ICD-10-CM Codes
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
Q90-Q99 Chromosomal abnormalities, not elsewhere classified
Q98- Other sex chromosome abnormalities, male phenotype, not elsewhere classified
2021 ICD-10-CM Diagnosis Code Q98

2021 ICD-10-CM Diagnosis Code Q98

Other sex chromosome abnormalities, male phenotype, not elsewhere classified

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

Q98 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
Short description: Oth sex chromosome abnormalities, male phenotype, NEC
The 2021 edition of ICD-10-CM Q98 became effective on October 1, 2020.
This is the American ICD-10-CM version of Q98 - other international versions of ICD-10 Q98 may differ.

The following code(s) above Q98 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

that may be applicable to Q98:

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 Q98

Q96.4 Mosaicism, 45, X/other cell line(s) with abnormal sex chromosome

Q96.8 Other variants of Turner's syndrome

Q96.9 Turner's syndrome, unspecified

Q97 Other sex chromosome abnormalities, female phenotype, not elsewhere classified

Q97.0 Karyotype 47, XXX

Q97.1 Female with more than three X chromosomes

Q97.2 Mosaicism, lines with various numbers of X chromosomes

Q97.3 Female with 46, XY karyotype

Q97.8 Other specified sex chromosome abnormalities, female phenotype

Q97.9 Sex chromosome abnormality, female phenotype, unspecified

Q98 Other sex chromosome abnormalities, male phenotype, not elsewhere classified

Q98.0 Klinefelter syndrome karyotype 47, XXY

Q98.1 Klinefelter syndrome, male with more than two X chromosomes

Q98.3 Other male with 46, XX karyotype

Q98.4 Klinefelter syndrome, unspecified

Q98.5 Karyotype 47, XYY

Q98.6 Male with structurally abnormal sex chromosome

Q98.7 Male with sex chromosome mosaicism

Q98.8 Other specified sex chromosome abnormalities, male phenotype

Q98.9 Sex chromosome abnormality, male phenotype, unspecified

Q99 Other chromosome abnormalities, not elsewhere classified

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