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v1.0.0
ICD-10 Guide
ICD-10 CodesD41.10

D41.10

Billable

Neoplasm of uncertain behavior of unspecified renal pelvis

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 D41.10 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of unspecified renal pelvis.

Key Diagnostic Point:

D41.10 refers to a neoplasm of uncertain behavior located in the renal pelvis, which is the area of the kidney where urine collects before moving to the ureter. Neoplasms of uncertain behavior are tumors that cannot be definitively classified as benign or malignant based on histological examination. This uncertainty necessitates careful monitoring and follow-up, as these tumors may exhibit varying degrees of aggressiveness. The renal pelvis is a critical area, and neoplasms here can potentially obstruct urinary flow, leading to complications such as hydronephrosis. Surveillance strategies often include imaging studies and regular assessments to monitor for any changes in size or characteristics of the neoplasm. The potential for progression to malignancy, although not guaranteed, underscores the importance of ongoing evaluation. Clinicians must remain vigilant, as the behavior of these neoplasms can change over time, necessitating a multidisciplinary approach to management that may involve urologists, oncologists, and radiologists.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Uncertainty in behavior classification
  • Need for ongoing surveillance and follow-up
  • Potential for progression to malignancy
  • Variability in clinical presentation

Audit Risk Factors

  • Inadequate documentation of tumor behavior
  • Failure to document follow-up imaging
  • Lack of clarity on treatment plans
  • Inconsistent terminology in pathology reports

Specialty Focus

Medical Specialties

Urology

Documentation Requirements

Detailed pathology reports, imaging studies, and clinical notes regarding tumor behavior and follow-up plans.

Common Clinical Scenarios

Patients presenting with hematuria, flank pain, or incidental findings on imaging.

Billing Considerations

Urologists must document the rationale for surveillance protocols and any changes in tumor characteristics.

Oncology

Documentation Requirements

Comprehensive treatment plans, including any chemotherapy or radiation therapy considerations.

Common Clinical Scenarios

Patients with a history of renal neoplasms requiring multidisciplinary management.

Billing Considerations

Oncologists should ensure that the potential for malignancy is clearly communicated in the medical record.

Coding Guidelines

Inclusion Criteria

Use D41.10 When
  • According to ICD
  • CM guidelines, D41
  • 10 should be used when a neoplasm of uncertain behavior is confirmed but not specified further
  • Coders must ensure that the diagnosis is supported by appropriate clinical documentation and that any related conditions are also coded

Exclusion Criteria

Do NOT use D41.10 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

88305CPT Code

Pathology examination, surgical

Clinical Scenario

Used when a biopsy is performed to determine the behavior of the neoplasm.

Documentation Requirements

Pathology report must clearly indicate the findings and behavior classification.

Specialty Considerations

Urologists and oncologists should ensure that the pathology report is comprehensive.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. D41.10 provides a clear classification for these cases, improving data accuracy and facilitating better patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. D41.10 provides a clear classification for these cases, improving data accuracy and facilitating better patient management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. D41.10 provides a clear classification for these cases, improving data accuracy and facilitating better patient management.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What does 'neoplasm of uncertain behavior' mean?

It refers to tumors that cannot be definitively classified as benign or malignant based on histological examination, requiring careful monitoring.

How often should patients with D41.10 be monitored?

Surveillance frequency depends on clinical judgment, but typically includes regular imaging and clinical evaluations to assess for changes.

Can D41.10 be used for billing purposes?

Yes, D41.10 can be used for billing, but it must be supported by appropriate documentation and clinical findings.