Q98.8
BillableOther specified sex chromosome abnormalities, male phenotype
Other specified sex chromosome abnormalities, male phenotype
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(8)
Q98.0Klinefelter syndrome karyotype 47, XXY
Q98.1Klinefelter syndrome, male with more than two X chromosomes
Q98.3Other male with 46, XX karyotype
Q98.4Klinefelter syndrome, unspecified
Q98.5Karyotype 47, XYY
Q98.6Male with structurally abnormal sex chromosome
Q98.7Male with sex chromosome mosaicism
Q98.9Sex chromosome abnormality, male phenotype, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(49)
SNOMED CT
- Sex phenotype-karyotype dissociation syndrome36114005
- Genetic giant80849007
- Giant80849007
- Giantism80849007
- Gigantism80849007
- Normal giant80849007
- Primordial giant80849007
- Acromegalic gigantism86073008
- Hypersomatotropic gigantism86073008
- Launois syndrome86073008
- Pituitary gigantism86073008
- Absence of sex chromosome254259001
- XXYY syndrome403760006
- Sex chromosome aneuploidy725084009
- 48,XYYY syndrome733625003
- 49,XYYYY syndrome734028007
- Familial infantile gigantism773645004
- Hereditary infantile gigantism773645004
- Infantile gigantism due to pituitary hyperplasia773645004
- Distal Xq28 microduplication syndrome773670004
- Distal trisomy Xq28773670004
- Chromosome Xq26 microduplication syndrome789187001
- X-LAG (X-linked acrogigantism) due to Xq26 microduplication789187001
- X-linked acrogigantism due to Xq26 microduplication789187001
Clinical Terms
- Sex phenotype-karyotype dissociation syndrome
- Giant
- Normal giant
- Infantile gigantism due to pituitary hyperplasia
- Pituitary gigantism
- Acromegalic gigantism
- 49,XYYYY syndrome
- XXYY syndrome
- Distal trisomy Xq28
- Absence of sex chromosome
- Hypersomatotropic gigantism
- Chromosome Xq26 microduplication syndrome
- Giantism
- Gigantism
- Sex chromosome aneuploidy
- Primordial giant
- Familial infantile gigantism
- X-linked acrogigantism due to Xq26 microduplication
- Hereditary infantile gigantism
- Launois syndrome
- Genetic giant
- 48,XYYY syndrome
- Distal Xq28 microduplication syndrome
- X-LAG (X-linked acrogigantism) due to Xq26 microduplication
Frequently Asked Questions
What is the ICD-10 code for other specified sex chromosome abnormalities, male phenotype?
The ICD-10-CM code for other specified sex chromosome abnormalities, male phenotype is Q98.8. The full clinical description is "Other specified sex chromosome abnormalities, male phenotype". Q98.8 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q98.8 mean?
ICD-10-CM code Q98.8 represents “Other specified sex chromosome abnormalities, male phenotype”. 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 Q98.8 a billable code?
Yes, Q98.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q98.8 in?
Q98.8 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What SNOMED CT codes does Q98.8 map to?
Q98.8 maps to 11 SNOMED CT concepts: 733625003, 734028007, 254259001, 86073008, 789187001, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q98.8?
Q98.8 is linked to 1 UMLS Concept Unique Identifier: C0478106. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q98.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other specified sex chromosome abnormalities, male phenotype 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 Q98.8?
Q98.8 maps to the ICD-11 code: LD5Z (Sex chromosome anomalies, unspecified).
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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.