D38
ICD-10Non-billable categoryNeoplm of uncrt behav of mid ear & resp and intrathorac org
Official ICD-10-CM descriptor (FY2026)
Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs
D38 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 uncertain behavior of heart (D48.7)
More specific codes under D38
- D38.0Neoplasm of uncertain behavior of larynx
- D38.1Neoplasm of uncertain behavior of trachea, bronchus and lung
- D38.2Neoplasm of uncertain behavior of pleura
- D38.3Neoplasm of uncertain behavior of mediastinum
- D38.4Neoplasm of uncertain behavior of thymus
- D38.5Neoplasm of uncertain behavior of other respiratory organs
- D38.6Neoplasm of uncertain behavior of respiratory organ, unsp
Where this code sits
- Chapter
- 2. Neoplasms (C00-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.