1. 2021 ICD-10-CM Index
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2. 'T' Terms
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3. Index Terms Starting With 'T' (Trisomy)

Index Terms Starting With 'T' (Trisomy)

• Trisomy (syndrome) Q92.9

  ICD-10-CM Diagnosis Code Q92.9

  Trisomy and partial trisomy of autosomes, unspecified

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

  • 13 (partial) Q91.7
    ICD-10-CM Diagnosis Code Q91.7

    Trisomy 13, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • meiotic nondisjunction Q91.4
      ICD-10-CM Diagnosis Code Q91.4

      Trisomy 13, nonmosaicism (meiotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • mitotic nondisjunction Q91.5
      ICD-10-CM Diagnosis Code Q91.5

      Trisomy 13, mosaicism (mitotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • mosaicism Q91.5
      ICD-10-CM Diagnosis Code Q91.5

      Trisomy 13, mosaicism (mitotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • translocation Q91.6
      ICD-10-CM Diagnosis Code Q91.6

      Trisomy 13, translocation

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • 18 (partial) Q91.3
    ICD-10-CM Diagnosis Code Q91.3

    Trisomy 18, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • meiotic nondisjunction Q91.0
      ICD-10-CM Diagnosis Code Q91.0

      Trisomy 18, nonmosaicism (meiotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • mitotic nondisjunction Q91.1
      ICD-10-CM Diagnosis Code Q91.1

      Trisomy 18, mosaicism (mitotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • mosaicism Q91.1
      ICD-10-CM Diagnosis Code Q91.1

      Trisomy 18, mosaicism (mitotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • translocation Q91.2
      ICD-10-CM Diagnosis Code Q91.2

      Trisomy 18, translocation

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • 20 Q92.8
    ICD-10-CM Diagnosis Code Q92.8

    Other specified trisomies and partial trisomies of autosomes

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

    Applicable To

    • Duplications identified by fluorescence in situ hybridization (FISH)
    • Duplications identified by in situ hybridization (ISH)
    • Duplications seen only at prometaphase
  • 21 (partial) Q90.9
    ICD-10-CM Diagnosis Code Q90.9

    Down syndrome, unspecified

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

    Applicable To

    • Trisomy 21 NOS
    • meiotic nondisjunction Q90.0
      ICD-10-CM Diagnosis Code Q90.0

      Trisomy 21, nonmosaicism (meiotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • mitotic nondisjunction Q90.1
      ICD-10-CM Diagnosis Code Q90.1

      Trisomy 21, mosaicism (mitotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • mosaicism Q90.1
      ICD-10-CM Diagnosis Code Q90.1

      Trisomy 21, mosaicism (mitotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • translocation Q90.2
      ICD-10-CM Diagnosis Code Q90.2

      Trisomy 21, translocation

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • 22 Q92.8
    ICD-10-CM Diagnosis Code Q92.8

    Other specified trisomies and partial trisomies of autosomes

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

    Applicable To

    • Duplications identified by fluorescence in situ hybridization (FISH)
    • Duplications identified by in situ hybridization (ISH)
    • Duplications seen only at prometaphase
  • autosomes Q92.9
    ICD-10-CM Diagnosis Code Q92.9

    Trisomy and partial trisomy of autosomes, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • chromosome specified NEC Q92.8
    ICD-10-CM Diagnosis Code Q92.8

    Other specified trisomies and partial trisomies of autosomes

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

    Applicable To

    • Duplications identified by fluorescence in situ hybridization (FISH)
    • Duplications identified by in situ hybridization (ISH)
    • Duplications seen only at prometaphase
    • partial Q92.2
      ICD-10-CM Diagnosis Code Q92.2

      Partial trisomy

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

      Applicable To

      • Less than whole arm duplicated
      • Whole arm or more duplicated

      Type 1 Excludes

      • partial trisomy due to unbalanced translocation (Q92.5)
      • due to unbalanced translocation Q92.5
        ICD-10-CM Diagnosis Code Q92.5

        Duplications with other complex rearrangements

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

        Applicable To

        • Partial trisomy due to unbalanced translocations

        Code Also

        • any associated deletions due to unbalanced translocations, inversions and insertions (Q93.7)
    • specified NEC Q92.8
      ICD-10-CM Diagnosis Code Q92.8

      Other specified trisomies and partial trisomies of autosomes

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

      Applicable To

      • Duplications identified by fluorescence in situ hybridization (FISH)
      • Duplications identified by in situ hybridization (ISH)
      • Duplications seen only at prometaphase
    • whole (nonsex chromosome)
      • meiotic nondisjunction Q92.0
        ICD-10-CM Diagnosis Code Q92.0

        Whole chromosome trisomy, nonmosaicism (meiotic nondisjunction)

        2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
      • mitotic nondisjunction Q92.1
        ICD-10-CM Diagnosis Code Q92.1

        Whole chromosome trisomy, mosaicism (mitotic nondisjunction)

        2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
      • mosaicism Q92.1
        ICD-10-CM Diagnosis Code Q92.1

        Whole chromosome trisomy, mosaicism (mitotic nondisjunction)

        2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • due to
    • dicentrics - see Extra, marker chromosomes
    • extra rings - see Extra, marker chromosomes
    • isochromosomes - see Extra, marker chromosomes
  • specified NEC Q92.8
    ICD-10-CM Diagnosis Code Q92.8

    Other specified trisomies and partial trisomies of autosomes

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

    Applicable To

    • Duplications identified by fluorescence in situ hybridization (FISH)
    • Duplications identified by in situ hybridization (ISH)
    • Duplications seen only at prometaphase
  • whole chromosome Q92.9
    ICD-10-CM Diagnosis Code Q92.9

    Trisomy and partial trisomy of autosomes, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • meiotic nondisjunction Q92.0
      ICD-10-CM Diagnosis Code Q92.0

      Whole chromosome trisomy, nonmosaicism (meiotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • mitotic nondisjunction Q92.1
      ICD-10-CM Diagnosis Code Q92.1

      Whole chromosome trisomy, mosaicism (mitotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • mosaicism Q92.1
      ICD-10-CM Diagnosis Code Q92.1

      Whole chromosome trisomy, mosaicism (mitotic nondisjunction)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • partial Q92.9
      ICD-10-CM Diagnosis Code Q92.9

      Trisomy and partial trisomy of autosomes, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    • specified NEC Q92.8
      ICD-10-CM Diagnosis Code Q92.8

      Other specified trisomies and partial trisomies of autosomes

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

      Applicable To

      • Duplications identified by fluorescence in situ hybridization (FISH)
      • Duplications identified by in situ hybridization (ISH)
      • Duplications seen only at prometaphase