Adult I Phenotype Without Cataract Cn301193
Adult I phenotype is a rare blood group variant without cataract involvement. It does not cause health problems and is primarily relevant for blood matching during transfusions.
Key facts at a glance
- ICD-10
- D64.9
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(hematologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Mild fatigue
(hematologic)Slight pallor
(hematologic)Mild jaundice
(hematologic)Transient splenomegaly
(hematologic)Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy