2024 ICD-10-CM Diagnosis Code C48.0

Malignant neoplasm of retroperitoneum

  • C48.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM C48.0 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of C48.0 – other international versions of ICD-10 C48.0 may differ.

The following code(s) above C48.0 contain annotation back-references

 that may be applicable to C48.0:

  • C00-D49  Neoplasms
  • C48  Malignant neoplasm of retroperitoneum and peritoneum

Approximate Synonyms

  • Cancer of the retroperitoneum
  • Cancer of the retroperitoneum pouch
  • Cancer retroperitoneal soft tissue, sarcoma
  • Liposarcoma of retroperitoneum
  • Liposarcoma, retroperitoneum
  • Primary malignant neoplasm of retroperitoneal pouch
  • Primary malignant neoplasm of retroperitoneum
  • Retroperitoneal sarcoma

Clinical Information

  • A primary or metastatic malignant neoplasm involving the retroperitoneum. The vast majority of cases are carcinomas, lymphomas, or sarcomas.

ICD-10-CM C48.0 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 826 Myeloproliferative disorders or poorly differentiated neoplasms with major o.r. Procedures with mcc
  • 827 Myeloproliferative disorders or poorly differentiated neoplasms with major o.r. Procedures with cc
  • 828 Myeloproliferative disorders or poorly differentiated neoplasms with major o.r. Procedures without cc/mcc
  • 829 Myeloproliferative disorders or poorly differentiated neoplasms with other procedures with cc/mcc
  • 830 Myeloproliferative disorders or poorly differentiated neoplasms with other procedures without cc/mcc
  • 843 Other myeloproliferative disorders or poorly differentiated neoplastic diagnoses with mcc
  • 844 Other myeloproliferative disorders or poorly differentiated neoplastic diagnoses with cc
  • 845 Other myeloproliferative disorders or poorly differentiated neoplastic diagnoses without cc/mcc

Convert C48.0 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to C48.0:

  • Type 2 Excludes: C49