AutoICD API

Q98.1

Billable

Klinefelter syndrome, male with more than two X chromosomes

Klinefelter syndrome, male with more than two X chromosomes

Status

Billable / Specific

Parent Code

Q98

ICD-11 Mapping

1 equivalent

Coding Notes

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(8)
Q98.0

Klinefelter syndrome karyotype 47, XXY

BillableQ98.3

Other male with 46, XX karyotype

BillableQ98.4

Klinefelter syndrome, unspecified

BillableQ98.5

Karyotype 47, XYY

BillableQ98.6

Male with structurally abnormal sex chromosome

BillableQ98.7

Male with sex chromosome mosaicism

BillableQ98.8

Other specified sex chromosome abnormalities, male phenotype

BillableQ98.9

Sex chromosome abnormality, male phenotype, unspecified

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

LD50.31Klinefelter syndrome, male with more than two X chromosomesequivalentPrimary
Also Known As / Clinical Terms(36)

SNOMED CT

UMLS

Clinical Terms

  • klinefelter's syndromes
  • Klinefelter syndrome XXXY
  • Klinefelter syndrome XXXXY
  • Mosaic including XXXXY
  • Klinefelter syndrome, XY/XXY mosaic
  • XXXXY syndrome
  • Sex chromosome mosaicism
  • Klinefelter syndrome, XXYY
  • Klinefelter syndrome
  • klinefelters's syndrome
  • klinefelter's syndrome
  • Klinefelter's syndrome, XY/XXY mosaic
  • klinefelter 's syndrome
  • Klinefelter's syndrome XXXY
  • Klinefelter's syndrome, XXYY
  • Klinefelter's syndrome XXXXY
  • XXXY syndrome
Frequently Asked Questions
What is the ICD-10 code for klinefelter syndrome, male with more than two x chromosomes?

The ICD-10-CM code for klinefelter syndrome, male with more than two x chromosomes is Q98.1. The full clinical description is "Klinefelter syndrome, male with more than two X chromosomes". Q98.1 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q98.1 mean?

ICD-10-CM code Q98.1 represents “Klinefelter syndrome, male with more than two X chromosomes”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q98.1 a billable code?

Yes, Q98.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q98.1 in?

Q98.1 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What SNOMED CT codes does Q98.1 map to?

Q98.1 maps to 9 SNOMED CT concepts: 22053006, 275264009, 275263003, 205699007, 205700008, and 4 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q98.1?

Q98.1 is linked to 1 UMLS Concept Unique Identifier: C0432474. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q98.1 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like klinefelter syndrome, male with more than two x chromosomes affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of Q98.1?

Q98.1 maps to the ICD-11 code: LD50.31 (Klinefelter syndrome, male with more than two X chromosomes).

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.