ICD10Check
CheckerBrowseOpen

D46.9

✓ Billable

Myelodysplastic syndrome, unspecified

Neoplasms (C00-D49)

Check This Code

Also Known As

Myelodysplasia NOS

⚠️ Excludes2

inherited from D46

Rules from parent category D46: Myelodysplastic syndromes

  • • drug-induced aplastic anemia (D61.1)

📋 Code Instructions

from D46
  • • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

🧪 Validate Combinations

Add D46.9 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeD46.9
BillableYes
ParentD46
CategoryNeoplasms (C00-D49)
Excludes10 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)