth.
- Chapter
- II · Neoplasms
- Section
- D49
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.