D72.1
⚠ Non-billable (Header)Eosinophilia
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • basophilia (D72.824)
- • immunity disorders (D80-D89)
- • preleukemia (syndrome) (D46.9)
⚠️ Excludes2
directBoth codes can exist if both conditions are documented.
- • Löffler's syndrome (J82.89)
- • pulmonary eosinophilia (J82.-)
Child Codes (5)
Clinical Description
ICD-10-CM code D72.1 represents eosinophilia. This code falls under the Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 5-character code at the 4th level of specificity. There are 5 more specific child codes under D72.1. Coders should note that D72.1 has 3 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code D72.1?
ICD-10-CM code D72.1 is "Eosinophilia". It belongs to the category: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).
Is D72.1 a billable ICD-10 code?
No, D72.1 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with D72.1?
D72.1 has 3 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can D72.1 be coded with other codes?
D72.1 has 3 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in D72
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)