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ICD-10 diagnosis code

Q91.4 Trisomy 13, meiotic nondisjunction

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Q91.4 is the ICD-10 code for Trisomy 13, meiotic nondisjunction. It is a four-character subcategory of Q91 (Edwards syndrome and Patau syndrome), 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

Q91.4 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

Q91.4Trisomi 13, meiotisk nondisjunction

NorwayICD-10-NO

Q91.4Trisomi 13, meiotisk nondisjunksjon

DenmarkICD-10-DK

DQ914Trisomi 13, meiotisk nondisjunktion

  • DQ914ATrisomi 13-15, meiotisk nondisjunktion
FinlandICD-10-FI

Q91.4Trisomia 13, meioottinen nondisjunktio

GermanyICD-10-GM

Q91.4Trisomie 13, meiotische Non-disjunction

FranceICD-10-FR

Q91.4Trisomie 13, non-disjonction méïotique

NetherlandsICD-10-NL

Q91.4trisomie 13, meiotische non-disjunctie

United StatesICD-10-CM

Q91.4Trisomy 13, nonmosaicism (meiotic nondisjunction)

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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