Index to Diseases and Injuries
Anomaly, anomalous › chromosomes, chromosomal
Index code:Q99.9
- D (1) — see condition, chromosome 13
- E (3) — see condition, chromosome 18
- G — see condition, chromosome 21
- sex
- female phenotype Q97.8
- gonadal dysgenesis (pure) Q99.1
- Klinefelter's Q98.4
- male phenotype Q98.9
- Turner's Q96.9
- specified NEC Q99.8
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Anomaly, anomalous › chromosomes, chromosomal?
The ICD-10-CM Alphabetic Index directs "Anomaly, anomalous › chromosomes, chromosomal" to Q99.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.