2020 ICD-10-CM Diagnosis Code Q98.1

Klinefelter syndrome, male with more than two X chromosomes

    2016 2017 2018 2019 2020 Billable/Specific Code Male Dx POA Exempt
  • Q98.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM Q98.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of Q98.1 - other international versions of ICD-10 Q98.1 may differ.
ICD-10-CM Coding Rules
  • Q98.1 is applicable to male patients.
The following code(s) above Q98.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q98.1:
  • Q00-Q99
    2020 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
  • Q90-Q99
    2020 ICD-10-CM Range Q90-Q99

    Chromosomal abnormalities, not elsewhere classified

    Type 2 Excludes
    • mitochondrial metabolic disorders (E88.4-)
    Chromosomal abnormalities, not elsewhere classified
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q98.1 is considered exempt from POA reporting.
ICD-10-CM Q98.1 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 729 Other male reproductive system diagnoses with cc/mcc
  • 730 Other male reproductive system diagnoses without cc/mcc

Convert Q98.1 to ICD-9-CM

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
Code annotations containing back-references to Q98.1:
  • Type 1 Excludes: E29
    ICD-10-CM Diagnosis Code E29

    Testicular dysfunction

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes

Diagnosis Index entries containing back-references to Q98.1:
  • Klinefelter's syndrome Q98.4
    ICD-10-CM Diagnosis Code Q98.4

    Klinefelter syndrome, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code Male Dx POA Exempt
    • male with more than two X chromosomes Q98.1
  • Syndrome - see also Disease
    • XXXXY Q98.1
  • XXXXY syndrome Q98.1

ICD-10-CM Codes Adjacent To Q98.1
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
Q99.0 Chimera 46, XX/46, XY
Q99.1 46, XX true hermaphrodite

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