Q97.2Billable

Mosaicism, lines with various numbers of X chromosomes

Chapter
17. Congenital malformations, deformations and chromosomal abnormalities
Category
Q97
Effective date
October 1, 2026

Related codes in category Q97

Q97Oth sex chromosome abnormalities, female phenotype, NECQ97.0Karyotype 47, XXXYesQ97.1Female with more than three X chromosomesYesQ97.3Female with 46, XY karyotypeYesQ97.8Oth sex chromosome abnormalities, female phenotypeYesQ97.9Sex chromosome abnormality, female phenotype, unspecifiedYes

Frequently asked questions

What is ICD-10 code Q97.2?

Q97.2 is an ICD-10-CM diagnosis code for Mosaicism, lines with various numbers of X chromosomes.

Is Q97.2 a billable code?

Yes. Q97.2 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is Q97.2 in?

Q97.2 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.

When did Q97.2 become effective?

Q97.2 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Q97.2?

Q97.2 belongs to category Q97, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.