1. 2023 ICD-10-CM Index
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2. 'N' Terms
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3. Index Terms Starting With 'N' (Narrowing)

Index Terms Starting With 'N' (Narrowing)

• Narrowing - see also Stenosis

  • artery I77.1
    ICD-10-CM Diagnosis Code I77.1

    Stricture of artery

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Narrowing of artery
    • auditory, internal I65.8
      ICD-10-CM Diagnosis Code I65.8

      Occlusion and stenosis of other precerebral arteries

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • basilar - see Occlusion, artery, basilar
    • carotid - see Occlusion, artery, carotid
    • cerebellar - see Occlusion, artery, cerebellar
    • cerebral - see Occlusion artery, cerebral
    • choroidal - see Occlusion, artery, precerebral, specified NEC
    • communicating posterior - see Occlusion, artery, precerebral, specified NEC
    • coronary - see also Disease, heart, ischemic, atherosclerotic
      • congenital Q24.5
        ICD-10-CM Diagnosis Code Q24.5

        Malformation of coronary vessels

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

        Applicable To

        • Congenital coronary (artery) aneurysm
        • syphilitic A50.54
          ICD-10-CM Diagnosis Code A50.54

          Late congenital cardiovascular syphilis

          2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • due to syphilis NEC A52.06
        ICD-10-CM Diagnosis Code A52.06

        Other syphilitic heart involvement

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Syphilitic coronary artery disease
        • Syphilitic myocarditis
        • Syphilitic pericarditis
    • hypophyseal - see Occlusion, artery, precerebral, specified NEC
    • pontine - see Occlusion, artery, precerebral, specified NEC
    • precerebral - see Occlusion, artery, precerebral
    • vertebral - see Occlusion, artery, vertebral
  • auditory canal (external) - see Stenosis, external ear canal
  • eustachian tube - see Obstruction, eustachian tube
  • eyelid - see Disorder, eyelid function
  • larynx J38.6
    ICD-10-CM Diagnosis Code J38.6

    Stenosis of larynx

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • mesenteric artery K55.059
    - see also Ischemia, intestine, acute
    ICD-10-CM Diagnosis Code K55.059

    Acute (reversible) ischemia of intestine, part and extent unspecified

    2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • palate M26.89
    ICD-10-CM Diagnosis Code M26.89

    Other dentofacial anomalies

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • palpebral fissure - see Disorder, eyelid function
  • ureter N13.5
    ICD-10-CM Diagnosis Code N13.5

    Crossing vessel and stricture of ureter without hydronephrosis

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Kinking and stricture of ureter without hydronephrosis

    Type 1 Excludes

    • Crossing vessel and stricture of ureter without hydronephrosis with infection (N13.6)
    • with infection N13.6
      ICD-10-CM Diagnosis Code N13.6

      Pyonephrosis

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Conditions in N13.0-N13.5 with infection
      • Obstructive uropathy with infection

      Use Additional

      • code (B95-B97), to identify infectious agent.
  • urethra - see Stricture, urethra