ICD-10-CM diagnosis code
N36.42 Intrinsic sphincter deficiency (ISD)
- Billable
- Yes, a complete code (FY2026)
- Category
- N36 Other disorders of urethra
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Other codes in N36
10 complete codes in this category.
- N36.0Urethral fistula
- N36.1Urethral diverticulum
- N36.2Urethral caruncle
- N36.41Hypermobility of urethra
- N36.42Intrinsic sphincter deficiency (ISD)
- N36.43Combined hypermobility of urethra and intrinsic sphincter deficiency
- N36.44Muscular disorders of urethra
- N36.5Urethral false passage
- N36.8Other specified disorders of urethra
- N36.9Urethral disorder, unspecified
Documentation tips
- Make sure the note supports every element of the title, “Intrinsic sphincter deficiency (ISD)”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to N36.
The international WHO ICD-10 also has N36, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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