D49.8
ICD-10Non-billable categoryNeoplasm of unspecified behavior of other specified sites
Official ICD-10-CM descriptor (FY2026)
Neoplasm of unspecified behavior of other specified sites
D49.8 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- neoplasm of unspecified behavior of eyelid (skin) (D49.2)
- neoplasm of unspecified behavior of eyelid cartilage (D49.2)
- neoplasm of unspecified behavior of great vessels (D49.2)
- neoplasm of unspecified behavior of optic nerve (D49.7)
ICD-10-CM FY2026 defines 2 codes beneath D49.8. See the ICD-10-CM index for what this site publishes.
Related codes in D49
- D49.0Neoplasm of unspecified behavior of digestive system
- D49.1Neoplasm of unspecified behavior of respiratory system
- D49.2Neoplasm of unsp behavior of bone, soft tissue, and skin
- D49.3Neoplasm of unspecified behavior of breast
- D49.4Neoplasm of unspecified behavior of bladder
- D49.5Neoplasm of unsp behavior of other genitourinary organscategory
- D49.6Neoplasm of unspecified behavior of brain
- D49.7Neoplm of unsp behav of endo glands and oth prt nervous sys
- D49.9Neoplasm of unspecified behavior of unspecified site
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- D49
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.