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Diagnosis Code

Q89.4 CONJOINED TWINS


Code Information

Diagnosis Code: Q89.4

Short Description: Conjoined twins

Long Description: Conjoined twins

The code Q89.4 is VALID for claim submission

Code Classification:

  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • Other congenital malformations (Q80-Q89)
      • Other congenital malformations, not elsewhere classified (Q89)
        • Q89.4 Conjoined twins

Code Version: 2022 ICD-10-CM


Synonyms

  • Anadidymus
  • Anakatadidymus
  • Asymmetrical conjoined twins
  • Cephalothoracopagus
  • Conjoined twins
  • Cranial duplication
  • Craniopagus
  • Craniopagus frontalis
  • Craniopagus occipitalis
  • Craniopagus parasiticus
  • Craniopagus parietalis
  • Deradelphus
  • Derodidymis
  • Desmiognathus
  • Dicephalic parapagus
  • Dicephalus dipus dibrachius
  • Dicephalus dipus tetrabrachius
  • Dicephalus dipus tribrachius
  • Dicephalus tripus tribrachius
  • Dipygus
  • Dithoracic parapagus
  • Epignathus
  • Fetal epignathus
  • Fetal epignathus with conjoined twins
  • Fetal neoplasm
  • Fetal neoplasm
  • Fetus in fetu
  • Gastrothoracopagus
  • Gastrothoracopagus dipygus
  • Heterodymus
  • Ischiomelus
  • Ischiopagus
  • Janiceps
  • Katadidymus
  • Monocephalus
  • Omphalopagus
  • Opodidymus
  • Parapagus
  • Parasitic twin of asymmetrical conjoined twins
  • Parasitic twin of asymmetrical conjoined twins
  • Parasitic twin of asymmetrical conjoined twins
  • Parasitic twin of asymmetrical conjoined twins
  • Parasitic twin of asymmetrical conjoined twins
  • Polysomia
  • Pygoamorphus
  • Pygodidymus
  • Pygopagus
  • Rachipagus
  • Sternopagus
  • Symmetrical conjoined twins
  • Syncephalus
  • Thoracodelphus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracodidymus
  • Thoracomelus
  • Thoracoomphalopagus
  • Thoracopagus
  • Thoracopagus
  • Thoracopagus
  • Thoracopagus
  • Thoracopagus epigastricus
  • Thoracopagus parasiticus
  • Thoracopagus with conjoined atria
  • Thoracopagus with conjoined atria and ventricles
  • Thoracopagus with separate hearts and common pericardial sac
  • Thoracopagus with separate hearts and pericardial sacs
  • Thoracoparacephalus
  • Xiphopagus

Diagnostic Related Group(s)

The code Q89.4 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Other Digestive System Diagnoses With Mcc (393)
  • Other Digestive System Diagnoses With Cc (394)
  • Other Digestive System Diagnoses Without Cc/mcc (395)

References to Index of Diseases and Injuries

The code Q89.4 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Craniopagus
    • Dicephaly
    • Pygopagus
    • Thoracopagus

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
Q89.4 Right Arrow 759.4 Conjoined twins

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
Q89 Other congenital malformations, not elsewhere classified
Q89.0 Congenital absence and malformations of spleen
Q89.01 Asplenia (congenital)
Q89.09 Congenital malformations of spleen
Q89.1 Congenital malformations of adrenal gland
Q89.2 Congenital malformations of other endocrine glands
Q89.3 Situs inversus
Q89.7 Multiple congenital malformations, not elsewhere classified
Q89.8 Other specified congenital malformations
Q89.9 Congenital malformation, unspecified

This page was last updated on: 10/1/2023

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