C48.0 – Malignant neoplasm of retroperitoneum

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of mesothelial and soft tissue

Billable code

ICD-10-CM code C48.0
Code
C48.0 (claims format: C480)
Description
Malignant neoplasm of retroperitoneum
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
2. Neoplasms (C00-D49)
Block
C45-C49 Malignant neoplasms of mesothelial and soft tissue
Parent codes
C48

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C48 – Malignant neoplasm of retroperitoneum and peritoneum

Excludes1 (not coded here):
  • Kaposi's sarcoma of connective tissue (C46.1)
  • mesothelioma (C45.-)

Related codes in C48

Frequently asked questions

What is ICD-10 code C48.0?

C48.0 is the ICD-10-CM code for malignant neoplasm of retroperitoneum, in the block C45-C49 (Malignant neoplasms of mesothelial and soft tissue).

Is C48.0 a billable code?

Yes. C48.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C48.0 belong to?

It belongs to category C48 – Malignant neoplasm of retroperitoneum and peritoneum.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.