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Home/Diagnosis/ICD-10 Coding for Peritoneal Carcinomatosis

ICD-10 Coding for Peritoneal Carcinomatosis

C78.6
C48.2

Complete ICD-10-CM coding and documentation guide for icd-10 coding for peritoneal carcinomatosis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Peritoneal Metastasis
Secondary Peritoneal Cancer
carcinomatosis peritoneal
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Key Information: ICD-10 Coding for Peritoneal Carcinomatosis

Essential facts and insights about ICD-10 Coding for Peritoneal Carcinomatosis

Use ICD-10 code C78.6 for secondary malignant neoplasm of retroperitoneum and peritoneum, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Secondary malignant neoplasm of retroperitoneum and peritoneum

Billable Code
C78.6
Billable

Diagnostic Criteria

clinical:
  • • Presence of peritoneal nodules on imaging
documentation:
  • • Biopsy confirming metastatic adenocarcinoma

Applicable To

  • • Metastatic peritoneal cancer

Important Notes

  • • Ensure primary cancer site is documented and coded first.

Malignant neoplasm of peritoneum, unspecified

Billable Code
C48.2
Billable

Applicable To

  • • Primary peritoneal cancer

Important Notes

  • • Ensure no primary site is identified elsewhere before using this code.
Ancillary Codes

Additional codes that may be used with this diagnosis

R18.8

Other ascites

Use if ascites is present and clinically significant.

Frequently Asked Questions

What is the ICD-10 code for peritoneal carcinomatosis?

The ICD-10 code for peritoneal carcinomatosis is C78.6, which indicates a secondary malignant neoplasm of the retroperitoneum and peritoneum.

How do you code secondary peritoneal cancer?

Code secondary peritoneal cancer with C78.6, ensuring the primary cancer site is documented and coded first.

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