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N32.0

N32.0: Bladder-neck obstruction

Billable / specific codeICD-10-CM

N32.0 is a billable, specific ICD-10-CM code for bladder-neck obstruction. It is valid for submission on a claim.

Check N32.0 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • congenital bladder-neck obstruction (Q64.3-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Bladder-neck stenosis (acquired)

Excludes2 inherited from the categories above N32.0

Not part of this code, but both may be coded when both are present.

Written on N32: Other disorders of bladder

  • calculus of bladder (N21.0)
  • cystocele (N81.1-)
  • hernia or prolapse of bladder, female (N81.1-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N32.0 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56802Billing and Coding: Urodynamics
  • A57050Billing and Coding: Post-Void Residual Urine and/or Bladder Capacity by Ultrasound
  • A57455Billing and Coding: Urodynamics

Alphabetic index entries that lead here

  • Marion's disease(bladder neck obstruction)
  • Disease, diseased›Marion's(bladder neck obstruction)
  • Obstruction, obstructed, obstructive›bladder-neck(acquired)
  • Obstruction, obstructed, obstructive›vesical NEC
  • Obstruction, obstructed, obstructive›vesicourethral orifice
  • Stenosis, stenotic›bladder-neck(acquired)
  • Strangulation, strangulated›bladder-neck
  • Strangulation, strangulated›vesicourethral orifice
  • Stricture›vesicourethral orifice
  • Contraction, contracture, contracted›bladder›neck or sphincter
  • Contraction, contracture, contracted›urethra›orifice
  • Contraction, contracture, contracted›vesical›neck or urethral orifice

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N32

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.