D72.821

Billable

Monocytosis (symptomatic)

D72.821 is the ICD-10-CM code for Monocytosis (symptomatic). It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
D50-D89
Parent
D72.82
Edition
FY2026

D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

Excludes1 — not coded here

  • infectious mononucleosis (B27.-)

Frequently asked questions

What is ICD-10 code D72.821?
D72.821 is the ICD-10-CM code for "Monocytosis (symptomatic)". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
Is D72.821 a billable code?
Yes — D72.821 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from D72.821?
Excludes1 (not coded here): infectious mononucleosis (B27.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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