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ICD-10-CM Code C78.6
Secondary malignant neoplasm of retroperitoneum and peritoneum

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

C78.6 is a billable ICD code used to specify a diagnosis of secondary malignant neoplasm of retroperitoneum and peritoneum. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code C786 is used to code Pseudomyxoma peritonei

Pseudomyxoma peritonei (PMP) is a clinical condition caused by cancerous cells (mucinous adenocarcinoma) that produce abundant mucin or gelatinous ascites. The tumors cause fibrosis of tissues and impede digestion or organ function, and if left untreated, the tumors and mucin they produce will fill the abdominal cavity. This will result in compression of organs and will destroy the function of colon, small intestine, stomach, or other organs. Prognosis with treatment in many cases optimistic, but the disease is lethal if untreated, with death by cachexia, bowel obstruction, or other types of complications.

Specialty: Oncology
MeSH Code: D011553
ICD 9 Code: 197.6

Computed tomographic scan of an abdomen showing pseudomyxoma peritonei with multiple peritoneal masses (arrow) with "scalloping effect" seen.

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #374-376 - Digestive malignancy with MCC.
  • DRG Group #374-376 - Digestive malignancy with CC.
  • DRG Group #374-376 - Digestive malignancy without CC or MCC.

ICD-10-CM Alphabetical Index References for 'C78.6 - Secondary malignant neoplasm of retroperitoneum and peritoneum'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code C78.6. Click on any term below to browse the alphabetical index.

Pseudomyxoma peritonei (C78.6)


Secondary malignant neoplasm of retroperitoneum and peritoneum (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 197.6 was previously used, C78.6 is the appropriate modern ICD10 code.

Parent Code: C78 - Secondary malignant neoplasm of respiratory and digestive organs

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/C786