ICD10Check
CheckerBrowseOpen

Q99.89

✓ Billable

Other specified chromosome abnormalities

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

Check This Code
✅ No additional coding notes for Q99.89

🧪 Validate Combinations

Add Q99.89 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeQ99.89
BillableYes
ParentQ99.8
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)