| Rank | Abbreviation | Meaning |
|---|
| ***** | IHCA | Indiana Health Care Association
| |
| ***** | IHCA | In the Hands of Civil Authority
| |
| ***** | IHCA | isocapnic hyperventilation of cold air
| |
| **** | IHCA | individual health care account
| |
| **** | IHCA | International Hobie Class Association
| |
| **** | IHCA | In Hands of Civil Authorities
| |
| **** | IHCA | Intuitive Healing Center Antioch
| |
| **** | IHCA | International Hospitality Council of Austin
| |
| *** | IHCA | International Hebrew Christian Alliance
| |
| *** | IHCA | isocapnic hyperventilation of dry cold air
| |
| *** | IHCA | Irish Health Care Agora
| |
| *** | IHCA | Integrative Health Care Associates
| |
| *** | IHCA | Institute for Healthy Communities Australia
| |
| ** | IHCA | Institute of HealthCare Assessment
| |
| ** | IHCA | Iowa Health Care Association
| |
| ** | IHCA | Indian History, Culture and Archaeology
| |
| ** | IHCA | Interagency Hydrology Committee of Alaska
| |
| ** | IHCA | In Hospital Clinical Assessments
| |
| * | IHCA | International Hobie Cat Association
| |
| * | IHCA | Irish Health Culture Association
| |
| * | IHCA | Irish Hospital Consultants Association
| |