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Q99.9 Chromosomal abnormality, unspecified

Instructional Notes:

Q99.9
Description: Chromosomal abnormality, unspecified
↓
Q99
Description: Other chromosome abnormalities, not elsewhere classified
↓
Q90-Q99
Description: Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Exclude2:
- mitochondrial metabolic disorders (E88.4-)
↓
Q00-Q99
Description: Congenital malformations, deformations and chromosomal abnormalities
Exclude2:
- inborn errors of metabolism (E70-E88)
Notes:
- Codes from this chapter are not for use on maternal records