Q99.0

✓ Billable

Chimera 46, XX/46, XY

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Also Known As

Chimera 46, XX/46, XY true hermaphrodite

✅ No additional coding notes for Q99.0

🧪 Validate Combinations

Add Q99.0 to the Excludes Checker to validate against your full code list.

Code Information

CodeQ99.0

BillableYes

ParentQ99

CategoryCongenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)