2026 ICD-10-CM Diagnosis Code D38.2Neoplasm of uncertain behavior of pleura
ICD-10-CM Codes›C00–D49›D37-D48›D38
- Billable — Valid for Submission
- Not Chronic
D38.2 is a billable ICD-10-CM diagnosis code for neoplasm of uncertain behavior of pleura. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 180 through 182. Coders also document this condition as neoplasm of parietal pleura. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neoplasms of unspecified nature or uncertain behavior.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Neoplasm of parietal pleura
- Neoplasm of uncertain behavior of parietal pleura
- Neoplasm of uncertain behavior of pleura
- Neoplasm of uncertain behavior of visceral pleura
- Neoplasm of visceral pleura
- Solitary fibrous tumor
- Solitary fibrous tumor of pleura
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Table of NeoplasmsClinical
Anatomical sites in the Table of Neoplasms that reference this code family.
Patient EducationClinical
Pleural Disorders
Your pleura is a large, thin sheet of tissue that wraps around the outside of your lungs and lines the inside of your chest cavity. Between the layers of the pleura is a very thin space. Normally it's filled with a small amount of fluid.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert D38.2 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About D38.2Overview
Is D38.2 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report neoplasm of uncertain behavior of pleura on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does D38.2 group to?
When neoplasm of uncertain behavior of pleura is the principal diagnosis on an inpatient stay, it groups to MS-DRG 180, 181, 182, with relative weights from 0.7440 to 1.7660 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of D38.2?
Under the General Equivalence Mappings, neoplasm of uncertain behavior of pleura converts to ICD-9-CM 235.8 (unc behav neo pleura). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.
