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ICD-10 Coding for Stomach Cancer(C16.0, C16.9, C79.89)

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Explore ICD-10 coding for malignant neoplasm of the stomach, including specific site codes, documentation requirements, and coding tips.

Also known as:
Gastric CancerMalignant Neoplasm of Stomachcancer the stomach
Related ICD-10 Code Ranges

Complete code families applicable to Stomach Cancer

C00-D49Primary Range

Neoplasms

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
C16.0Malignant neoplasm of cardia
C16.9Malignant neoplasm of stomach, unspecified
Primary ICD-10-CM Codes
Malignant neoplasm of cardia
C16.0Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Benign neoplasm of stomachD13.1
Malignant neoplasm of cardiaC16.0

Documentation & Coding Risks

Avoid these common issues when documenting Stomach Cancer.

Omitting secondary site codes for metastasis

Impact

Clinical: Inaccurate representation of disease extent., Regulatory: Non-compliance with coding guidelines., Financial: Potential loss of reimbursement for metastatic sites.

Mitigation

Review imaging and pathology for metastasis, Include all relevant secondary site codes

Using C16.9 when specific site is documented

Impact

Reimbursement: Potential underpayment due to lack of specificity., Compliance: Increased audit risk., Data Quality: Decreased accuracy of clinical data.

Mitigation

Ensure specific site is coded when documented (e.g., C16.0 for cardia).

Specificity of site coding

Impact

Audits may target cases where C16.9 is used without site specificity.

Mitigation

Ensure documentation includes specific tumor location.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with C16.0.