Q97.2
✓ Billable
Mosaicism, lines with various numbers of X chromosomes
ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities
Code
Q97.2
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Congenital Malformations, Deformations and Chromosomal Abnormalities
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Q97.2?
ICD-10-CM code Q97.2 represents Mosaicism, lines with various numbers of X chromosomes. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.
Is Q97.2 billable?
Yes. Q97.2 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Q97.2 in?
Q97.2 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.
Related codes in the Q97 category
Q97
Other sex chromosome abnormalities, female phenotype, not elsewhere classified
Non-billable
Q97.0
Karyotype 47, XXX
Billable
Q97.1
Female with more than three X chromosomes
Billable
Q97.3
Female with 46, XY karyotype
Billable
Q97.8
Other specified sex chromosome abnormalities, female phenotype
Billable
Q97.9
Sex chromosome abnormality, female phenotype, unspecified
Billable
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