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    v1.0.28
    OpenPayerBilling CodesDiseases of male genital organsICD-10-CM n40-benign-prostatic-hyperplasia
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    ICD-10-CM Code For Benign Prostatic Hyperplasia: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group N40 includes diagnoses for benign enlargement of the prostate gland, often labeled benign prostatic hyperplasia or prostatic hypertrophy, covering symptomatic and asymptomatic presentations that affect urinary function. These ICD-10-CM diagnosis codes are used to document clinical encounters for obstructive or irritative lower urinary tract symptoms, postoperative status when relevant, and disease severity or complications such as urinary retention. Accurate coding within the ICD-10-CM N40 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM N40: Benign Prostatic Hyperplasia Overview

    The ICD-10-CM N40 group represents benign enlargement of the prostate gland that commonly affects older male patients and can cause lower urinary tract symptoms. These diagnoses target the male genitourinary system and range from asymptomatic enlargement to obstructive urinary complaints. Accurate coding matters for correct claim processing and reflecting clinical complexity for quality measurement and reimbursement.

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    When to Use

    Use a code from this group when documenting a clinical encounter related to benign enlargement of the prostate, including evaluation or management of lower urinary tract symptoms attributable to prostatic enlargement. Select the code that best reflects current clinical status, complications such as urinary retention, or postoperative condition when applicable.

    ICD-10-CM Codes

    4 rows

    ICD-10-CM CodeDescription
    N40.0Benign prostatic hyperplasia without lower urinary tract symptoms
    N40.1Benign prostatic hyperplasia with lower urinary tract symptoms
    N40.2Nodular prostate without lower urinary tract symptoms
    N40.3Nodular prostate with lower urinary tract symptoms

    DRG Codes

    2 rows

    DRG CodeDescription
    725Benign Prostatic Hypertrophy with MCC
    726Benign Prostatic Hypertrophy without MCC

    Typical Clinical Scenarios

    • A 68-year-old man presents to his primary care physician with progressively worsening urinary hesitancy, weak urinary stream, nocturia twice nightly, and incomplete bladder emptying over the past year. Physical exam reveals a smooth, enlarged, non-tender prostate on digital rectal exam and no signs of infection; uroflowmetry shows reduced peak flow consistent with bladder outlet obstruction. A diagnosis from this group is assigned for symptomatic benign prostatic enlargement causing chronic lower urinary tract symptoms. Typical codes: N40.0
    • A 55-year-old male presents to the emergency department with acute urinary retention after several days of worsening difficulty voiding and suprapubic pain; a Foley catheter is placed with immediate return of a large volume of urine. Post-void residuals and prostate palpation suggest obstructive enlargement without fever or bacteriuria. A code from this group is used to indicate obstructive benign prostatic hyperplasia causing acute urinary retention. Typical codes: N40.1, N40.0
    • A 72-year-old man with a history of benign prostatic enlargement and chronic lower urinary tract symptoms is admitted for transurethral resection of the prostate (TURP) because of refractory symptoms and recurrent urinary tract infections; the preoperative assessment documents moderate prostatic enlargement with persistent bladder outlet obstruction. A diagnosis from this group is recorded as the underlying benign prostatic condition complicating management and guiding perioperative planning. Typical codes: N40.2, N40.0

    Related Codes

    N42-OTHER-AND-UNSPECIFIED-PROSTATE-DISORDERS

    ICD-10-CM Code For Other And Unspecified Disorders Of Prostate: Group Overview

    N43-HYDROCELE-AND-SPERMATOCELE

    ICD-10-CM Code For Hydrocele And Spermatocele: Group Overview

    N44-NONINFLAMMATORY-DISORDERS-OF-TESTIS

    ICD-10-CM Code For Noninflammatory Disorders Of Testis: Group Overview

    N45-ORCHITIS-AND-EPIDIDYMITIS

    ICD-10-CM Code For Orchitis And Epididymitis: Group Overview

    N46-MALE-INFERTILITY

    ICD-10-CM Code For Male Infertility: Group Overview

    N47-DISORDERS-OF-PREPUCE

    ICD-10-CM Code For Disorders Of Prepuce: Group Overview

    N48-OTHER-DISORDERS-OF-PENIS

    ICD-10-CM Code For Other Disorders Of Penis: Group Overview

    N49-INFLAMMATORY-DISORDERS-MALE-GENITAL

    ICD-10-CM Code For Inflammatory Disorders Of Male Genital Organs, Not Elsewhere Classified: Group Overview

    N50-OTHER-AND-UNSPECIFIED-MALE-GENITAL-DISORDERS

    ICD-10-CM Code For Other And Unspecified Disorders Of Male Genital Organs: Group Overview

    N51-DISORDERS-OF-MALE-GENITAL-ORGANS

    ICD-10-CM Code For Disorders Of Male Genital Organs In Diseases Classified Elsewhere: Group Overview

    Showing 1–10 of 12

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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