ICD-10 Coding for Ureteral Calculus(N13.0, N13.2, N13.2B)
Learn about ICD-10 coding for ureteral calculus, including primary and differential codes, documentation requirements, and common pitfalls.
Complete code families applicable to Ureteral Calculus
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| N20.1 | Calculus of ureter | Use when a ureteral stone is present without hydronephrosis or obstruction. |
|
| N13.2 | Hydronephrosis with ureteral obstruction | Use when a ureteral stone causes hydronephrosis. |
|
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
Essential facts and insights aboutUreteral Calculus
Alternative codes to consider when ruling out similar conditions
Documentation & Coding Risks
Avoid these common issues when documenting Ureteral Calculus.
Not specifying laterality of ureteral stone
Impact
Clinical: Impacts treatment decisions, Regulatory: Leads to coding inaccuracies, Financial: May affect reimbursement rates
Mitigation
Always document left or right side, Use templates that prompt for laterality
Coding both N20.1 and N13.2 together
Impact
Reimbursement: Incorrect sequencing can affect DRG assignment., Compliance: Violates ICD-10 Excludes1 note., Data Quality: Leads to inaccurate clinical data.
Mitigation
Use N13.2 exclusively when hydronephrosis is present.
Incorrect code sequencing
Impact
Using N20.1 and N13.2 together when hydronephrosis is present.
Mitigation
Educate coders on Excludes1 notes and proper sequencing.