ICD-10-CM · Chapter 3 · D50–D89
D72.81
Decreased white blood cell count
Diseases of the blood and immune mechanism
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- D72.81
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 3 — Diseases of the blood and immune mechanism
- Category
- D72 — Other disorders of white blood cells
- Specificity
- 5 characters
How coders use this code
ICD-10-CM D72.81 is a category (header) for decreased white blood cell count. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in D72
- D72Other disorders of white blood cells
- D72.0Genetic anomalies of leukocytes
- D72.1Eosinophilia
- D72.10Eosinophilia, unspecified
- D72.11Hypereosinophilic syndrome [HES]
- D72.110Idiopathic hypereosinophilic syndrome [IHES]
- D72.111Lymphocytic Variant Hypereosinophilic Syndrome [LHES]
- D72.118Other hypereosinophilic syndrome
- D72.119Hypereosinophilic syndrome [HES], unspecified
- D72.12Drug rash with eosinophilia and systemic symptoms syndrome
- D72.18Eosinophilia in diseases classified elsewhere
- D72.19Other eosinophilia
- D72.8Other specified disorders of white blood cells
- D72.810Lymphocytopenia
- D72.818Other decreased white blood cell count
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