ICD-10 Coding for Solitary Kidney(I12.9U, N18.5U, N18.80)

Learn about ICD-10 coding for solitary kidney, including congenital and acquired cases, CKD staging, and documentation requirements.

Also known as:
Single KidneyUnilateral Renal AgenesisCongenital Solitary Kidney
Related ICD-10 Code Ranges

Complete code families applicable to Solitary Kidney

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
Q60.0Renal agenesis, unilateral
N18.80Unilateral chronic impairment of renal function
Z94.0Kidney transplant status

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 aboutSolitary Kidney

Differential Codes

Alternative codes to consider when ruling out similar conditions

Acquired absence of kidneyZ90.5
Chronic kidney disease, unspecifiedN18.9
Kidney transplant infectionT86.13

Documentation & Coding Risks

Avoid these common issues when documenting Solitary Kidney.

Failing to document the cause of solitary kidney

Impact

Clinical: May lead to inappropriate treatment plans., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims due to lack of specificity.

Mitigation

Always specify whether the condition is congenital or acquired., Include imaging results in the patient record.

Using N18.9 for unspecified CKD when specific staging is available

Impact

Reimbursement: May result in lower reimbursement due to lack of specificity., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of patient health records.

Mitigation

Always use specific CKD stage codes when GFR is documented.

CKD Staging

Impact

Incorrect staging of CKD can lead to audit flags.

Mitigation

Ensure accurate documentation of GFR and proteinuria.

Frequently Asked Questions