ICD-10 Coding for Peritoneal Cancer(C48.2, C78.6)
Complete ICD-10-CM coding and documentation guide for Peritoneal Cancer. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Peritoneal Cancer
C48.0-C48.2Primary Range
Malignant neoplasm of retroperitoneum and peritoneum
This range includes primary malignant neoplasms originating in the peritoneum.
Secondary malignant neoplasm of retroperitoneum and peritoneum
This code is used for secondary malignant neoplasms that have metastasized to the peritoneum.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| C48.2 | Malignant neoplasm of peritoneum | Use when the primary cancer originates in the peritoneum. |
|
| C78.6 | Secondary malignant neoplasm of retroperitoneum and peritoneum | Use when cancer has metastasized to the peritoneum from another primary site. |
|
Clinical Decision Support
Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.
Key Information: ICD-10 code for primary peritoneal cancer
Essential facts and insights about Peritoneal Cancer
Primary ICD-10-CM Codes for peritoneal cancer
Decision Criteria
clinical Criteria
- Histologic confirmation of peritoneal origin
documentation Criteria
- Imaging showing primary peritoneal involvement
Applicable To
- Primary peritoneal cancer
Excludes
- Secondary peritoneal cancer (C78.6)
Clinical Validation Requirements
- Histologic confirmation of peritoneal origin
- Imaging showing primary peritoneal involvement
Code-Specific Risks
- Misclassification as secondary cancer
Coding Notes
- Ensure primary origin is documented to avoid misclassification.
C78.6 - Secondary malignant neoplasm of retroperitoneum and peritoneum
Use when cancer has metastasized to the peritoneum from another primary site.
Applicable To
- Metastatic peritoneal cancer
Excludes
- Primary peritoneal cancer (C48.2)
Clinical Validation Requirements
- Biopsy confirming metastatic disease
- Imaging showing secondary peritoneal involvement
Coding Notes
Ensure the primary site is documented and coded first.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Malignant ascites
R18.0Differential Codes
Alternative codes to consider when ruling out similar conditions to the primary diagnosis.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Peritoneal Cancer to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code C48.2.
Impact
Clinical: Inaccurate treatment planning, Regulatory: Non-compliance with coding standards, Financial: Potential for denied claims
Mitigation Strategy
Verify primary site with imaging and biopsy, Include comprehensive documentation in patient records
Impact
Reimbursement: Incorrect reimbursement due to misclassification, Compliance: Potential compliance issues with coding guidelines, Data Quality: Inaccurate cancer registry data
Mitigation Strategy
Verify and document the primary origin of the cancer.
Impact
Misclassification of primary and secondary peritoneal cancer can lead to audit findings.
Mitigation Strategy
Ensure thorough documentation and verification of cancer origin.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Peritoneal Cancer, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Peritoneal Cancer
Use these documentation templates to ensure complete and accurate documentation for Peritoneal Cancer. These templates include all required elements for proper coding and billing.
Primary Peritoneal Cancer Diagnosis
Specialty: OncologyRequired Elements
- Histologic confirmation
- Imaging results
- Symptom documentation
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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