ICD-10 Coding for Hydroureteronephrosis(B96.20U, N13.0, N13.2)

Learn about the ICD-10 coding for hydroureteronephrosis, including primary and secondary codes, documentation requirements, and common pitfalls.

Also known as:
Obstructive uropathyUreteral obstruction with hydronephrosis
Related ICD-10 Code Ranges

Complete code families applicable to Hydroureteronephrosis

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
N13.32Calculus obstruction of ureter
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 aboutHydroureteronephrosis

Differential Codes

Alternative codes to consider when ruling out similar conditions

PyonephrosisN13.6
Calculus obstruction of ureterN13.32

Documentation & Coding Risks

Avoid these common issues when documenting Hydroureteronephrosis.

Lack of laterality documentation

Impact

Clinical: Impacts treatment decisions., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation

Always document right, left, or bilateral involvement.

Using N20.0 with N13.2

Impact

Reimbursement: Incorrect coding can lead to claim denials., Compliance: Violates ICD-10 Excludes1 note., Data Quality: Leads to inaccurate clinical data.

Mitigation

Use N13.2 alone when hydronephrosis is due to a stone.

Unspecified codes

Impact

Using unspecified codes like N13.30 can trigger audits.

Mitigation

Ensure detailed documentation to support specific coding.

Frequently Asked Questions