U.S. ICD-10-CM · FY 2027

N40.1 ICD-10-CM Code: Benign prostatic hyperplasia with lower urinary tract symptoms

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

N40.1

Benign prostatic hyperplasia with lower urinary tract symptoms

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where N40.1 sits

  1. 1

    Chapter 14

    Diseases of the genitourinary system (N00-N99)

  2. 2

    Section

    Diseases of male genital organs (N40-N53)

  3. 3

    Category N40

    Benign prostatic hyperplasia

  4. 4

    Code N40.1

    Benign prostatic hyperplasia with lower urinary tract symptoms

Documentation details

Notes for this code

Inclusion terms

  • Enlarged prostate with LUTS

Code first

No “code first” instruction is listed for N40.1.

Use additional code

  • code for associated symptoms, when specified:
  • incomplete bladder emptying (R39.14)
  • nocturia (R35.1)
  • straining on urination (R39.16)
  • urinary frequency (R35.0)
  • urinary hesitancy (R39.11)
  • urinary incontinence (N39.4-)
  • urinary obstruction (N13.8)
  • urinary retention (R33.8)
  • urinary urgency (R39.15)
  • weak urinary stream (R39.12)

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for N40.1.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for N40.1.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code N40.1 mean?

N40.1 is the FY 2027 U.S. ICD-10-CM code for “Benign prostatic hyperplasia with lower urinary tract symptoms.”

Is N40.1 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, N40.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is N40.1 located in ICD-10-CM?

N40.1 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Diseases of male genital organs (N40-N53) (N40–N53), under category N40, Benign prostatic hyperplasia.

What coding notes are listed for N40.1?

Its listed inclusion terms are Enlarged prostate with LUTS. No code-first instruction is listed. Additional-code instructions: code for associated symptoms, when specified:; incomplete bladder emptying (R39.14); nocturia (R35.1); straining on urination (R39.16); urinary frequency (R35.0); urinary hesitancy (R39.11); urinary incontinence (N39.4-); urinary obstruction (N13.8); urinary retention (R33.8); urinary urgency (R39.15); weak urinary stream (R39.12). No Excludes1 note is listed. No Excludes2 note is listed.

Keep exploring

Related N40 codes

N40.0

Benign prostatic hyperplasia without lower urinary tract symptoms

N40.2

Nodular prostate without lower urinary tract symptoms

N40.3

Nodular prostate with lower urinary tract symptoms

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