Q91.0 TRISOMY 18, NONMOSAICISM (MEIOTIC NONDISJUNCTION)

Code Information

  • Diagnosis Code: Q91.0
  • Short Description: Trisomy 18, nonmosaicism (meiotic nondisjunction)
  • Long Description: Trisomy 18, nonmosaicism (meiotic nondisjunction)
  • Code Version: 2025 ICD-10-CM

The code Q91.0 is VALID for claim submission

Code Classification

Synonyms

  • Complete trisomy 18 syndrome
  • Trisomy 18 - meiotic nondisjunction
  • Whole chromosome trisomy meiotic nondisjunction

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
Q91.0 Right Arrow 758.2 Edwards' syndrome
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
Q91 Trisomy 18 and Trisomy 13
Q91.1 Trisomy 18, mosaicism (mitotic nondisjunction)
Q91.2 Trisomy 18, translocation
Q91.3 Trisomy 18, unspecified
Q91.4 Trisomy 13, nonmosaicism (meiotic nondisjunction)
Q91.5 Trisomy 13, mosaicism (mitotic nondisjunction)
Q91.6 Trisomy 13, translocation
Q91.7 Trisomy 13, unspecified
This page was last updated on: 10/1/2025
Previous Code
Next Code