Q91 Non-Billable Code
Trisomy 18 and Trisomy 13
Chapter Classification
Chapter 17
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
Section Detail
Q90-Q99
Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
More Specific Diagnosis Codes
This code is not billable as it requires a higher level of specificity. Select a more specific code below.
- Q91.0 - Trisomy 18, nonmosaicism (meiotic nondisjunction) Billable
- Q91.1 - Trisomy 18, mosaicism (mitotic nondisjunction) Billable
- Q91.2 - Trisomy 18, translocation Billable
- Q91.3 - Trisomy 18, unspecified Billable
- Q91.4 - Trisomy 13, nonmosaicism (meiotic nondisjunction) Billable
- Q91.5 - Trisomy 13, mosaicism (mitotic nondisjunction) Billable
- Q91.6 - Trisomy 13, translocation Billable
- Q91.7 - Trisomy 13, unspecified Billable
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