Common Medical Abbreviations and Acronyms

1. OCN
   Oceanography
2. OCNA
   Orthopedic Clinics of North America
3. OCNL
   Occasional
4. OCP
   Oral Contraceptive Pill
5. OCS
   Oral Contraceptives
6. OCSL
   Occasional
7. OCT
   Optical Coherence Tomography
8. OCT
   Oxytocin Challenge Test
9. OD
   Doctor of Osteopathic Medicine
10. OD
    Once Daily
11. OD
    Oculus Dexter
12. OD
    Ornithine Decarboxylase
13. OD
    Outpatient Department
14. OD
    Overdose
15. OD
    Overdraft
16. OD
    Occupational Disease
17. OD
    eye doctor
18. OD
    Omni Die (Every Day)
19. ODC
    Ornithine Decarboxylase
20. ODC
    Ornithine Decarboxylase Constitutive

Last updated: May 2, 2025 — Total entries: 7,183