D75.822 — Immune-mediated heparin-induced thrombocytopenia
D75.822 is a billable, specific ICD-10-CM code for immune-mediated heparin-induced thrombocytopenia. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Immune-mediated HIT
- Type 2 heparin-induced thrombocytopenia
Risk adjustment
D75.822 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
D75.822 is named in 4 Medicare coverage policies — 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56464Billing and Coding: Flow Cytometry
- A56795Billing and Coding: Erythropoiesis Stimulating Agents (ESAs)
- A57594Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies
- A57689Billing and Coding: Lab: Flow Cytometry
How D75.822 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D75.822.
- Thrombocytopenia, thrombocytopenic›heparin induced›immune-mediated
- Thrombocytopenia, thrombocytopenic›heparin induced›type 2
Related codes at this level
Codes that share D75.82. If D75.822 is not quite right, the correct code is usually one of these.
Questions about D75.822
- Is D75.822 a billable ICD-10-CM code?
- Yes. D75.822 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D75.822 sit in the tabular list?
- Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Other disorders of blood and blood-forming organs (D70-D77).