Q89.4
BillableConjoined twins
Conjoined twins
Status
Billable / Specific
Parent Code
Q89Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Craniopagus
- Dicephaly
- Pygopagus
- Thoracopagus
Excludes 2
Conditions not included here, but the patient may have both
- inborn errors of metabolism (E70-E88)
Also Known As / Clinical Terms
SNOMED CT
- Thoracodidymus1769008
- Anadidymus6667002
- Thoracopagus epigastricus7722005
- Dicephalus dipus tribrachius7763004
- Syncephalus8569001
- Synencephalus8569001
- Synencephaly8569001
- Catadidymus8962004
- Katadidymus8962004
- Desmiognathus15969009
- Dicephalus parasiticus15969009
- Heterodidymus16095003
- Heterodymus16095003
- Ischiopagus19179000
- Ischiopagus twins19179000
- Cephalothoracopagus21530000
- Xiphopagus24297000
- Thoracodelphus24533004
- Thoradelphus24533004
- Thoracopagus parasiticus24679000
- Pygoamorphus30248008
- Epignathus31248004
- Deradelphus35595006
- Conjoined twins with two heads38439000
- Cranial duplication38439000
- Craniodidymus38439000
- Dicephalus38439000
- Dicephaly38439000
- Monocephalus39564008
- Dicephalus tripus tribrachius41132007
- Conjoined twins41337007
- Siamese twins41337007
- Cryptodidymus43387009
- Fetus in fetu43387009
- Foetus in foetu43387009
- Parasite of asymmetrical conjoined twins46100008
- Parasitic twin of asymmetrical conjoined twins46100008
- Dicephalus dipus dibrachius46698009
- Janiceps57918009
- Janus57918009
- Synthorax59777009
- Thoracopagus59777009
- Thorax-joined twins59777009
- Anakatadidymus64490002
- Dicephalus dipygus64490002
- Craniopagus parietalis66426000
- Asymmetrical conjoined twins70013003
- Asymmetrical disomata70013003
- Heteradelphus70013003
- Heteropagus70013003
- Heteropagus twins70013003
- Unequal conjoined twins70013003
- Buttock-joined twins70642007
- Pygopagus70642007
- Dipygus71464000
- Opodidymus74307005
- Opodymus74307005
- Cephalopagus74516008
- Craniopagus74516008
- Head-joined twins74516008
- Monomphalus75617000
- Omphalopagus75617000
- Omphalopagus twins75617000
- Diplopagus76089002
- Duplicitas symmetros76089002
- Equal conjoined twins76089002
- Symmetrical conjoined twins76089002
- Symmetrical disomata76089002
- Gastrothoracopagus78728005
- Thoracogastrodidymus78728005
- Ischiomelus81307004
- Thoracoparacephalus82007007
- Pygodidymus84589003
- Dicephalus dipus tetrabrachius85445006
- Craniopagus occipitalis85630009
- Thoracomelus86280002
- Dipygus parasiticus89409002
- Gastrothoracopagus dipygus89409002
- Fetal neoplasm127332000
- Foetal neoplasm127332000
- Craniopagus frontalis205771006
- Craniopagus parasiticus205774003
- Thoracopagus with separate hearts and pericardial sacs458040001
- Thoracopagus with separate hearts and common pericardial sac458041002
- Thoracopagus with conjoined atria458042009
- Thoracopagus with conjoined atriums458042009
- Thoracopagus with conjoined atria and ventricles458043004
- Thoracopagus with conjoined atriums and ventricles458043004
- Rachipagus458044005
- Parapagus458085000
- Dithoracic parapagus458086004
- Dicephalic parapagus458087008
- Polysomia723974008
- Polysomus723974008
- Fetal epignathus897278005
- Foetal epignathus897278005
- Fetal epignathus with conjoined twins897279002
- Foetal epignathus with conjoined twins897279002
- Thoracoomphalopagus1010611006
- Sternopagus1010667003
UMLS
- Buttock-joined twinsC0266711
- PygopagusC0266711
- Pygopagus (disorder)C0266711
- CephalopagusC0266692
- CraniopagusC0266692
- Craniopagus (disorder)C0266692
- Head-joined twinsC0266692
- Conjoined TwinC0041428
- Conjoined TwinsC0041428
- Conjoined twinsC0041428
- Conjoined twins (disorder)C0041428
- Siamese TwinC0041428
- Siamese TwinsC0041428
- Siamese twinsC0041428
- Twin, ConjoinedC0041428
- Twin, SiameseC0041428
- Twins, ConjoinedC0041428
- Twins, SiameseC0041428
- conjoin twinC0041428
- conjoined twinC0041428
- conjoined twinsC0041428
- conjoining twinsC0041428
- siamese twinC0041428
- siamese twinsC0041428
- twins conjoinedC0041428
- twins siameseC0041428
- Conjoined twins with two headsC0266674
- Cranial duplicationC0266674
- Cranial duplication (disorder)C0266674
- CraniodidymusC0266674
- DicephalusC0266674
- DicephalyC0266674
- SynthoraxC0266704
- ThoracopagusC0266704
- Thoracopagus (disorder)C0266704
- Thorax-joined twinsC0266704
- thoracopagusC0266704
- thoracopagus twinsC0266704
Frequently Asked Questions
What is the ICD-10 code for conjoined twins?
The ICD-10-CM code for conjoined twins is Q89.4. The full clinical description is "Conjoined twins". Q89.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q89.4 mean?
ICD-10-CM code Q89.4 represents "Conjoined twins". It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q89.4 a billable code?
Yes, Q89.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q89.4 in?
Q89.4 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What SNOMED CT codes does Q89.4 map to?
Q89.4 maps to 58 SNOMED CT concepts: 6667002, 64490002, 70013003, 70642007, 8962004, and 53 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q89.4?
Q89.4 is linked to 5 UMLS Concept Unique Identifiers: C0266711, C0266692, C0041428, C0266674, C0266704. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.