ICD-10-CM · Chapter 17 · Q00–Q99
Q91.2
Trisomy 18, translocation
Congenital malformations, deformations and chromosomal abnormalities
Quick facts
- Code
- Q91.2
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities
- Category
- Q91 — Trisomy 18 and Trisomy 13
- Specificity
- 4 characters
How coders use this code
ICD-10-CM Q91.2 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of trisomy 18, translocation. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in Q91
- Q91Trisomy 18 and Trisomy 13
- Q91.0Trisomy 18, nonmosaicism (meiotic nondisjunction)
- Q91.1Trisomy 18, mosaicism (mitotic nondisjunction)
- Q91.3Trisomy 18, unspecified
- Q91.4Trisomy 13, nonmosaicism (meiotic nondisjunction)
- Q91.5Trisomy 13, mosaicism (mitotic nondisjunction)
- Q91.6Trisomy 13, translocation
- Q91.7Trisomy 13, unspecified
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