2021 ICD-10-CM Codes for Chromosomal abnormalities, not elsewhere classified (Q90-Q99)

    • ICD-10 Index

      • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

        • Chromosomal abnormalities, not elsewhere classified (Q90-Q99)

            • Down syndrome (Q90)
            • Q90 - Down syndrome NON-BILLABLE CODE
            • Q90.0 - Trisomy 21, nonmosaicism (meiotic nondisjunction) BILLABLE CODE
            • Q90.1 - Trisomy 21, mosaicism (mitotic nondisjunction) BILLABLE CODE
            • Q90.2 - Trisomy 21, translocation BILLABLE CODE
            • Q90.9 - Down syndrome, unspecified BILLABLE CODE
            • Trisomy 18 and Trisomy 13 (Q91)
            • Q91 - Trisomy 18 and Trisomy 13 NON-BILLABLE CODE
            • Q91.0 - Trisomy 18, nonmosaicism (meiotic nondisjunction) BILLABLE CODE
            • Q91.1 - Trisomy 18, mosaicism (mitotic nondisjunction) BILLABLE CODE
            • Q91.2 - Trisomy 18, translocation BILLABLE CODE
            • Q91.3 - Trisomy 18, unspecified BILLABLE CODE
            • Q91.4 - Trisomy 13, nonmosaicism (meiotic nondisjunction) BILLABLE CODE
            • Q91.5 - Trisomy 13, mosaicism (mitotic nondisjunction) BILLABLE CODE
            • Q91.6 - Trisomy 13, translocation BILLABLE CODE
            • Q91.7 - Trisomy 13, unspecified BILLABLE CODE
            • Oth trisomies and partial trisomies of the autosomes, NEC (Q92)
            • Q92 - Oth trisomies and partial trisomies of the autosomes, NEC NON-BILLABLE CODE
            • Q92.0 - Whole chromosome trisomy, nonmosaic (meiotic nondisjunction) BILLABLE CODE
            • Q92.1 - Whole chromosome trisomy, mosaicism (mitotic nondisjunction) BILLABLE CODE
            • Q92.2 - Partial trisomy BILLABLE CODE
            • Q92.5 - Duplications with other complex rearrangements BILLABLE CODE
            • Q92.6 - Marker chromosomes NON-BILLABLE CODE
            • Q92.61 - Marker chromosomes in normal individual BILLABLE CODE
            • Q92.62 - Marker chromosomes in abnormal individual BILLABLE CODE
            • Q92.7 - Triploidy and polyploidy BILLABLE CODE
            • Q92.8 - Other specified trisomies and partial trisomies of autosomes BILLABLE CODE
            • Q92.9 - Trisomy and partial trisomy of autosomes, unspecified BILLABLE CODE
            • Monosomies and deletions from the autosomes, NEC (Q93)
            • Q93 - Monosomies and deletions from the autosomes, NEC NON-BILLABLE CODE
            • Q93.0 - Whole chromosome monosomy,nonmosaic (meiotic nondisjunction) BILLABLE CODE
            • Q93.1 - Whole chromosome monosomy, mosaic (mitotic nondisjunction) BILLABLE CODE
            • Q93.2 - Chromosome replaced with ring, dicentric or isochromosome BILLABLE CODE
            • Q93.3 - Deletion of short arm of chromosome 4 BILLABLE CODE
            • Q93.4 - Deletion of short arm of chromosome 5 BILLABLE CODE
            • Q93.5 - Other deletions of part of a chromosome NON-BILLABLE CODE
            • Q93.51 - Angelman syndrome BILLABLE CODE
            • Q93.59 - Other deletions of part of a chromosome BILLABLE CODE
            • Q93.7 - Deletions with other complex rearrangements BILLABLE CODE
            • Q93.8 - Other deletions from the autosomes NON-BILLABLE CODE
            • Q93.81 - Velo-cardio-facial syndrome BILLABLE CODE
            • Q93.82 - Williams syndrome BILLABLE CODE
            • Q93.88 - Other microdeletions BILLABLE CODE
            • Q93.89 - Other deletions from the autosomes BILLABLE CODE
            • Q93.9 - Deletion from autosomes, unspecified BILLABLE CODE
            • Balanced rearrangements and structural markers, NEC (Q95)
            • Q95 - Balanced rearrangements and structural markers, NEC NON-BILLABLE CODE
            • Q95.0 - Balanced translocation and insertion in normal individual BILLABLE CODE
            • Q95.1 - Chromosome inversion in normal individual BILLABLE CODE
            • Q95.2 - Balanced autosomal rearrangement in abnormal individual BILLABLE CODE
            • Q95.3 - Balanced sex/autosomal rearrangement in abnormal individual BILLABLE CODE
            • Q95.5 - Individual with autosomal fragile site BILLABLE CODE
            • Q95.8 - Other balanced rearrangements and structural markers BILLABLE CODE
            • Q95.9 - Balanced rearrangement and structural marker, unspecified BILLABLE CODE
            • Turner's syndrome (Q96)
            • Q96 - Turner's syndrome NON-BILLABLE CODE
            • Q96.0 - Karyotype 45, X BILLABLE CODE
            • Q96.1 - Karyotype 46, X iso (Xq) BILLABLE CODE
            • Q96.2 - Karyotype 46, X w abnormal sex chromosome, except iso (Xq) BILLABLE CODE
            • Q96.3 - Mosaicism, 45, X/46, XX or XY BILLABLE CODE
            • Q96.4 - Mosaic, 45, X/other cell line(s) w abnormal sex chromosome BILLABLE CODE
            • Q96.8 - Other variants of Turner's syndrome BILLABLE CODE
            • Q96.9 - Turner's syndrome, unspecified BILLABLE CODE
            • Oth sex chromosome abnormalities, female phenotype, NEC (Q97)
            • Q97 - Oth sex chromosome abnormalities, female phenotype, NEC NON-BILLABLE CODE
            • Q97.0 - Karyotype 47, XXX BILLABLE CODE
            • Q97.1 - Female with more than three X chromosomes BILLABLE CODE
            • Q97.2 - Mosaicism, lines with various numbers of X chromosomes BILLABLE CODE
            • Q97.3 - Female with 46, XY karyotype BILLABLE CODE
            • Q97.8 - Oth sex chromosome abnormalities, female phenotype BILLABLE CODE
            • Q97.9 - Sex chromosome abnormality, female phenotype, unspecified BILLABLE CODE
            • Oth sex chromosome abnormalities, male phenotype, NEC (Q98)
            • Q98 - Oth sex chromosome abnormalities, male phenotype, NEC NON-BILLABLE CODE
            • Q98.0 - Klinefelter syndrome karyotype 47, XXY BILLABLE CODE
            • Q98.1 - Klinefelter syndrome, male with more than two X chromosomes BILLABLE CODE
            • Q98.3 - Other male with 46, XX karyotype BILLABLE CODE
            • Q98.4 - Klinefelter syndrome, unspecified BILLABLE CODE
            • Q98.5 - Karyotype 47, XYY BILLABLE CODE
            • Q98.6 - Male with structurally abnormal sex chromosome BILLABLE CODE
            • Q98.7 - Male with sex chromosome mosaicism BILLABLE CODE
            • Q98.8 - Other specified sex chromosome abnormalities, male phenotype BILLABLE CODE
            • Q98.9 - Sex chromosome abnormality, male phenotype, unspecified BILLABLE CODE