ICD-10-CM Code Q91.5
Trisomy 13, mosaicism (mitotic nondisjunction)
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.POA Exempt Code
The Center for Medicare & Medicaid Services (CMS) requires medical coders to indicate whether or not a condition was present at the time of admission, in order to properly assign MS-DRG codes. This "Present On Admission" (POA) indicator is recorded on CMS form 4010A.Q91.5 is a billable ICD code used to specify a diagnosis of trisomy 13, mosaicism (mitotic nondisjunction). A 'billable code' is detailed enough to be used to specify a medical diagnosis.
POA Indicators on CMS form 4010A are as follows:
| Indicator | Meaning | CMS Will Pay CC/MCC DRG Costs |
|---|---|---|
| Y | Diagnosis was present at time of inpatient admission | Yes |
| N | Diagnosis was not present at time of inpatient admission | No |
| U | Documentation insufficient to determine if the condition was present at the time of inpatient admission. | No |
| W | Clinically undetermined. Provider unable to clinically determine whether the condition was present at the time of inpatient admission. | Yes |
| 1 | Exempt from POA reporting | No |
The ICD code Q915 is used to code Patau syndrome
Patau syndrome /ˈpætaʊ/ is a syndrome caused by a chromosomal abnormality, in which some or all of the cells of the body contain extra genetic material from chromosome 13. This can occur either because each cell contains a full extra copy of chromosome 13 (a disorder known as trisomy 13 or trisomy D), or because each cell contains an extra partial copy of the chromosome (i.e., Robertsonian translocation) or because of mosaic Patau syndrome. Full trisomy 13 is caused by nondisjunction of chromosomes during meiosis (the mosaic form is caused by nondisjunction during mitosis). The extra genetic material from chromosome 13 disrupts the normal course of development, causing multiple and complex organ defects. Like all nondisjunction conditions (such as Down syndrome and Edwards syndrome), the risk of this syndrome in the offspring increases with maternal age at pregnancy, with about 31 years being the average. Patau syndrome affects somewhere between 1 in 10,000 and 1 in 21,700 live births.
| Specialty: | Medical Genetics |
| MeSH Code: | C536305 |
| ICD 9 Code: | 758.1 |
Chromosome 13
MS-DRG Mapping
- DRG Group #884 - Organic disturbances and mental retardation.
Related Concepts SNOMET-CT
- Trisomy 13 - mitotic nondisjunction mosaicism (disorder)
ICD-10-CM Alphabetical Index References for 'Q91.5 - Trisomy 13, mosaicism (mitotic nondisjunction)'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Q91.5. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code Q91.5 and a single ICD9 code, 758.1 is an approximate match for comparison and conversion purposes.
Parent Code: Q91 - Trisomy 18 and Trisomy 13