Organ Donation Improvement Act of 2003

Organ Donation Improvement Act of 2003 - (Sec. 3) Amends the Public Health Service Act to authorize the Secretary of Health and Human Services to award grants or contracts to States, transplant centers, qualified organ procurement organizations, or other public or private entities for the purpose of providing payment for: (1) travel and subsistence expenses incurred by individuals toward living donations of their organs; and (2) such incidental nonmedical expenses that are so incurred as the Secretary determines to be appropriate.

Sets forth payment eligibility criteria and limitations, including that payments may be made for the qualifying expenses of a donating individual only if: (1) the State in which the donating individual resides is a different State than the State in which the intended recipient of the organ resides; and (2) the annual income of the intended recipient of the organ does not exceed $35,000.

(Sec. 4) Directs the Secretary to (directly or through grants or contracts) carry out a program to educate the public with respect to organ donation, including the need to provide for an adequate rate of such donations.

Authorizes the Secretary to make grants to public and nonprofit private entities for the purpose of carrying out studies and demonstration projects with respect to providing for an adequate rate of organ donation.

Authorizes the Secretary to make grants to States for the purpose of assisting States in carrying out organ donor awareness, public education and outreach activities and programs designed to increase the number of organ donors within a State, including living donors.

Authorizes appropriations.