| Abbreviations | Meaning |
 | FRCGP | Fellow Of The Royal College Of General Practitioners |
 | FRCOG | Fellow Of The Royal College Of Obstetricians And Gynaecologists |
 | FRCP | Fellow Of The Royal College Of Physicians |
 | FRCP(C) | Fellow Of The Royal College Of Physicians Of Canada |
 | FRCPA | Fellow Of The Royal College Of Pathologists Of Australia |
 | FRCPATH | Fellow Of The Royal College Of Pathologists |
 | FRCPE | Fellow Of The Royal College Of Physicians Of Edinburgh |
 | FRCPI | Fellow Of The Royal College Of Physicians Of Ireland |
 | FRCPSYCH | Fellow Of The Royal College Of Psychiatrists |
 | FRCS | Fellow Of The Royal College Of Surgeons |
 | FRCS(C) | Fellow Of The Royal College Of Surgeons Of Canada |
 | FRCSED | Fellow Of The Royal College Of Surgeons Of Edinburgh |
 | FRCSENG | Fellow Of The Royal College Of Surgeons Of England |
 | FRCSI | Fellow Of The Royal College Of Surgeons In Ireland |
 | FRCSI | Fellow Of The Royal College Of Surgeons Of Ireland |
 | FRCVS | Fellow Of The Royal College Of Veterinary Surgeons |
 | FRES | Fellow Of The Royal Entomological Society |
 | FRMEDSOC | Fellow Of The Royal Medical Society |
 | FRMS | Fellow Of The Royal Microscopical Society |
 | FRS | Fellow Of The Royal Society; Ferredoxin-reducing Substance; First Rank Symptom; Fragment Separator; Furosemide |
 | FRSH | Fellow Of The Royal Society Of Health |
 | FSB | Formosan Society Of Biomechanics |
 | FSCAI | Fellow Of The Society For Cardiac Angiography And Interventions |
 | FSMB | Federation Of State Medical Boards |
 | FSR | Fellow Of The Society Of Radiographers |
 | FWA | Family Welfare Association |
 | FZS | Fellow Of The Zoological Society |
 | GHA | Generalized Harmonic Analysis; Glucoheptanoic Acid; Group Health Association |
 | GHAA | Group Health Association Of America |
 | GNSWA | Genetic Nurses And Social Worker's Association |
 | GPA | Group Practice Association |
 | GSA | Gerontological Society Of America |
 | GSOA | Gerontological Society Of America |
 | GWTG | Get With The Guidelines [American Heart Association] |
 | HB | Health Board |
 | HDA | Heteroduplex Analysis; Huntington Disease Association; Hydroxydopamine |
 | HEALSB | Health Standards Board |
 | HEBSWEB | Health Education Board For Scotland's Website |
 | HEMA | Health Data Manager Application; Health Education Media Association; 2-hydroxyethyl Methacrylate |
 | HESCA | Health Sciences Communications Association |
 | HFMA | Healthcare Financial Management Association |
 | HHSSA | Home Health Services And Staffing Association |
 | HIA | Hearing Industries Association; Heat Infusion Agar; Hemagglutination Inhibition Antibody Or Assay |
 | HIAA | Health Insurance Association Of America |
 | HIDA | Health Industry Distributors Association |
 | HIDA | Health Industry Distributors Association; Hepato-iminodiacetic Acid (lidofenin) [nuclear Medicine Scan] |
 | HIMA | Health Industry Manufacturers Association |
 | HIMSS | Healthcare Information Management And Support System; Healthcare Information Management Systems Society |
 | HIPSOC | Hip Society (also: AAOS Related Organizations) |
 | HISB | Health Insurance Standards Board |