D46.9Billable
Myelodysplastic syndrome, unspecified
- Chapter
- 2. Neoplasms
- Category
- D46
- Effective date
- October 1, 2026
Related codes in category D46
D46Myelodysplastic syndromesD46.0Refractory anemia without ring sideroblasts, so statedYesD46.1Refractory anemia with ring sideroblastsYesD46.2Refractory anemia with excess of blasts [RAEB]D46.20Refractory anemia with excess of blasts, unspecifiedYesD46.21Refractory anemia with excess of blasts 1YesD46.22Refractory anemia with excess of blasts 2YesD46.4Refractory anemia, unspecifiedYesD46.ARefractory cytopenia with multilineage dysplasiaYesD46.BRefract cytopenia w multilin dysplasia and ring sideroblastsYesD46.CMyelodysplastic syndrome w isolated del(5q) chromsoml abnltYesD46.ZOther myelodysplastic syndromesYes
Frequently asked questions
What is ICD-10 code D46.9?
D46.9 is an ICD-10-CM diagnosis code for Myelodysplastic syndrome, unspecified.
Is D46.9 a billable code?
Yes. D46.9 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is D46.9 in?
D46.9 falls under Chapter 2: Neoplasms.
When did D46.9 become effective?
D46.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D46.9?
D46.9 belongs to category D46, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.