2021

  1. ICD-10-CM Codes
    2. ›
  2. N00-N99 Diseases of the genitourinary system
    3. ›
  3. N30-N39 Other diseases of the urinary system
    4. ›
  4. N35- Urethral stricture
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code N35.1

2021 ICD-10-CM Diagnosis Code N35.1

Postinfective urethral stricture, not elsewhere classified

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • N35.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM N35.1 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of N35.1 - other international versions of ICD-10 N35.1 may differ.
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 N35.1. 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.
  • urethral stricture associated with schistosomiasis (
    ICD-10-CM Diagnosis Code B65
    • B65 Schistosomiasis [bilharziasis]
      • B65.0 Schistosomiasis due to Schistosoma haematobiu...
      • B65.1 Schistosomiasis due to Schistosoma mansoni [i...
      • B65.2 Schistosomiasis due to Schistosoma japonicum
      • B65.3 Cercarial dermatitis
      • B65.8 Other schistosomiasis
      • B65.9 Schistosomiasis, unspecified
    B65.-
    ,
    ICD-10-CM Diagnosis Code N29

    Other disorders of kidney and ureter in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
    Code First
    Type 1 Excludes
    N29
    )
  • gonococcal urethral stricture (
    ICD-10-CM Diagnosis Code A54.01

    Gonococcal cystitis and urethritis, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    A54.01
    )
  • syphilitic urethral stricture (
    ICD-10-CM Diagnosis Code A52.76

    Other genitourinary symptomatic late syphilis

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Late syphilitic female pelvic inflammatory disease
    A52.76
    )
The following code(s) above N35.1 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 N35.1:
  • N00-N99
    2021 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
  • N30-N39
    2021 ICD-10-CM Range N30-N39

    Other diseases of the urinary system

    Type 1 Excludes
    • urinary infection (complicating):
    • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)
    Other diseases of the urinary system
  • N35
    ICD-10-CM Diagnosis Code N35

    Urethral stricture

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • congenital urethral stricture (Q64.3-)
    • postprocedural urethral stricture (N99.1-)
    Urethral stricture
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
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To N35.1
N35.01 Post-traumatic urethral stricture, male
N35.010 …… meatal
N35.011 Post-traumatic bulbous urethral stricture
N35.012 Post-traumatic membranous urethral stricture
N35.013 Post-traumatic anterior urethral stricture
N35.014 …… unspecified
N35.016 …… overlapping sites
N35.02 Post-traumatic urethral stricture, female
N35.021 Urethral stricture due to childbirth
N35.028 Other post-traumatic urethral stricture, female
N35.1 Postinfective urethral stricture, not elsewhere classified
N35.11 Postinfective urethral stricture, not elsewhere classified, male
N35.111 …… meatal
N35.112 Postinfective bulbous urethral stricture, not elsewhere classified, male
N35.113 Postinfective membranous urethral stricture, not elsewhere classified, male
N35.114 Postinfective anterior urethral stricture, not elsewhere classified, male
N35.116 …… overlapping sites
N35.119 …… unspecified
N35.12 …… female
N35.8 Other urethral stricture
N35.81 Other urethral stricture, male

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

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