2019 ICD-10-CM Diagnosis Code N42.1

Congestion and hemorrhage of prostate

    2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years) Male Dx
  • N42.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM N42.1 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of N42.1 - other international versions of ICD-10 N42.1 may differ.
ICD-10-CM Coding Rules
  • N42.1 is applicable to adult patients aged 15 - 124 years inclusive.
  • N42.1 is applicable to male patients.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as N42.1. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • enlarged prostate (
    ICD-10-CM Diagnosis Code N40
    • N40 Benign prostatic hyperplasia
      • N40.0 Benign prostatic hyperplasia without lower ur...
      • N40.1 Benign prostatic hyperplasia with lower urina...
      • N40.2 Nodular prostate without lower urinary tract ...
      • N40.3 Nodular prostate with lower urinary tract sym...
    N40.-
    )
  • hematuria (
    ICD-10-CM Diagnosis Code R31
    • R31 Hematuria
      • R31.0 Gross hematuria
      • R31.1 Benign essential microscopic hematuria
      • R31.2 Other microscopic hematuria
        • R31.21 Asymptomatic microscopic hematuria
        • R31.29 Other microscopic hematuria
      • R31.9 Hematuria, unspecified
    R31.-
    )
  • hyperplasia of prostate (
    ICD-10-CM Diagnosis Code N40
    • N40 Benign prostatic hyperplasia
      • N40.0 Benign prostatic hyperplasia without lower ur...
      • N40.1 Benign prostatic hyperplasia with lower urina...
      • N40.2 Nodular prostate without lower urinary tract ...
      • N40.3 Nodular prostate with lower urinary tract sym...
    N40.-
    )
  • inflammatory diseases of prostate (
    ICD-10-CM Diagnosis Code N41
    • N41 Inflammatory diseases of prostate
      • N41.0 Acute prostatitis
      • N41.1 Chronic prostatitis
      • N41.2 Abscess of prostate
      • N41.3 Prostatocystitis
      • N41.4 Granulomatous prostatitis
      • N41.8 Other inflammatory diseases of prostate
      • N41.9 Inflammatory disease of prostate, unspecified...
    N41.-
    )
The following code(s) above N42.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to N42.1:
  • N00-N99
    2019 ICD-10-CM Range N00-N99

    Diseases of the genitourinary system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the genitourinary system
Approximate Synonyms
  • Congestion of prostate
  • Hemorrhage of prostate
  • Prostate congestion
  • Prostate hemorrhage
ICD-10-CM N42.1 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 729 Other male reproductive system diagnoses with cc/mcc
  • 730 Other male reproductive system diagnoses without cc/mcc

Convert N42.1 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to N42.1:
  • Congestion, congestive
    • prostate N42.1 (active)
  • Hemorrhage, hemorrhagic (concealed) R58
    ICD-10-CM Diagnosis Code R58

    Hemorrhage, not elsewhere classified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Hemorrhage NOS
    Type 1 Excludes
    • hemorrhage included with underlying conditions, such as:
    • acute duodenal ulcer with hemorrhage (K26.0)
    • acute gastritis with bleeding (K29.01)
    • ulcerative enterocolitis with rectal bleeding (K51.01)
    • prostate N42.1

ICD-10-CM Codes Adjacent To N42.1
N41 Inflammatory diseases of prostate
N41.0 Acute prostatitis
N41.1 Chronic prostatitis
N41.2 Abscess of prostate
N41.3 Prostatocystitis
N41.4 Granulomatous prostatitis
N41.8 Other inflammatory diseases of prostate
N41.9 Inflammatory disease of prostate, unspecified
N42 Other and unspecified disorders of prostate
N42.0 Calculus of prostate
N42.1 Congestion and hemorrhage of prostate
N42.3 Dysplasia of prostate
N42.30 Unspecified dysplasia of prostate
N42.31 Prostatic intraepithelial neoplasia
N42.32 Atypical small acinar proliferation of prostate
N42.39 Other dysplasia of prostate
N42.8 Other specified disorders of prostate
N42.81 Prostatodynia syndrome
N42.82 Prostatosis syndrome
N42.83 Cyst of prostate
N42.89 Other specified disorders of prostate

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.