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ICD-10 Coding for Renal Colic(N23, N20.1, N13.2)

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Learn about ICD-10 coding for renal colic, including code N23 for unspecified renal colic and N20.1 for confirmed ureteral stones. Ensure accurate documentation and compliance.

Also known as:
Kidney Stone PainUreteral Colic
Related ICD-10 Code Ranges

Complete code families applicable to Renal Colic

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
N23Unspecified renal colic
N20.1Calculus of ureter
N13.2Hydronephrosis with ureteral stone
Primary ICD-10-CM Codes
Unspecified renal colic
N23Billable
Calculus of ureter
N20.1Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Calculus of kidneyN20.0

Use when a kidney stone is confirmed by imaging.

Unspecified renal colicN23
Calculus of ureterN20.1

Documentation & Coding Risks

Avoid these common issues when documenting Renal Colic.

Vague pain documentation

Impact

Clinical: May lead to incorrect diagnosis coding., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims.

Mitigation

Specify pain location and characteristics, Include imaging results in documentation

Using N23 when a stone is confirmed by imaging.

Impact

Reimbursement: May result in lower DRG assignment., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use N20.x or N21.x when a stone is confirmed.

Combining N20.x with N13.2.

Impact

Reimbursement: Incorrect DRG assignment., Compliance: Violation of Excludes1 note., Data Quality: Inconsistent clinical data.

Mitigation

Use N13.2 alone when hydronephrosis is present.

Imaging Documentation

Impact

Failure to document imaging results can lead to incorrect coding.

Mitigation

Ensure all imaging findings are included in the clinical note.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with N23.