D75.83Header code — not billable
Thrombocytosis
- Chapter
- 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- Category
- D75
- Effective date
- October 1, 2026
Related codes in category D75
D75Other and unsp diseases of blood and blood-forming organsD75.0Familial erythrocytosisYesD75.1Secondary polycythemiaYesD75.8Other specified diseases of blood and blood-forming organsD75.81MyelofibrosisYesD75.82Heparin induced thrombocytopenia (HIT)D75.821Non-immune heparin-induced thrombocytopeniaYesD75.822Immune-mediated heparin-induced thrombocytopeniaYesD75.828Other heparin-induced thrombocytopenia syndromeYesD75.829Heparin-induced thrombocytopenia, unspecifiedYesD75.838Other thrombocytosisYesD75.839Thrombocytosis, unspecifiedYes
Frequently asked questions
What is ICD-10 code D75.83?
D75.83 is an ICD-10-CM diagnosis code for Thrombocytosis.
Is D75.83 a billable code?
No. D75.83 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is D75.83 in?
D75.83 falls under Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
When did D75.83 become effective?
D75.83 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D75.83?
D75.83 belongs to category D75, 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.