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ICD-10 Coding for Wilms Tumor(C64.1, C64.2, C64.9)

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Comprehensive guide for coding and documenting Wilms tumor using ICD-10, including laterality, histology, and staging requirements.

Also known as:
NephroblastomaKidney Cancer in Children
Related ICD-10 Code Ranges

Complete code families applicable to Wilms Tumor

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
C64.1Malignant neoplasm of right kidney, except renal pelvis
C64.2Malignant neoplasm of left kidney, except renal pelvis
C64.9Malignant neoplasm of unspecified kidney, except renal pelvis
Primary ICD-10-CM Codes
Malignant neoplasm of right kidney, except renal pelvis
C64.1Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Malignant neoplasm of right renal pelvisC65.1
Malignant neoplasm of left renal pelvisC65.2
Malignant neoplasm of unspecified renal pelvisC65.9

Documentation & Coding Risks

Avoid these common issues when documenting Wilms Tumor.

Omitting laterality in documentation

Impact

Clinical: May affect treatment decisions., Regulatory: Non-compliance with coding standards., Financial: Potential for reduced reimbursement.

Mitigation

Always document laterality in clinical notes., Cross-check with imaging reports.

Using C64.9 when laterality is known

Impact

Reimbursement: May result in lower reimbursement due to unspecified coding., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases specificity and accuracy of health records.

Mitigation

Use C64.1 or C64.2 when laterality is specified.

Laterality Documentation

Impact

Failure to document laterality can lead to audit discrepancies.

Mitigation

Implement mandatory laterality documentation checks.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with C64.1.