Medical Abbreviations and Acronyms

1. OSA
   Occupational Self Assessment
2. OSA
   Occupational Self-Assessment
3. OSA
   Office of Scientific Affairs
4. OSA
   Office of Students Affairs
5. OSA
   Office of Survivors Assistance
6. OSA
   Ordered Subset Analysis
7. OSA
   Ordered Subsets Analysis
8. OSA
   Out of Service Area
9. OSA
   Ovarian Sectional Area
10. OSA
    Ovine Serum Albumin
11. OSA
    Office of Student Affairs
12. OSA/H
    Obstructive Sleep Apnea/Hypopnea
13. OSAAD
    Objective Severity Assessment of Atopic Dermatitis
14. OSACH
    Ontario Safety Association for Community & Healthcare
15. OSACH
    Ontario Safety Association for Community and Healthcare
16. OSACH
    Ontario Safety Association for Community Healthcare
17. OSACS
    Orissa State Aids Control Society
18. OSAD
    Osteoadherin
19. OSAE
    Orthopaedic Special Assessment Examination
20. OSAH
    Occupational Safety and Health

Last updated: May 2, 2025 — Total entries: 207,332