Medical Branch Alphabet -R
| S. No | Abbreviation | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| R001 | RA | Rheumatoid Arthritis | Autoimmune disease affecting joints | Rheumatology clinic |
| R002 | RAA | Renin-Angiotensin-Aldosterone | Hormone system regulating blood pressure | Cardiology lab |
| R003 | RAB | Rabies Antibody | Antibody indicating rabies immunity | Immunology lab |
| R004 | RAC | Radiology Accreditation Council | Body accrediting radiology facilities | Hospital/radiology |
| R005 | RAD | Radiation Absorbed Dose | Measurement of radiation exposure | Radiology department |
| R006 | RAE | Right Atrial Enlargement | Enlargement of the right atrium of the heart | Cardiology test |
| R007 | RAF | Renal Artery Flow | Blood flow in kidney arteries | Radiology/ultrasound |
| R008 | RAG | Random Access Glucose | Blood sugar measured without fasting | Lab/diabetes clinic |
| R009 | RAH | Right Anterior Hip | Anatomical reference in orthopedics | Orthopedic surgery |
| R010 | RAI | Radioactive Iodine | Used for thyroid diagnosis or treatment | Nuclear medicine |
| R011 | RAJ | Rheumatology Annual Journal | Publication on arthritis research | Academic reference |
| R012 | RAL | Rectal Anal Lesion | Medical condition affecting rectum/anus | Proctology clinic |
| R013 | RAM | Renal Artery Measurement | Measuring kidney artery diameter | Radiology lab |
| R014 | RAN | Respiratory Alkalosis Network | Collaborative network studying alkalosis | Academic hospital |
| R015 | RAO | Right Atrial Obstruction | Blockage in the right atrium | Cardiology imaging |
| R016 | RAP | Right Atrial Pressure | Pressure in right atrium of heart | Cardiology monitoring |
| R017 | RAQ | Rheumatology Assessment Questionnaire | Survey for arthritis evaluation | Clinic/rehabilitation |
| R018 | RAR | Renal Artery Resistance | Resistance in kidney arteries | Radiology/diagnostics |
| R019 | RAS | Renin-Angiotensin System | Hormonal system regulating BP & fluid | Cardiology/endocrinology |
| R020 | RAT | Rapid Antigen Test | Quick test for infections | Lab/clinic |
| R021 | RAU | Right Atrial Ultrasound | Ultrasound of right atrium | Cardiology imaging |
| R022 | RAV | Renal Artery Velocity | Blood flow speed in kidney artery | Radiology/doppler |
| R023 | RB | Red Blood | Referring to red blood cells | Lab/hematology |
| R024 | RBA | Routine Blood Analysis | Standard blood tests | Lab/clinic |
| R025 | RBB | Right Bundle Branch | Part of heart’s electrical conduction | Cardiology ECG |
| R026 | RBC | Red Blood Cell | Cells carrying oxygen in blood | Lab/hematology |
| R027 | RBD | Respiratory Bronchiolitis Disease | Lung disease affecting bronchioles | Pulmonology clinic |
| R028 | RBE | Relative Biological Effectiveness | Comparison of radiation types | Radiology/nuclear medicine |
| R029 | RBF | Renal Blood Flow | Blood flow through kidneys | Nephrology imaging |
| R030 | RBG | Random Blood Glucose | Blood sugar measured at any time | Lab/diabetes clinic |
| R031 | RBH | Right Bronchial Hierarchy | Anatomical reference in lungs | Pulmonology |
| R032 | RBI | Risk-Based Inspection | Inspection method in healthcare | Hospital compliance |
| R033 | RBJ | Radiology Bulletin Journal | Publication on radiology research | Academic reference |
| R034 | RBL | Radiotherapy Beam Line | Equipment used in radiotherapy | Oncology department |
| R035 | RBM | Red Bone Marrow | Tissue producing blood cells | Hematology lab |
| R036 | RBN | Right Bronchial Node | Lymph node near right bronchus | Pulmonology surgery |
| R037 | RBO | Respiratory Bronchioles Obstruction | Blockage in small airways | Pulmonology diagnostics |
| R038 | RBP | Resting Blood Pressure | Blood pressure at rest | Clinic/cardiology |
| R039 | RBQ | Radiology Booking Queue | System for scheduling radiology exams | Hospital radiology |
| R040 | RBR | Rapid Breathing Rate | Increased respiratory rate | Emergency monitoring |
| R041 | RBS | Random Blood Sugar | Non-fasting blood sugar measurement | Lab/diabetes clinic |
| R042 | RBT | Reverse Blood Typing | Blood type confirmation method | Lab/transfusion |
| R043 | RBU | Right Bronchial Ultrasound | Ultrasound of right bronchus | Pulmonology imaging |
| R044 | RBV | Red Blood Volume | Volume of red blood cells in circulation | Lab/hematology |
| R045 | RC | Respiratory Care | Management of breathing disorders | Pulmonology department |
| R046 | RCA | Right Coronary Artery | Coronary artery supplying heart | Cardiology imaging |
| R047 | RCB | Radiology Case Book | Collection of radiology cases | Academic reference |
| R048 | RCC | Renal Cell Carcinoma | Type of kidney cancer | Oncology clinic |
| R049 | RCD | Recurrent Cystic Disease | Repeating cystic formation in organs | Nephrology/pulmonology |
| R050 | RCE | Right Cerebral Embolus | Clot in right cerebral artery | Neurology imaging |
| R051 | RCF | Red Cell Folate | Folate level in red blood cells | Lab/hematology |
| R052 | RCG | Respiratory Care Guidelines | Protocols for managing respiratory conditions | Pulmonology clinic |
| R053 | RCH | Regional Children’s Hospital | Pediatric hospital | Hospital/pediatrics |
| R054 | RCI | Radiology Clinical Investigation | Study conducted in radiology | Hospital/research |
| R055 | RCJ | Rheumatology Case Journal | Publication of arthritis cases | Academic reference |
| R056 | RCL | Right Coronary Ligament | Anatomical structure in heart | Cardiology surgery |
| R057 | RCM | Respiratory Care Monitoring | Tracking patient breathing status | Clinic/pulmonology |
| R058 | RCN | Radiology Case Network | Network sharing radiology cases | Academic hospital |
| R059 | RCO | Respiratory Care Operation | Procedures in managing respiratory patients | Clinic/hospital |
| R060 | RCP | Right Chest Pain | Symptom evaluation | Emergency/clinic |
| R061 | RCQ | Radiology Case Questionnaire | Survey for radiology studies | Hospital/research |
| R062 | RCR | Radiology Case Report | Documentation of radiology findings | Academic journal |
| R063 | RCS | Respiratory Care Service | Department providing respiratory therapy | Hospital/pulmonology |
| R064 | RCT | Randomized Controlled Trial | Standard research method in medicine | Clinical study |
| R065 | RCU | Respiratory Care Unit | Hospital unit for respiratory patients | Pulmonology ward |
| R066 | RCV | Red Cell Volume | Volume of red blood cells | Lab/hematology |
| R067 | RD | Registered Dietitian | Certified nutrition expert | Hospital/dietary dept. |
| R068 | RDA | Recommended Dietary Allowance | Nutritional intake guideline | Clinic/dietary counseling |
| R069 | RDB | Right Diabetic Baseline | Baseline data for diabetic patient | Clinic/diabetes care |
| R070 | RDC | Regional Diagnostic Center | Facility providing medical diagnostics | Hospital/lab |
| R071 | RDD | Rapidly Destructive Disease | Disease causing quick organ damage | Clinic/hospital |
| R072 | RDE | Radiology Diagnostic Exam | Imaging for diagnostic purposes | Hospital/radiology |
| R073 | RDF | Red Cell Distribution | Variation in red blood cell sizes | Lab/hematology |
| R074 | RDG | Radiology Department Guidelines | Protocols in radiology department | Hospital/radiology |
| R075 | RDH | Registered Dental Hygienist | Certified dental cleaning professional | Clinic/dentistry |
| R076 | RDI | Respiratory Distress Index | Measurement of breathing difficulty | Pulmonology/ICU |
| R077 | RDJ | Radiology Diagnostic Journal | Publication on imaging research | Academic reference |
| R078 | RDL | Respiratory Disease Lab | Lab studying respiratory diseases | Hospital/lab |
| R079 | RDM | Radiology Diagnostic Monitoring | Tracking imaging procedures and results | Hospital/radiology |
| R080 | RDN | Registered Dietitian Nutritionist | Certified dietitian | Clinic/hospital |
| R081 | RDO | Radiology Department Operation | Procedures in radiology unit | Hospital/radiology |
| R082 | RDP | Respiratory Disease Protocol | Guidelines for managing lung diseases | Clinic/hospital |
| R083 | RDQ | Radiology Diagnostic Questionnaire | Survey for imaging studies | Hospital/research |
| R084 | RDR | Radiology Diagnostic Research | Research focused on imaging diagnostics | Academic hospital |
| R085 | RDS | Respiratory Distress Syndrome | Severe breathing condition | Neonatal ICU |
| R086 | RDT | Rapid Diagnostic Test | Quick medical test for infections | Clinic/lab |
| R087 | RDU | Respiratory Disease Unit | Hospital unit for lung disease patients | Pulmonology ward |
| R088 | RDV | Red Cell Distribution Variation | Differences in red blood cell sizes | Lab/hematology |
| R089 | RE | Refraction Error | Vision problem requiring corrective lenses | Ophthalmology clinic |
| R090 | REA | Renal Endocrine Assessment | Evaluating kidney-related hormone function | Clinic/nephrology |
| R091 | REB | Radiation Exposure Badge | Device measuring staff radiation exposure | Radiology department |
| R092 | REC | Renal Electrolyte Check | Measuring kidney electrolytes | Lab/clinic |
| R093 | RED | Rapid Eye Diagnosis | Quick eye exam | Ophthalmology clinic |
| R094 | REE | Resting Energy Expenditure | Calories burned at rest | Diet/nutrition clinic |
| R095 | REF | Reference Electrolyte Formula | Standard values for electrolytes | Lab/clinic |
| R096 | REG | Renal Electrolyte Guidelines | Guidelines for kidney function testing | Clinic/hospital |
| R097 | REH | Rehabilitation | Therapy for patient recovery | Physical therapy clinic |
| R098 | REI | Respiratory Efficiency Index | Measure of lung function | Pulmonology lab |
| R099 | REJ | Radiology Evaluation Journal | Publication on imaging evaluations | Academic reference |
| R100 | REL | Renal Electrolyte Lab | Lab measuring kidney electrolytes | Hospital/lab |
| S. No | Abbreviation | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| R101 | REM | Rapid Eye Movement | Stage of sleep with dreaming | Sleep study lab |
| R102 | REN | Renal | Pertaining to kidneys | Nephrology clinic |
| R103 | REP | Repeat Examination | Repeating a test or assessment | Clinic/lab follow-up |
| R104 | REQ | Radiology Equipment Quality | Ensuring imaging equipment standards | Radiology department |
| R105 | RES | Respiratory Endurance Score | Measurement of lung stamina | Pulmonology testing |
| R106 | RET | Reticulocyte | Immature red blood cell | Lab/hematology |
| R107 | REV | Review | Evaluation of patient data or research | Clinical rounds |
| R108 | RF | Rheumatic Fever | Inflammatory disease post-strep infection | Cardiology/pediatrics |
| R109 | RFA | Radiofrequency Ablation | Procedure to remove abnormal tissue | Cardiology/oncology |
| R110 | RFB | Right Femoral Bone | Anatomical reference | Orthopedic surgery |
| R111 | RFC | Request for Consultation | Formal patient referral | Hospital/clinic |
| R112 | RFD | Residual Functional Deficit | Remaining impairment after illness | Rehab/therapy clinic |
| R113 | RFE | Refractory Epilepsy | Seizures not controlled by medication | Neurology clinic |
| R114 | RFF | Radiology Film Facility | Lab handling imaging films | Hospital/radiology |
| R115 | RFG | Renal Function Glomerular | Kidney filtration measurement | Nephrology lab |
| R116 | RFH | Rheumatology Follow-up Hospital | Facility for arthritis follow-ups | Clinic/hospital |
| R117 | RFI | Request for Information | Formal medical info request | Hospital administration |
| R118 | RFJ | Rheumatology Follow-up Journal | Publication on arthritis follow-ups | Academic reference |
| R119 | RFL | Right Femoral Ligament | Anatomical reference | Orthopedic surgery |
| R120 | RFM | Radio Frequency Monitoring | Tracking RF signals in medical equipment | Hospital engineering |
| R121 | RFN | Renal Filtration Network | Collaborative kidney research | Academic hospital |
| R122 | RFO | Radiology Facility Operation | Procedures in radiology lab | Hospital/radiology |
| R123 | RFP | Request for Procedure | Formal order for a medical test | Clinic/hospital |
| R124 | RFQ | Request for Quotation | Procurement term in hospital | Admin department |
| R125 | RFR | Renal Function Review | Assessment of kidney function | Nephrology clinic |
| R126 | RFS | Right Femoral Shaft | Anatomical bone reference | Orthopedic surgery |
| R127 | RFT | Renal Function Test | Test to measure kidney performance | Lab/clinic |
| R128 | RFU | Radiology Follow-up Unit | Unit for imaging follow-ups | Hospital/radiology |
| R129 | RFV | Renal Filtration Value | Measurement of kidney filtration | Lab/nephrology |
| R130 | RG | Respiratory Gas | Measurement of gases in lungs | Pulmonology lab |
| R131 | RGA | Radiology Grand Audit | Comprehensive review of radiology dept. | Hospital/radiology |
| R132 | RGB | Red-Green-Blue | Color coding in medical imaging | Radiology/display systems |
| R133 | RGC | Retinal Ganglion Cell | Type of nerve cell in retina | Ophthalmology lab |
| R134 | RGD | Rapid Growth Disorder | Condition with accelerated growth | Pediatric clinic |
| R135 | RGE | Reflux Gastroesophageal | Acid reflux condition | Gastroenterology clinic |
| R136 | RGF | Renal Glomerular Filtration | Filtration capacity of kidneys | Lab/nephrology |
| R137 | RGG | Radiology Guidelines Group | Team creating radiology protocols | Hospital/radiology |
| R138 | RGH | Regional General Hospital | Full-service hospital | Hospital network |
| R139 | RGI | Radiology General Imaging | Standard imaging procedures | Hospital/radiology |
| R140 | RGJ | Retinal Ganglion Journal | Publication on retina research | Academic reference |
| R141 | RGL | Radiology General Lab | Lab supporting imaging | Hospital/radiology |
| R142 | RGM | Renal Glomerular Measurement | Measuring kidney filtration units | Lab/nephrology |
| R143 | RGN | Registered General Nurse | Licensed nurse | Hospital/clinic |
| R144 | RGO | Radiology General Operation | Procedures in imaging department | Hospital/radiology |
| R145 | RGP | Retinal Ganglion Potential | Measurement of retinal activity | Ophthalmology lab |
| R146 | RGQ | Radiology General Questionnaire | Survey for radiology research | Hospital/radiology |
| R147 | RGR | Renal Glomerular Research | Research on kidney filtration | Academic hospital |
| R148 | RGS | Radiology General Service | Radiology department services | Hospital/radiology |
| R149 | RGT | Respiratory Gas Test | Measuring oxygen/CO2 exchange | Pulmonology lab |
| R150 | RGU | Renal Glomerular Unit | Functional kidney unit measurement | Lab/nephrology |
| R151 | RGV | Radiology General Variation | Differences in imaging outcomes | Hospital/radiology |
| R152 | RH | Right Hand | Anatomical reference | Orthopedic clinic |
| R153 | RHA | Rheumatic Heart Assessment | Evaluating heart damage due to rheumatism | Cardiology clinic |
| R154 | RHB | Regional Health Board | Administrative health authority | Government/public health |
| R155 | RHC | Right Heart Catheterization | Cardiac procedure measuring pressures | Cardiology lab |
| R156 | RHD | Rheumatic Heart Disease | Heart condition caused by rheumatism | Cardiology clinic |
| R157 | RHE | Respiratory Health Evaluation | Assessing lung function | Pulmonology clinic |
| R158 | RHF | Right Heart Failure | Heart condition affecting right ventricle | Cardiology unit |
| R159 | RHG | Radiology Health Guidelines | Protocols for imaging departments | Hospital/radiology |
| R160 | RHH | Regional Hospital Hub | Central hospital in a region | Hospital network |
| R161 | RHI | Respiratory Health Index | Metric of lung health | Pulmonology lab |
| R162 | RHJ | Rheumatology Health Journal | Publication on joint health | Academic reference |
| R163 | RHL | Right Hepatic Lobe | Anatomical reference in liver | Surgery/diagnostics |
| R164 | RHM | Radiology Health Monitoring | Tracking imaging equipment and results | Hospital/radiology |
| R165 | RHN | Registered Health Nurse | Licensed nurse in clinical practice | Hospital/clinic |
| R166 | RHO | Radiology Health Operation | Operational procedures in radiology | Hospital/radiology |
| R167 | RHP | Right Hip Pain | Symptom evaluation | Orthopedic clinic |
| R168 | RHQ | Radiology Health Questionnaire | Survey for radiology patient care | Hospital/radiology |
| R169 | RHR | Resting Heart Rate | Heartbeats per minute at rest | Clinic/cardiology |
| R170 | RHS | Regional Health Service | Healthcare services provided regionally | Public hospital network |
| R171 | RHT | Right Hand Tremor | Symptom of neurological disorder | Neurology clinic |
| R172 | RHU | Radiology Health Unit | Unit overseeing imaging procedures | Hospital/radiology |
| R173 | RHV | Right Hepatic Vein | Anatomical reference in liver | Surgery/diagnostics |
| R174 | RI | Respiratory Infection | Infection affecting lungs/airways | Clinic/pulmonology |
| R175 | RIA | Radioimmunoassay | Lab test measuring hormones | Lab/diagnostics |
| R176 | RIB | Rib | Bone in thoracic cage | Orthopedic surgery |
| R177 | RIC | Respiratory Intensive Care | ICU for respiratory patients | Hospital ICU |
| R178 | RID | Reactive Infectious Disease | Infection that triggers immune response | Clinic/infectious disease |
| R179 | RIE | Radiology Imaging Equipment | Machines used for diagnostic imaging | Hospital/radiology |
| R180 | RIF | Renal Insufficiency Function | Kidney performance evaluation | Nephrology clinic |
| R181 | RIG | Radiation Immunoglobulin | Immunology test involving radiation | Lab/immunology |
| R182 | RIH | Regional Infectious Hospital | Hospital for infectious disease patients | Hospital network |
| R183 | RII | Respiratory Infection Index | Metric for lung infection severity | Pulmonology lab |
| R184 | RIJ | Radiology Imaging Journal | Publication on imaging studies | Academic reference |
| R185 | RIL | Right Iliac Ligament | Anatomical reference | Surgery/orthopedics |
| R186 | RIM | Respiratory Infection Monitoring | Tracking lung infections | Clinic/hospital |
| R187 | RIN | Radio Immunoassay Network | Network for RIA studies | Academic hospital |
| R188 | RIO | Radiology Imaging Operation | Procedures in imaging department | Hospital/radiology |
| R189 | RIP | Rest in Peace | Post-mortem note (medical/legal) | Hospital records |
| R190 | RIQ | Radiology Imaging Questionnaire | Survey for patient imaging | Hospital/research |
| R191 | RIR | Respiratory Infection Research | Study of lung infections | Academic hospital |
| R192 | RIS | Radiology Information System | Software managing imaging data | Hospital/radiology |
| R193 | RIT | Radiation Therapy | Treatment using ionizing radiation | Oncology department |
| R194 | RIU | Radiology Imaging Unit | Unit managing imaging equipment | Hospital/radiology |
| R195 | RIV | Right Iliac Vein | Anatomical reference | Surgery/vascular |
| R196 | RJ | Reflux Junction | Anatomical or pathological site | Gastroenterology clinic |
| R197 | RJA | Right Jugular Artery | Anatomical reference | Surgery/vascular |
| R198 | RJB | Right Jugular Bulb | Anatomical reference | Radiology/ENT |
| R199 | RJC | Radiology Joint Committee | Committee overseeing imaging protocols | Hospital/radiology |
| R200 | RJD | Reflux Junction Disease | Medical condition affecting esophagus | Gastroenterology clinic |
