Q90-Q99|Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders

Chromosomal abnormalities, not elsewhere classified

88 codes in this section

Codes

Q90Category

Down syndrome

4 subcategoryies

Q90.0Billable

Trisomy 21, nonmosaicism (meiotic nondisjunction)

Q90.1Billable

Trisomy 21, mosaicism (mitotic nondisjunction)

Q90.2Billable

Trisomy 21, translocation

Q90.9Billable

Down syndrome, unspecified

Q91Category

Trisomy 18 and Trisomy 13

8 subcategoryies

Q91.0Billable

Trisomy 18, nonmosaicism (meiotic nondisjunction)

Q91.1Billable

Trisomy 18, mosaicism (mitotic nondisjunction)

Q91.2Billable

Trisomy 18, translocation

Q91.3Billable

Trisomy 18, unspecified

Q91.4Billable

Trisomy 13, nonmosaicism (meiotic nondisjunction)

Q91.5Billable

Trisomy 13, mosaicism (mitotic nondisjunction)

Q91.6Billable

Trisomy 13, translocation

Q91.7Billable

Trisomy 13, unspecified

Q92Category

Other trisomies and partial trisomies of the autosomes, not elsewhere classified

8 subcategoryies

Q92.0Billable

Whole chromosome trisomy, nonmosaicism (meiotic nondisjunction)

Q92.1Billable

Whole chromosome trisomy, mosaicism (mitotic nondisjunction)

Q92.2Billable

Partial trisomy

Q92.5Billable

Duplications with other complex rearrangements

Q92.6Category

Marker chromosomes

2 subcategoryies

Q92.61Billable

Marker chromosomes in normal individual

Q92.62Billable

Marker chromosomes in abnormal individual

Q92.7Billable

Triploidy and polyploidy

Q92.8Billable

Other specified trisomies and partial trisomies of autosomes

Q92.9Billable

Trisomy and partial trisomy of autosomes, unspecified

Q93Category

Monosomies and deletions from the autosomes, not elsewhere classified

9 subcategoryies

Q93.0Billable

Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)

Q93.1Billable

Whole chromosome monosomy, mosaicism (mitotic nondisjunction)

Q93.2Billable

Chromosome replaced with ring, dicentric or isochromosome

Q93.3Billable

Deletion of short arm of chromosome 4

Q93.4Billable

Deletion of short arm of chromosome 5

Q93.5Category

Other deletions of part of a chromosome

3 subcategoryies

Q93.51Billable

Angelman syndrome

Q93.52Billable

Phelan-McDermid syndrome

Q93.59Billable

Other deletions of part of a chromosome

Q93.7Billable

Deletions with other complex rearrangements

Q93.8Category

Other deletions from the autosomes

4 subcategoryies

Q93.81Billable

Velo-cardio-facial syndrome

Q93.82Billable

Williams syndrome

Q93.88Billable

Other microdeletions

Q93.89Billable

Other deletions from the autosomes

Q93.9Billable

Deletion from autosomes, unspecified

Q95Category

Balanced rearrangements and structural markers, not elsewhere classified

7 subcategoryies

Q95.0Billable

Balanced translocation and insertion in normal individual

Q95.1Billable

Chromosome inversion in normal individual

Q95.2Billable

Balanced autosomal rearrangement in abnormal individual

Q95.3Billable

Balanced sex/autosomal rearrangement in abnormal individual

Q95.5Billable

Individual with autosomal fragile site

Q95.8Billable

Other balanced rearrangements and structural markers

Q95.9Billable

Balanced rearrangement and structural marker, unspecified

Q96Category

Turner's syndrome

7 subcategoryies

Q96.0Billable

Karyotype 45, X

Q96.1Billable

Karyotype 46, X iso (Xq)

Q96.2Billable

Karyotype 46, X with abnormal sex chromosome, except iso (Xq)

Q96.3Billable

Mosaicism, 45, X/46, XX or XY

Q96.4Billable

Mosaicism, 45, X/other cell line(s) with abnormal sex chromosome

Q96.8Billable

Other variants of Turner's syndrome

Q96.9Billable

Turner's syndrome, unspecified

Q97Category

Other sex chromosome abnormalities, female phenotype, not elsewhere classified

6 subcategoryies

Q97.0Billable

Karyotype 47, XXX

Q97.1Billable

Female with more than three X chromosomes

Q97.2Billable

Mosaicism, lines with various numbers of X chromosomes

Q97.3Billable

Female with 46, XY karyotype

Q97.8Billable

Other specified sex chromosome abnormalities, female phenotype

Q97.9Billable

Sex chromosome abnormality, female phenotype, unspecified

Q98Category

Other sex chromosome abnormalities, male phenotype, not elsewhere classified

9 subcategoryies

Q98.0Billable

Klinefelter syndrome karyotype 47, XXY

Q98.1Billable

Klinefelter syndrome, male with more than two X chromosomes

Q98.3Billable

Other male with 46, XX karyotype

Q98.4Billable

Klinefelter syndrome, unspecified

Q98.5Billable

Karyotype 47, XYY

Q98.6Billable

Male with structurally abnormal sex chromosome

Q98.7Billable

Male with sex chromosome mosaicism

Q98.8Billable

Other specified sex chromosome abnormalities, male phenotype

Q98.9Billable

Sex chromosome abnormality, male phenotype, unspecified

Q99Category

Other chromosome abnormalities, not elsewhere classified

5 subcategoryies

Q99.0Billable

Chimera 46, XX/46, XY

Q99.1Billable

46, XX true hermaphrodite

Q99.2Billable

Fragile X chromosome

Q99.8Category

Other specified chromosome abnormalities

2 subcategoryies

Q99.81Category

Usher syndrome

5 subcategoryies

Q99.811Billable

Usher syndrome, type 1

Q99.812Billable

Usher syndrome, type 2

Q99.813Billable

Usher syndrome, type 3

Q99.818Billable

Other Usher syndrome

Q99.819Billable

Usher syndrome, unspecified

Q99.89Billable

Other specified chromosome abnormalities

Q99.9Billable

Chromosomal abnormality, unspecified

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