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ICD-10 diagnosis code

Q98.8 Other specified sex chromosome abnormalities, male phenotype

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Q98.8 is the ICD-10 code for Other specified sex chromosome abnormalities, male phenotype. It is a four-character subcategory of Q98 (Other sex chromosome abnormalities, male phenotype, not elsewhere classified), the most specific level in the WHO edition. It belongs to the block Q90–Q99 (Chromosomal abnormalities, not elsewhere classified) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.

Code type
Subcategory (4 characters)
Chapter
XVII · Q00–Q99
Classification
WHO ICD-10, 2019 version

Q98.8 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

Q98.8Andra specificerade könskromosomavvikelser, manlig fenotyp

NorwayICD-10-NO

Q98.8Annet spesifisert kjønnskromosomavvik med mannlig fenotype

DenmarkICD-10-DK

DQ988Anden kønskromosomanomali med mandlig fænotype

  • DQ988AMand med YO-syndrom
  • DQ988BMand med YY-syndrom
FinlandICD-10-FI

Q98.8Muu sukupuolikromosomin poikkeama miehellä

GermanyICD-10-GM

Q98.8Sonstige näher bezeichnete Anomalien der Gonosomen bei männlichem Phänotyp

FranceICD-10-FR

Q98.8Autres anomalies précisées des chromosomes sexuels, phénotype masculin

NetherlandsICD-10-NL

Q98.8overige gespecificeerde geslachtschromosoomafwijkingen, mannelijk

United StatesICD-10-CM

Q98.8Other specified sex chromosome abnormalities, male phenotype

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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