Q91Non-billable (header)

Trisomy 18 and Trisomy 13

Sub-codes of Q91(8)

Q91 is a non-billable header. Select a sub-code to bill.

Q91.0Trisomy 18, nonmosaicism (meiotic nondisjunction)✓ BillableQ91.1Trisomy 18, mosaicism (mitotic nondisjunction)✓ BillableQ91.2Trisomy 18, translocation✓ BillableQ91.3Trisomy 18, unspecified✓ BillableQ91.4Trisomy 13, nonmosaicism (meiotic nondisjunction)✓ BillableQ91.5Trisomy 13, mosaicism (mitotic nondisjunction)✓ BillableQ91.6Trisomy 13, translocation✓ BillableQ91.7Trisomy 13, unspecified✓ Billable

Code Hierarchy

┌17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)├Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)├Q91Trisomy 18 and Trisomy 13
└Q91Trisomy 18 and Trisomy 13

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