D72.821
D72.821: Monocytosis (symptomatic)
Billable / specific codeICD-10-CM
D72.821 is a billable, specific ICD-10-CM code for monocytosis (symptomatic). It is valid for submission on a claim.
Check D72.821 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- infectious mononucleosis (B27.-)
Excludes1 inherited from the categories above D72.821
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above D72.821
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
D72.821 is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55717Billing and Coding: Lab: Flow Cytometry
- A56199Billing and Coding: Molecular Pathology Procedures
- A56464Billing and Coding: Flow Cytometry
- A56793Billing and Coding: Genomic Sequence Analysis Panels in the Treatment of Hematolymphoid Diseases
Alphabetic index entries that lead here
- Monocytosis(symptomatic)
Code history
Unchanged in every release from FY2024 to FY2027.