D56.3 ICD-10-CM Code: Thalassemia minor
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
D56.3Thalassemia minor
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where D56.3 sits
- 1
Chapter 3
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- 2
Section
Hemolytic anemias (D55-D59)
- 3
Category D56
Thalassemia
- 4
Code D56.3
Thalassemia minor
Documentation details
Notes for this code
Inclusion terms
- Alpha thalassemia minor
- Alpha thalassemia silent carrier
- Alpha thalassemia trait
- Beta thalassemia minor
- Beta thalassemia trait
- Delta-beta thalassemia minor
- Delta-beta thalassemia trait
- Thalassemia trait NOS
Code first
No “code first” instruction is listed for D56.3.
Use additional code
No “use additional code” instruction is listed for D56.3.
Excludes1
Conditions that should not be reported together with this code.
- alpha thalassemia (D56.0)
- beta thalassemia (D56.1)
- delta-beta thalassemia (D56.2)
- hemoglobin E-beta thalassemia (D56.5)
- sickle-cell trait (D57.3)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for D56.3.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code D56.3 mean?
D56.3 is the FY 2027 U.S. ICD-10-CM code for “Thalassemia minor.”
Is D56.3 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, D56.3 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is D56.3 located in ICD-10-CM?
D56.3 is listed in Chapter 3, Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), within Hemolytic anemias (D55-D59) (D55–D59), under category D56, Thalassemia.
What coding notes are listed for D56.3?
Its listed inclusion terms are Alpha thalassemia minor; Alpha thalassemia silent carrier; Alpha thalassemia trait; Beta thalassemia minor; Beta thalassemia trait; Delta-beta thalassemia minor; Delta-beta thalassemia trait; Thalassemia trait NOS. No code-first instruction is listed. Excludes1 notes: alpha thalassemia (D56.0); beta thalassemia (D56.1); delta-beta thalassemia (D56.2); hemoglobin E-beta thalassemia (D56.5); sickle-cell trait (D57.3). No Excludes2 note is listed.
Keep exploring
Related D56 codes
Ready to transform your clinical documentation?
Join Vero and see how effortless documentation can be.
No credit card required
Cancel anytime