Q91

Non-Billable

Trisomy 18 and Trisomy 13

Q91 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

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