ICD-10-CM › Q00-QA1 › Q90-Q99 › Q97 Other sex chromosome... › Q97.2
Mosaicism, lines with various numbers of X chromosomes
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Mosaicism, lines with various numbers of X chromosomes
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from Q97 Other sex chromosome abnormalities, female phenotype, not elsewhere classified
Excludes1 - never coded here
- Turner's syndrome (Q96.-)
Inherited from the Q90-Q99 section Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Excludes2 - not included here
- mitochondrial metabolic disorders (E88.4-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Sex > chromosome mosaics > lines with various numbers of X chromosomes
- Mosaicism, mosaic > sex chromosome > lines with various numbers of X chromosomes
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Q97.0 | Karyotype 47, XXX | Valid |
| Q97.1 | Female with more than three X chromosomes | Valid |
| Q97.3 | Female with 46, XY karyotype | Valid |
| Q97.8 | Other specified sex chromosome abnormalities, female phenotype | Valid |
| Q97.9 | Sex chromosome abnormality, female phenotype, unspecified | Valid |