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Precursor B Cell Acute Lymphoblastic Leukemia C0349636

Published: July 22, 2026Updated: August 25, 2026

Precursor B cell acute lymphoblastic leukemia is a cancer of immature white blood cells that develops quickly. It is the most common childhood cancer. Treatment involves intensive chemotherapy and has a generally favorable outlook for many patients.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
C96.9
ICD-11
2A00.0
Body system
hematologic
Severity
severe
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Bone pain

(musculoskeletal)

Generalized symptoms

(hematologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Varies

Easy bruising

(hematologic)

Fatigue

(hematologic)

Testicular swelling

(reproductive)

Medication Comparisons

Compare medications used to treat Precursor B Cell Acute Lymphoblastic Leukemia C0349636. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy