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ICD-10 diagnosis code

Q91.5 Trisomy 13, mosaicism (mitotic nondisjunction)

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Q91.5 is the ICD-10 code for Trisomy 13, mosaicism (mitotic 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

Q91.5 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

Q91.5Trisomi 13, mosaicism (mitotic nondisjunction)

NorwayICD-10-NO

Q91.5Trisomi 13, mosaikk (mitotisk nondisjunksjon)

DenmarkICD-10-DK

DQ915Trisomi 13, mosaik mitotisk nondisjunktion

  • DQ915ATrisomi 13-15, mosaik mitotisk nondisjunktion
FinlandICD-10-FI

Q91.5Trisomia 13, mosaikismi (mitoottinen nondisjunktio)

GermanyICD-10-GM

Q91.5Trisomie 13, Mosaik (mitotische Non-disjunction)

FranceICD-10-FR

Q91.5Trisomie 13, mosaïque chromosomique (non-disjonction mitotique)

NetherlandsICD-10-NL

Q91.5trisomie 13, mosaïcisme (mitotische non-disjunctie)

United StatesICD-10-CM

Q91.5Trisomy 13, mosaicism (mitotic 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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