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Home/Diagnosis/ICD-10 Coding for Peritoneal Carcinoma

ICD-10 Coding for Peritoneal Carcinoma

C48.2
C78.6

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

Also Known as:
Peritoneal Cancer
Peritoneal Carcinomatosis
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Key Information: ICD-10 Coding for Peritoneal Carcinoma

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

Use ICD-10 code C48.2 for malignant neoplasm of peritoneum, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Malignant neoplasm of peritoneum, unspecified

Billable Code
C48.2
Billable

Diagnostic Criteria

clinical:
  • • Histology confirms primary peritoneal origin without ovarian involvement.
documentation:
  • • Documentation must exclude ovarian/fallopian tube origin.

Applicable To

  • • Primary peritoneal carcinoma

Important Notes

  • • Ensure documentation clearly differentiates between primary and secondary peritoneal carcinoma.

Secondary malignant neoplasm of peritoneum

Billable Code
C78.6
Billable

Diagnostic Criteria

clinical:
  • • Evidence of metastasis from another primary site
  • • Imaging or biopsy confirming secondary involvement

Applicable To

  • • Metastatic peritoneal carcinomatosis

Important Notes

  • • Ensure primary site is documented and coded alongside C78.6.
Ancillary Codes

Additional codes that may be used with this diagnosis

R18.0

Malignant ascites

Use when ascites is present as a result of the peritoneal carcinoma.

Z85.3

Personal history of malignant neoplasm of breast

Use if applicable to document history of primary cancer.

Frequently Asked Questions

What is the ICD-10 code for primary peritoneal carcinoma?

The ICD-10 code for primary peritoneal carcinoma is C48.2, which is used when the carcinoma originates in the peritoneum.

How do you code secondary peritoneal carcinomatosis?

Secondary peritoneal carcinomatosis is coded as C78.6, indicating metastasis from another primary site.

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