Abnormal Unswitched Memory B Cell Proportion C5139144
This involves an abnormal proportion of certain immune cells in the blood. It may indicate immune system problems and typically requires further medical evaluation.
Key facts at a glance
- ICD-10
- D89.9
- ICD-11
- 3A00.0
- Body system
- immunologic
- Severity
- moderate
- Chronic
- true
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy