D72.18 — Eosinophilia in diseases classified elsewhere
D72.18 is a billable, specific ICD-10-CM code for eosinophilia in diseases classified elsewhere. It is valid for submission on a claim.
Code first
The underlying condition must be sequenced before this code.
- underlying disease, such as:
- chronic myelomonocytic leukemia (C93.1-)
Risk adjustment
D72.18 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
D72.18 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57689Billing and Coding: Lab: Flow Cytometry
- A59491Billing and Coding: Genetic Testing for Oncology
- A59491Billing and Coding: Genetic Testing for Oncology
How D72.18 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 D72.18.
- Eosinophilia›in disease classified elsewhere
Related codes at this level
Codes that share D72.1. If D72.18 is not quite right, the correct code is usually one of these.
Questions about D72.18
- Is D72.18 a billable ICD-10-CM code?
- Yes. D72.18 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D72.18 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).