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ICD-10-CM Diagnosis Code Q89.4

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

Conjoined twins

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
-- -- -- -- -- -- Acute Yes
Applicable To for Q89.4:
  • Craniopagus

  • Dicephaly

  • Pygopagus

  • Thoracopagus

Back-references to Q89.4
  • Conjoined twins Q89.4
  • Craniopagus Q89.4
  • Dicephalus, dicephaly Q89.4
  • Double
    • monster Q89.4
    • Epignathus Q89.4
    • Fusion, fused(congenital)
      • twins Q89.4
      • Ischiopagus Q89.4
      • Janiceps Q89.4
      • Monster, monstrosity(single) Q89.7
        • twin Q89.4
        • Parasitic see also condition
          • twin Q89.4
          • Pygopagus Q89.4
          • Rudimentary(congenital) see also Agenesis
            • respiratory organs in thoracopagus Q89.4
            • Siamese twin Q89.4
            • Sternopagus Q89.4
            • Syncephalus Q89.4
            • Thoracopagus Q89.4
            • Twin(newborn) see also Newborn, twin
              • conjoined Q89.4
              • Xiphopagus Q89.4
              • Chapter, Section and Diagnosis Prefix for Q89.4
                  Q00-Q99 :

                  Congenital malformations, deformations and chromosomal abnormalities

                  Q80-Q89 :

                  Other congenital malformations

                  Q89 :

                  Other congenital malformations, not elsewhere classified