Medical Abbreviations and Acronyms

1. NNBT
   Nelson Baker tube
2. NNICU
   Neonatal Intensive Care Unit
3. NSVD
   Normal Spontaneous Vaginal Delivery
4. O/E
   On Examination
5. O/E
   (findings) on examination
6. O/E
   upon examination:
7. ob-gyne
   Obstetrics and Gynecology
8. ODaPA
   Organization of Department and Program Advisors
9. OHTN
   Ocular Hypertension
10. Ophthmlgy
    Ophthamology
11. Orgnal
    Organizational
12. Outrch
    Outreach
13. P-Y
    Pack-Years
14. PAPP-A
    pregnancy-associated plasma protein-A
15. PAPP-A
    Pregnancy Associated Plasma Protein
16. PAPP-A
    pregnancy-associated plasma protein A
17. PARA I
    indicating a woman with one child (partus = birth
18. PARA I
    indicating a woman with one child
19. PARA II
    indicating a woman with two children (partus = birth
20. PARA II
    indicating a woman with two children

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