ICD-10 Coding for Ureteral Stone with Hydronephrosis(N13.0, N13.2, N13.2B)

Learn about the ICD-10 coding for ureteral stone with hydronephrosis, including primary codes, documentation requirements, and common pitfalls.

Also known as:
Ureter Stone with HydronephrosisUreteral Calculus with Hydronephrosis
Related ICD-10 Code Ranges

Complete code families applicable to Ureteral Stone with Hydronephrosis

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
N13.2Hydronephrosis with renal and ureteral calculous obstruction
N13.6Pyonephrosis

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 Stone with Hydronephrosis

Differential Codes

Alternative codes to consider when ruling out similar conditions

PyonephrosisN13.6

Use when infection is present with hydronephrosis and stone.

Hydronephrosis with renal and ureteral calculous obstructionN13.2

Use when no infection is present.

Documentation & Coding Risks

Avoid these common issues when documenting Ureteral Stone with Hydronephrosis.

Failing to document hydronephrosis explicitly

Impact

Clinical: Misrepresentation of patient condition, Regulatory: Potential for audit issues, Financial: Denial of claims due to incorrect coding

Mitigation

Educate clinicians on documentation standards, Use templates with required fields

Using N20.1 when hydronephrosis is documented

Impact

Reimbursement: Incorrect DRG assignment may reduce reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Verify imaging reports for hydronephrosis before coding.

Incorrect Code Usage

Impact

Using N20.1 instead of N13.2 when hydronephrosis is present.

Mitigation

Regular training and audits of coding practices.

Frequently Asked Questions