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Ch. 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
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Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
› Q99
Q99
Other chromosome abnormalities, not elsewhere classified
ICD-10-CM category (non-billable header) code — part of Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Code Details
Billable
No — use a more specific child code
Chapter
Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Section
Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Subcategories (5)
Q99.0
Chimera 46, XX/46, XY
Q99.1
46, XX true hermaphrodite
Q99.2
Fragile X chromosome
Q99.8
Other specified chromosome abnormalities
Q99.9
Chromosomal abnormality, unspecified
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