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ICD-10 Coding for Ureteric Calculus(N20.1, N13.2, N39.0)

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Learn about ICD-10 coding for ureteric calculus, including codes N20.1 and N13.2, documentation requirements, and common coding pitfalls.

Also known as:
Ureteral StoneUreterolithiasis
Related ICD-10 Code Ranges

Complete code families applicable to Ureteric Calculus

N00-N99Primary Range

Diseases of the genitourinary system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
N20.1Calculus of ureter
N13.2Hydronephrosis with ureteral obstruction
Primary ICD-10-CM Codes
Calculus of ureter
N20.1Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Hydronephrosis with ureteral obstructionN13.2
Calculus of ureter without obstructionN20.1

Documentation & Coding Risks

Avoid these common issues when documenting Ureteric Calculus.

Omitting laterality in documentation

Impact

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

Mitigation

Always document left, right, or bilateral, Use templates that prompt for laterality

Using N20.1 and N13.2 together

Impact

Reimbursement: Incorrect DRG assignment may occur., Compliance: Violates Excludes1 note rules., Data Quality: Leads to inaccurate clinical data.

Mitigation

Use only N13.2 when hydronephrosis is present.

Incorrect Code Combinations

Impact

Using N20.1 and N13.2 together despite Excludes1 notes.

Mitigation

Educate coders on Excludes1 rules and provide decision trees.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with N20.1.