ICD-10-CM › Q00-QA1 › Q90-Q99 › Q98 Other sex chromosome... › Q98.5

Q98.5

Karyotype 47, XYY

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

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.

  1. FY2007 Added to the draft code set draft Karyotype 47, XYY

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 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.

Codes in the same group

CodeDescriptionStatus
Q98.0 Klinefelter syndrome karyotype 47, XXY Valid
Q98.1 Klinefelter syndrome, male with more than two X chromosomes Valid
Q98.3 Other male with 46, XX karyotype Valid
Q98.4 Klinefelter syndrome, unspecified Valid
Q98.6 Male with structurally abnormal sex chromosome Valid
Q98.7 Male with sex chromosome mosaicism Valid
Q98.8 Other specified sex chromosome abnormalities, male phenotype Valid
Q98.9 Sex chromosome abnormality, male phenotype, unspecified Valid