D59.5
✓ Billable
Paroxysmal nocturnal hemoglobinuria [Marchiafava-Micheli]
ICD-10-CM · FY2026 · Diseases of the Blood and Blood-Forming Organs
Code
D59.5
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Blood and Blood-Forming Organs
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D59.5?
ICD-10-CM code D59.5 represents Paroxysmal nocturnal hemoglobinuria [Marchiafava-Micheli]. It is a billable diagnosis code in the Diseases of the Blood and Blood-Forming Organs chapter, effective October 1, 2025 – September 30, 2026.
Is D59.5 billable?
Yes. D59.5 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is D59.5 in?
D59.5 belongs to the Diseases of the Blood and Blood-Forming Organs chapter (D50–D89) of ICD-10-CM.
Related codes in the D59 category
D59
Acquired hemolytic anemia
Non-billable
D59.0
Drug-induced autoimmune hemolytic anemia
Billable
D59.1
Other autoimmune hemolytic anemias
Non-billable
D59.2
Drug-induced nonautoimmune hemolytic anemia
Billable
D59.3
Hemolytic-uremic syndrome
Non-billable
D59.4
Other nonautoimmune hemolytic anemias
Billable
D59.6
Hemoglobinuria due to hemolysis from other external causes
Billable
D59.8
Other acquired hemolytic anemias
Billable
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