Medical Abbreviations

# Bone Fracture  
& And  
(AC) Abdominal Circumference  
(CPAP) Continuous Positive Airway Pressure  
(CRL) Crown-Rump Length  
(HC) Head Circumference  
(IMRS) Integrated Medical and Rehabilitation Services  
+ Present or Noted  
++ Present Significantly  
+++ Present in Excess  
+/- Uncertain/equivocal  
+ssRNA Positive Single-Stranded Ribonucleic Acid  
+ve Positive  
0 Not Present OR No abnormality  
10/52 ten weeks  
10L 10( hilar nodes’ station) Left (side)  
10R 10( hilar nodes’ station) Right (side)  
11L 11( hilar vessel nodes’ station) Left (side)  
11R 11( hilar vessel nodes’ station) Right (side)  
14C Carbon-14  
15/60 fifteen minutes  
1L 1(supraclavicular nodes’ station number) Left ( side)  
1R 1(supraclavicular nodes’ station number) Right (side)  
23vPPV 23 valent pneumococcal polysaccharide vaccine  
2L 2 (Upper Paratracheal nodes’ station) Left (side)  
2R 2 (Upper Paratracheal nodes’ station) Right(side)  
2VHPV Bivalent HPV Vaccine  
3 OK or Satisfactory  
3/24 three hours  
30/40 thirty weeks pregnant  
3A 3(Prevascular and Prevertabral nodes’ station) Anterior (to the vessels)  
3B 3(Prevascular and Prevertabral nodes’ station) behind (the oesophagus)  
3D_US Three Dimensional Ultrasonography  
3P 3 (nodes’ station number) prevertebral  
3P Public-private partnership  
3TC Lamivudine  
4/12 four months  
4L 4 (Lower Paratracheal nodes’ station) Left (side)  
4R 4(Lower Paratracheal nodes’ station) Right (side)  
5 HIAA 5-hydroxyindole acetic acid  
5/7 five days  
6 MMP Matrix metalloproteinases  
6MWT Six Minute Walk Test  
6TGN 6-thioguanine nucleotide  
7vPCV seven valent pneumococcal conjugate vaccine  
= Equivalent to  
@ At  
A Artery  
A Atrial  
ā ante (before)  
A Aedes
A Argon
A Ancyclostoma
A Ascaris
A Accelerations
A Anal
A&B Apnea and Bradycardia
A&I Allergy and Immunology
A&O Alert and Oriented
A&O Alert and Orientated
A&O Aware and Oriented
A&O or A/O aware and oriented or alert and oriented
A&O x4 Alert & Oriented, Times 4 (to person, place, time, and circumstances)
A&Ox3 alert and oriented, times 3 (to person, place, and time)
A-M Artery-to-Muscle
A-T Ataxia-telangiectasia
A.A Amino Acids
a.a. of each (from Latin ana ana)
a.c. before a meal (Latin ante cibum)
a.d. right ear (Latin auris dexter)
a.p. before a meal (Latin ante prandium
A/N Anti Natal
A1AT alpha-1-antitrypsin
A2 Angiotensin 2
A2 aortic second sound