Benign neoplasm of other and unspecified intrathoracic organs (D15) ICD-10-CM
The D15 code range covers benign neoplasm of other and unspecified intrathoracic organs with 6 ICD-10-CM diagnosis codes. 5 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- benign neoplasm of mesothelial tissue D19
Codes in the D15 Range 6 codes · 5 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the D15 range.
Benign Cardiac Neoplasm
A neoplasm that arises from the heart and is characterized by the absence of atypical or malignant cytological and architectural features, and absence of invasive features or metastatic potential. Representative examples include atrial myxoma, cardiac lipoma, and cardiac fibroma.
Benign Mediastinal Neoplasm
A neoplasm that arises from the mediastinum and is characterized by the absence of atypical or malignant cytological and architectural features, and absence of invasive features or metastatic potential. Representative examples include lipoma, leiomyoma, and schwannoma.
Benign Thymus Neoplasm
A non-metastasizing neoplasm that arises from the thymus.
About the D15 Code Range
These benign growths occur in organs or areas inside the chest, including the thymus, heart, and mediastinum.
The subdivisions identify the thymus (D15.0), heart (D15.1), and mediastinum (D15.2). Other specified organs inside the chest have D15.7; an unspecified organ has D15.9.
Questions About This Page
How many billable codes are in the D15 range?
Of the 6 codes in this range, 5 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the D15 range classify?
The range classifies benign neoplasm of other and unspecified intrathoracic organs. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
