D72.820 — Lymphocytosis (symptomatic)
D72.820 is a billable, specific ICD-10-CM code for lymphocytosis (symptomatic). It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Elevated lymphocytes
Risk adjustment
D72.820 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
D72.820 is named in 11 Medicare coverage policies — 11 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
- A57689Billing and Coding: Lab: Flow Cytometry
- A57837Billing and Coding: MolDX: Next-Generation Sequencing Lab-Developed Tests for Myeloid Malignancies and Suspected Myeloid Malignancies
How D72.820 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 D72.820.
- Lymphocytosis(symptomatic)
- Elevated, elevation›lymphocytes
Related codes at this level
Codes that share D72.82. If D72.820 is not quite right, the correct code is usually one of these.
Questions about D72.820
- Is D72.820 a billable ICD-10-CM code?
- Yes. D72.820 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D72.820 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).