D75.838 — Other thrombocytosis
D75.838 is a billable, specific ICD-10-CM code for other thrombocytosis. It is valid for submission on a claim.
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- underlying condition, if known and applicable
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Reactive thrombocytosis
- Secondary thrombocytosis
Risk adjustment
D75.838 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
D75.838 is named in 13 Medicare coverage policies — 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55717Billing and Coding: Lab: Flow Cytometry
- A56464Billing and Coding: Flow Cytometry
- A56793Billing and Coding: Genomic Sequence Analysis Panels in the Treatment of Hematolymphoid Diseases
- A56795Billing and Coding: Erythropoiesis Stimulating Agents (ESAs)
How D75.838 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 D75.838.
- Thrombocytosis›reactive
- Thrombocytosis›secondary
- Thrombocytosis›specified NEC
Related codes at this level
Codes that share D75.83. If D75.838 is not quite right, the correct code is usually one of these.
Questions about D75.838
- Is D75.838 a billable ICD-10-CM code?
- Yes. D75.838 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D75.838 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).