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N40 ICD-10-CA code: Hyperplasia of prostate

N40 is the ICD-10-CA code for “Hyperplasia of prostate” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

N40

Hyperplasia of prostate

ICD-10-CA · Canada

Index terms

Entries in CIHI’s alphabetical index that lead to N40. Searching the index by the condition the note names is how coders reach this code.

  • Prostatism
  • Myoadenoma, prostate
  • Bar, median, prostate
  • Nodule(s), nodular, prostate
  • Fibrosis, fibrotic, median bar
  • Enlargement, enlarged, prostate
  • Hypertrophy, hypertrophic, median bar
  • Fibrosis, fibrotic, prostate (chronic)
  • Median, bar (prostate) (vesical orifice)
  • Obstruction, obstructed, obstructive, prostate
  • Hypertrophy, hypertrophic, adenofibromatous, prostate
  • Hyperplasia, hyperplastic, prostate (adenofibromatous) (nodular)
  • Hypertrophy, hypertrophic, prostate (adenofibromatous) (asymptomatic) (benign) (early) (recurrent)

Notes for N40

As CIHI prints them, with any note N40 takes from the headings above it.

Includes

  • Adenofibromatous hypertrophy, Enlargement (benign), Hypertrophy (benign) (BPH) of prostateMedian bar (prostate)Prostatic obstruction NOS

Excludes

Conditions classified elsewhere.

  • Benign neoplasms of prostate (D29.1)
  • Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)

Where N40 sits

  1. 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
  2. 2Block N40-N51Diseases of male genital organs
  3. 3Valid code N40Hyperplasia of prostate

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See N40 in the CIHI source

Frequently asked questions

What does ICD-10-CA code N40 mean?

N40 is the ICD-10-CA code for “Hyperplasia of prostate” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is N40 in ICD-10-CA?

N40 sits under N40-N51 Diseases of male genital organs, within Chapter 14: Diseases of the genitourinary system (N00-N99).

What coding notes apply to N40?

ICD-10-CA lists Includes, Excludes notes for N40, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside N40

N41Inflammatory diseases of prostateN42Other disorders of prostateN43Hydrocele and spermatoceleN44Torsion of testisN45Orchitis and epididymitisN46Male infertilityN47Disorders of prepuceN48Other disorders of penisN49Inflammatory disorders of male genital organs, not elsewhere classifiedN50Other disorders of male genital organsN51Disorders of male genital organs in diseases classified elsewhere