Billable / Specific Code
ICD-10-CM N99.521 is the diagnosis code for Infection of incontinent external stoma of urinary tract. This code falls under the section "Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified" within Chapter 14 — Diseases of the genitourinary system (N00-N99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where N99.521 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, N99.521 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
N99.521 is the ICD-10-CM diagnosis code for "Infection of incontinent external stoma of urinary tract". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of N99.521 is N99.52 ("Complication of incontinent external stoma of urinary tract"). N99.521 provides a more specific classification within this category.
N99.521 is located in Section N99 — "Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified" within Chapter 14 of the ICD-10-CM Tabular List.
Use N99.521 when the patients documented diagnosis matches "Infection of incontinent external stoma of urinary tract" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Infection of incontinent external stoma of urinary tract is N99.521.
Yes, N99.521 can be used as a primary diagnosis code since it is billable and specific.
N99.521 is in Chapter 14 of the ICD-10-CM Tabular List.
Yes, N99.521 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.