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ICD-10 diagnosis code

Q55.0 Absence and aplasia of testis

This page in Swedish

Q55.0 is the ICD-10 code for Absence and aplasia of testis. It is a four-character subcategory of Q55 (Other congenital malformations of male genital organs), the most specific level in the WHO edition. It belongs to the block Q50–Q56 (Congenital malformations of genital organs) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.

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

What Q55.0 includes

Conditions and terms that are coded here.

  • Monorchism

Q55.0 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

Q55.0Avsaknad och aplasi av testikel

NorwayICD-10-NO

Q55.0Aplasi av testikkel

DenmarkICD-10-DK

DQ550Agenesi eller aplasi af testikel

  • DQ550AAgenesi af testikel
  • DQ550BAplasi af testikel
  • DQ550CMonorkisme
FinlandICD-10-FI

Listed through more specific codes:

  • Q55.00Synnynnäinen toisen kiveksen puuttuminen
  • Q55.01Synnynnäinen molempien kivesten puuttuminen
GermanyICD-10-GM

Q55.0Fehlen und Aplasie des Hodens

FranceICD-10-FR

Q55.0Absence et aplasie du testicule

NetherlandsICD-10-NL

Q55.0ontbreken en aplasie van testis

United StatesICD-10-CM

Q55.0Absence and aplasia of testis

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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