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Diagnosis Code

C78.6 SECONDARY MALIGNANT NEOPLASM OF RETROPERITON AND PERITONEUM


Code Information

Diagnosis Code: C78.6

Short Description: Secondary malignant neoplasm of retroperiton and peritoneum

Long Description: Secondary malignant neoplasm of retroperitoneum and peritoneum

The code C78.6 is VALID for claim submission

Code Classification:

  • Neoplasms (C00–D49)
    • Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
      • Secondary malignant neoplasm of resp and digestive organs (C78)
        • C78.6 Secondary malignant neoplasm of retroperiton and peritoneum

Code Version: 2022 ICD-10-CM


Synonyms

  • Carcinoma of peritoneum
  • Carcinomatosis of peritoneal cavity
  • Carcinomatosis of peritoneum
  • Invasion of neoplasm to visceral peritoneum
  • Malignant neoplasm of mesentery
  • Malignant neoplasm of mesentery
  • Malignant neoplasm of mesocolon
  • Malignant neoplasm of omentum
  • Malignant neoplasm of perinephric tissue
  • Malignant neoplasm of retrocecal tissue
  • Malignant neoplasm of the pouch of Douglas
  • Malignant tumor of peritoneum and retroperitoneum
  • Metastatic malignant neoplasm to omentum
  • Metastatic malignant neoplasm to parietal peritoneum
  • Metastatic malignant neoplasm to pelvic peritoneum
  • Metastatic malignant neoplasm to periadrenal tissue
  • Metastatic malignant neoplasm to perirenal tissue
  • Metastatic malignant neoplasm to peritoneum
  • Metastatic malignant neoplasm to rectouterine pouch
  • Metastatic malignant neoplasm to retrocecal tissue
  • Metastatic malignant neoplasm to retroperitoneum
  • Metastatic malignant neoplasm to retroperitoneum and peritoneum
  • Metastatic malignant neoplasm to the mesentery
  • Metastatic malignant neoplasm to the mesocolon
  • Metastatic sarcoma to retroperitoneum
  • Neoplasm of omentum
  • Neoplasm of periadrenal tissue
  • Neoplasm of perirenal tissue
  • Neoplasm of rectouterine pouch
  • Neoplasm of retrocecal tissue
  • Neoplasm of the mesocolon
  • Pseudomyxoma peritonei
  • Renal tumor finding
  • Renal tumor invasion into perinephric tissue macroscopically
  • Tumor invades retroperitoneal structure
  • Tumor of peritoneum and retroperitoneum

Diagnostic Related Group(s)

The code C78.6 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Digestive Malignancy With Mcc (374)
  • Digestive Malignancy With Cc (375)
  • Digestive Malignancy Without Cc/mcc (376)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C78.6 Right Arrow 197.6 Sec mal neo peritoneum

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
C78 Secondary malignant neoplasm of respiratory and digestive organs
C78.0 Secondary malignant neoplasm of lung
C78.00 Secondary malignant neoplasm of unspecified lung
C78.01 Secondary malignant neoplasm of right lung
C78.02 Secondary malignant neoplasm of left lung
C78.1 Secondary malignant neoplasm of mediastinum
C78.2 Secondary malignant neoplasm of pleura
C78.3 Secondary malignant neoplasm of other and unspecified respiratory organs
C78.30 Secondary malignant neoplasm of unspecified respiratory organ
C78.39 Secondary malignant neoplasm of other respiratory organs
C78.4 Secondary malignant neoplasm of small intestine
C78.5 Secondary malignant neoplasm of large intestine and rectum
C78.7 Secondary malignant neoplasm of liver and intrahepatic bile duct
C78.8 Secondary malignant neoplasm of other and unspecified digestive organs
C78.80 Secondary malignant neoplasm of unspecified digestive organ
C78.89 Secondary malignant neoplasm of other digestive organs

This page was last updated on: 10/1/2023

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