D59.9Billable

Acquired hemolytic anemia, unspecified

Chapter
3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Category
D59
Effective date
October 1, 2026

Related codes in category D59

Frequently asked questions

What is ICD-10 code D59.9?

D59.9 is an ICD-10-CM diagnosis code for Acquired hemolytic anemia, unspecified.

Is D59.9 a billable code?

Yes. D59.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is D59.9 in?

D59.9 falls under Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.

When did D59.9 become effective?

D59.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to D59.9?

D59.9 belongs to category D59, 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.