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N13.30

✓ Billable

Unspecified hydronephrosis

Diseases of the genitourinary system (N00-N99)

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❌ Excludes1

inherited from N13.3

Rules from parent category N13.3: Other and unspecified hydronephrosis

  • • hydronephrosis with infection (N13.6)

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Code Information

CodeN13.30
BillableYes
ParentN13.3
CategoryDiseases of the genitourinary system (N00-N99)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)