D75.839 — Thrombocytosis, unspecified
D75.839 is a billable, specific ICD-10-CM code for thrombocytosis, unspecified. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Thrombocythemia NOS
- Thrombocytosis NOS
Risk adjustment
D75.839 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
D75.839 is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56795Billing and Coding: Erythropoiesis Stimulating Agents (ESAs)
- A57837Billing and Coding: MolDX: Next-Generation Sequencing Lab-Developed Tests for Myeloid Malignancies and Suspected Myeloid Malignancies
- A57873Billing and Coding: MolDX: Next-Generation Sequencing Lab-Developed Tests for Myeloid Malignancies and Suspected Myeloid Malignancies
- A57878Billing and Coding: MolDX: Next-Generation Sequencing Lab-Developed Tests for Myeloid Malignancies and Suspected Myeloid Malignancies
How D75.839 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 D75.839.
- Thrombocythemia(hemorrhagic)
- Thrombocytosis
Related codes at this level
Codes that share D75.83. If D75.839 is not quite right, the correct code is usually one of these.
Questions about D75.839
- Is D75.839 a billable ICD-10-CM code?
- Yes. D75.839 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D75.839 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).