The meaning of the Acronym HACA is...

HACA is

• Human Antichimeric Antibodies

More Meanings For HACA:

• Haitian American Community Association
• Historical Armed Combat Association
• Henderson Allied Community Advocates
• Housing Authority of the City of Austin
• Human Anti-Chimeric Antibody
• Human Antichimeric Antibodies
• Homestead And Ag Credit Aid
• Homestead And Agricultural Credit Aid

HACA is also in:

• Human Genome
• Non-Profit Organizations
• Physiology
• Professional Organizations
• State and Local
• Unfiled