DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

N40 Benign prostatic hyperplasia

  • Header · not billable

N40 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

  • Nodule(s), nodularprostate → N40.2
  • Enlargement, enlargedprostate → N40.0
  • Hyperplasia, hyperplasticprostate (adenofibromatous) → N40.0

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N40-N53 Diseases of male genital organs (N40-N53)
  3. N40 Benign prostatic hyperplasia
Billable codes
4
Subdivisions
4
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
17

Codes in N40

  1. N40.0
    Benign prostatic hyperplasia without lower urinary tract symptoms
    Billable
    Inclusion terms 2

    Inclusion terms

    • Enlarged prostate without LUTS
    • Enlarged prostate NOS
  2. N40.1
    Benign prostatic hyperplasia with lower urinary tract symptoms
    Billable
    Inclusion terms 1, Use additional code 11

    Inclusion terms

    • Enlarged prostate with LUTS

    Use additional code

    • code for associated symptoms, when specified:
    • incomplete bladder emptying (R39.14) R39.14
    • nocturia (R35.1) R35.1
    • straining on urination (R39.16) R39.16
    • urinary frequency (R35.0) R35.0
    • urinary hesitancy (R39.11) R39.11
    • urinary incontinence (N39.4-) N39.4
    • urinary obstruction (N13.8) N13.8
    • urinary retention (R33.8) R33.8
    • urinary urgency (R39.15) R39.15
    • weak urinary stream (R39.12) R39.12
  3. N40.2
    Nodular prostate without lower urinary tract symptoms
    Billable
    Inclusion terms 1

    Inclusion terms

    • Nodular prostate without LUTS
  4. N40.3
    Nodular prostate with lower urinary tract symptoms
    Billable
    Use additional code 11

    Use additional code

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

Sources of each column.

Instructions

At N40

Includes

  • adenofibromatous hypertrophy of prostate
  • benign hypertrophy of the prostate
  • benign prostatic hypertrophy
  • BPH
  • enlarged prostate
  • nodular prostate
  • polyp of prostate

Excludes1

  • benign neoplasms of prostate (adenoma, benign) (fibroadenoma) (fibroma) (myoma) (D29.1) D29.1

Excludes2

  • malignant neoplasm of prostate (C61) C61

Notes that also apply

Chapter 14 instructions (Excludes2 8): printed on the chapter 14 page.

Index entries

  • Enlargement, enlargedprostate → N40.0
  • Hyperplasia, hyperplasticprostate (adenofibromatous) → N40.0
  • Nodule(s), nodularprostate → N40.2
  • Enlargement, enlargedprostatewithout lower urinary tract symptoms (LUTS) → N40.0
  • Hyperplasia, hyperplasticprostate (adenofibromatous)without lower urinary tract symptoms (LUTS) → N40.0
  • Enlargement, enlargedprostatewith lower urinary tract symptoms (LUTS) → N40.1
  • Hyperplasia, hyperplasticprostate (adenofibromatous)with lower urinary tract symptoms (LUTS) → N40.1
  • Enlargement, enlargedprostatenodular → N40.2
  • Hyperplasia, hyperplasticprostate (adenofibromatous)nodular → N40.2
  • Nodule(s), nodularprostatewithout lower urinary tract symptoms (LUTS) → N40.2
  • Nodule(s), nodularprostatewith lower urinary tract symptoms (LUTS) → N40.3
  • Enlargement, enlargedprostatewithout lower urinary tract symptoms (LUTS)nodular → N40.2
  • Hyperplasia, hyperplasticprostate (adenofibromatous)without lower urinary tract symptoms (LUTS)nodular → N40.2
  • Enlargement, enlargedprostatewith lower urinary tract symptoms (LUTS)nodular → N40.3
  • Enlargement, enlargedprostatenodularwith lower urinary tract symptoms (LUTS) → N40.3
  • Hyperplasia, hyperplasticprostate (adenofibromatous)with lower urinary tract symptoms (LUTS)nodular → N40.3
  • Hyperplasia, hyperplasticprostate (adenofibromatous)nodularwith lower urinary tract symptoms (LUTS) → N40.3

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy