Q91.4
BillableTrisomy 13, nonmosaicism (meiotic nondisjunction)
Trisomy 13, nonmosaicism (meiotic nondisjunction)
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(7)
Q91.0Trisomy 18, nonmosaicism (meiotic nondisjunction)
Q91.1Trisomy 18, mosaicism (mitotic nondisjunction)
Q91.2Trisomy 18, translocation
Q91.3Trisomy 18, unspecified
Q91.5Trisomy 13, mosaicism (mitotic nondisjunction)
Q91.6Trisomy 13, translocation
Q91.7Trisomy 13, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(11)
SNOMED CT
Clinical Terms
- Trisomy 13, meiotic nondisjunction
- Complete trisomy 13 syndrome
- Whole chromosome trisomy meiotic nondisjunction
- D>1< trisomy syndrome
- Patau syndrome
Frequently Asked Questions
What is the ICD-10 code for trisomy 13, nonmosaicism (meiotic nondisjunction)?
The ICD-10-CM code for trisomy 13, nonmosaicism (meiotic nondisjunction) is Q91.4. The full clinical description is "Trisomy 13, nonmosaicism (meiotic nondisjunction)". Q91.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q91.4 mean?
ICD-10-CM code Q91.4 represents “Trisomy 13, nonmosaicism (meiotic nondisjunction)”. 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 Q91.4 a billable code?
Yes, Q91.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q91.4 in?
Q91.4 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What SNOMED CT codes does Q91.4 map to?
Q91.4 maps to 3 SNOMED CT concepts: 21111006, 205619006, 254269007. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q91.4?
Q91.4 is linked to 1 UMLS Concept Unique Identifier: C2910355. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q91.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like trisomy 13, nonmosaicism (meiotic nondisjunction) affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q91.4?
Q91.4 maps to the ICD-11 code: LD40.1 (Complete trisomy 13).
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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.