ICD-10-CM N13.30
Updated 3/12/2025
Reviewed by Nathan Liu, MD

Unspecified hydronephrosis

Description

This code indicates a condition of unspecified hydronephrosis, which refers to the swelling of a kidney due to a build-up of urine. It is important to differentiate this from other codes that specify the type or cause of hydronephrosis, as those may require different management or treatment approaches.

Code Crosswalks

No crosswalks found.

Alternate Codes

No alternates found.

Billed With Codes

No codes found here.

Sources

We make no claims to ownership of the coding systems referenced on this platform. Codes and descriptions are produced from claims and chargemaster data available through the CMS-9915-F Transparency in Coverage Final Rule and via state or federal datasets. This service is provided solely as a reference to encourage use of these codes in our chargemaster review and automated billing tools, so that healthcare professionals can understand and correctly report these codes in their claims.

Federal and State Datasets

  • ICD-10 Files, Centers for Medicare & Medicaid Services (CMS)
  • ICD-10 (2019 Data), World Health Organization (WHO)
ICD-10-CM N13.30 Unspecified hydronephrosis - Code Description, Modifiers, Crosswalks, PFS RVUs, OPPS/APC Reimbursements | Feast Health