D72.818 — Other decreased white blood cell count
D72.818 is a billable, specific ICD-10-CM code for other decreased white blood cell count. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Basophilic leukopenia
- Eosinophilic leukopenia
- Monocytopenia
- Other decreased leukocytes
- Plasmacytopenia
Risk adjustment
D72.818 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
D72.818 is named in 19 Medicare coverage policies — 19 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
- A56199Billing and Coding: Molecular Pathology Procedures
- A56199Billing and Coding: Molecular Pathology Procedures
- A56199Billing and Coding: Molecular Pathology Procedures
How D72.818 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 D72.818.
- Monocytopenia
- Plasmacytopenia
- Leukopenia›basophilic
- Leukopenia›eosinophilic
- Decrease›leukocytes›specified NEC
- Decrease›white blood cell count›specified NEC
Related codes at this level
Codes that share D72.81. If D72.818 is not quite right, the correct code is usually one of these.
Questions about D72.818
- Is D72.818 a billable ICD-10-CM code?
- Yes. D72.818 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D72.818 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).