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ICD-10-CM Diagnosis Code Q91.1

Effective Date: 10/01/2015 To 09/30/2025

Trisomy 18, mosaicism (mitotic nondisjunction)

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
-- -- 148 -- -- -- Acute No
Back-references to Q91.1
  • Syndrome see also Disease
    • trisomy Q92.9
      • 18 Q91.3
        • mitotic nondisjunction Q91.1
          • mosaicism Q91.1
      • Trisomy(syndrome) Q92.9
        • 18(partial) Q91.3
          • mitotic nondisjunction Q91.1
            • mosaicism Q91.1
          • Chapter, Section and Diagnosis Prefix for Q91.1
              Q00-Q99 :

              Congenital malformations, deformations and chromosomal abnormalities

              Q90-Q99 :

              Chromosomal abnormalities, not elsewhere classified

              Q91 :

              Trisomy 18 and Trisomy 13