It provides free information and support services, and it advocates for blood cancer patients and their families seeking access to quality and affordable care.

In 2021, The Leukemia & Lymphoma Society Registry began collecting COVID-19 vaccine data from blood cancer patients.

The organization funds research in areas of unmet medical need and helps to bridge the gap between academic discovery and drug development.

[21] Acute myeloid leukemia (AML) is a rapidly progressing disease that remains one of the most deadly blood cancers, killing more than 11,000 Americans a year.

Despite advances in treating other blood cancers, the standard of treatment for AML – a combination of toxic chemotherapies – has changed little over the past four decades.

As part of a wider funding effort including over a dozen other cancer immunotherapy projects, LLS supports more effective and targeted treatments utilizing the body's own internal attack mechanisms.

This approach aims to mitigate the potentially lethal side effects of immunotherapy—such as cytokine release syndrome—by halting the activity of infused T cells, in the event a patient experiences severe treatment toxicity.

[26] The Leukemia & Lymphoma Society is a source of blood cancer information, education and support for patients, their families, survivors, and healthcare professionals.

[27] LLS Blood Cancer Information Specialists are master's level oncology social workers, nurses, and health educators.

[28] As a community-based voluntary health organization, LLS has regional offices throughout the United States and Canada to support blood cancer patients in North America.

[29] The Leukemia & Lymphoma Society's Office of Public Policy advances LLS's mission through advocacy aimed at governmental decision-makers.

[38] Light The Night is The Leukemia & Lymphoma Society's largest community initiative to build awareness of blood cancers as well as raise money for research and support of patients and their families.

[41] Patients, their family, friends, and colleagues take part in the annual evening walk which is at a leisurely pace, ensuring that all participants are able to enjoy the event.