Medical Branch Alphabet – s
| S. No | Abbreviation | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| S001 | SA | Sinoatrial | Heart’s natural pacemaker | Cardiology ECG |
| S002 | SAA | Serum Amyloid A | Protein indicating inflammation | Lab/clinical test |
| S003 | SAB | Subarachnoid Bleed | Bleeding in the brain’s subarachnoid space | Neurology/CT scan |
| S004 | SAC | Surgical Airway Care | Care of airway during surgery | Operating room |
| S005 | SAD | Seasonal Affective Disorder | Depression related to seasonal changes | Psychiatry clinic |
| S006 | SAE | Serious Adverse Event | Critical negative reaction during treatment | Clinical trial report |
| S007 | SAF | Safety Assessment Form | Form assessing patient or staff safety | Hospital/clinic |
| S008 | SAG | Serum Albumin Globulin | Blood protein ratio | Lab/hematology |
| S009 | SAH | Subarachnoid Hemorrhage | Brain bleed in subarachnoid space | Neurology/emergency |
| S010 | SAI | Serum Angiotensin I | Hormone measured in blood tests | Lab/endocrinology |
| S011 | SAJ | Spine Alignment Journal | Publication on spinal health | Academic reference |
| S012 | SAL | Serum Aldolase Level | Enzyme test for muscle disease | Lab/biochemistry |
| S013 | SAM | Severe Acute Malnutrition | Extreme undernutrition | Pediatric clinic |
| S014 | SAN | Sinoatrial Node | Heart’s primary pacemaker | Cardiology ECG |
| S015 | SAO | Serum Alkaline Phosphatase | Liver/kidney/bone enzyme measurement | Lab/clinical test |
| S016 | SAP | Systolic Arterial Pressure | Blood pressure measurement | Clinic/cardiology |
| S017 | SAQ | Standard Assessment Questionnaire | Survey for medical evaluations | Clinic/research |
| S018 | SAR | Suspicious Activity Report | Reporting unusual medical events | Hospital/administration |
| S019 | SAS | Sleep Apnea Syndrome | Breathing disorder during sleep | Pulmonology/sleep lab |
| S020 | SAT | Saturation | Oxygen saturation in blood | Pulmonology/ICU |
| S021 | SAU | Surgical Assessment Unit | Unit evaluating patients pre-surgery | Hospital/surgery |
| S022 | SAV | Serum Albumin Value | Blood protein measurement | Lab/hematology |
| S023 | SB | Small Bowel | Part of the intestine | Gastroenterology surgery |
| S024 | SBA | Small Bowel Analysis | Diagnostic testing of small intestine | Lab/imaging |
| S025 | SBB | Serum Bilirubin Blood | Blood test for bilirubin | Lab/hepatology |
| S026 | SBC | Spinal Bone Compression | Vertebral compression | Orthopedic/neurology |
| S027 | SBD | Small Bowel Disease | Medical condition affecting small intestine | Gastroenterology clinic |
| S028 | SBE | Subacute Bacterial Endocarditis | Infection of heart valves | Cardiology/infectious disease |
| S029 | SBF | Serum Bile Flow | Measurement of bile secretion | Lab/hepatology |
| S030 | SBG | Serum Blood Glucose | Blood sugar measurement | Lab/diabetes clinic |
| S031 | SBH | Small Bowel Hemorrhage | Bleeding in the small intestine | Gastroenterology/emergency |
| S032 | SBI | Serum Bilirubin Index | Lab measurement for liver function | Lab/hepatology |
| S033 | SBJ | Spinal Bone Journal | Publication on spine health | Academic reference |
| S034 | SBL | Small Bowel Lesion | Pathology in small intestine | Gastroenterology imaging |
| S035 | SBM | Small Bowel Motility | Movement of the intestine | Gastroenterology/lab |
| S036 | SBN | Small Bowel Network | Collaborative network for research | Academic hospital |
| S037 | SBO | Small Bowel Obstruction | Blockage in small intestine | Gastroenterology/emergency |
| S038 | SBP | Systolic Blood Pressure | Blood pressure measurement | Clinic/cardiology |
| S039 | SBQ | Standard Blood Questionnaire | Survey for blood-related studies | Lab/clinic |
| S040 | SBR | Small Bowel Resection | Surgical removal of small intestine section | Surgery/gastroenterology |
| S041 | SBS | Small Bowel Syndrome | Condition affecting nutrient absorption | Gastroenterology clinic |
| S042 | SBT | Small Bowel Transplant | Organ transplant procedure | Surgery/transplant center |
| S043 | SBU | Small Bowel Unit | Hospital unit specializing in small intestine care | Hospital/gastroenterology |
| S044 | SBV | Small Bowel Volume | Measurement of intestinal volume | Lab/imaging |
| S045 | SC | Spinal Cord | Central nervous system structure | Neurology/orthopedic surgery |
| S046 | SCA | Sudden Cardiac Arrest | Sudden heart stoppage | Emergency cardiology |
| S047 | SCB | Sodium Chloride Balance | Blood electrolyte measurement | Lab/biochemistry |
| S048 | SCC | Squamous Cell Carcinoma | Type of skin/mucosal cancer | Oncology clinic |
| S049 | SCD | Sickle Cell Disease | Genetic blood disorder | Hematology/pediatrics |
| S050 | SCE | Subclinical Encephalopathy | Brain dysfunction not yet symptomatic | Neurology lab |
| S051 | SCF | Stem Cell Factor | Protein regulating stem cells | Lab/hematology |
| S052 | SCG | Superior Cervical Ganglion | Nerve cluster in neck | Neurology/anatomy |
| S053 | SCH | Subcutaneous Hematoma | Blood accumulation under skin | Surgery/trauma |
| S054 | SCI | Spinal Cord Injury | Trauma to spinal cord | Emergency/rehabilitation |
| S055 | SCJ | Sternoclavicular Joint | Joint between sternum & clavicle | Orthopedic surgery |
| S056 | SCL | Serum Chloride Level | Blood chloride measurement | Lab/clinical test |
| S057 | SCM | Sternocleidomastoid | Neck muscle | Surgery/physiotherapy |
| S058 | SCN | Spinal Cord Neuron | Nerve cell in spinal cord | Neurology lab |
| S059 | SCO | Sodium Concentration | Electrolyte measurement | Lab/biochemistry |
| S060 | SCP | Superior Cerebellar Peduncle | Brain structure | Neurology/anatomy |
| S061 | SCQ | Standard Clinical Questionnaire | Survey for patient assessment | Clinic/research |
| S062 | SCR | Serum Creatinine | Kidney function test | Lab/nephrology |
| S063 | SCS | Spinal Cord Stimulator | Device for pain management | Surgery/neurology |
| S064 | SCT | Stem Cell Transplant | Transplantation procedure | Hematology/oncology |
| S065 | SCU | Special Care Unit | Hospital unit for critical patients | ICU |
| S066 | SCV | Superior Caval Vein | Large vein returning blood to heart | Cardiology/anatomy |
| S067 | SD | Standard Deviation | Statistical measure | Clinical research |
| S068 | SDA | Serological Diagnostic Assay | Blood test for antibodies | Lab/virology |
| S069 | SDB | Sleep-Disordered Breathing | Disorders like sleep apnea | Pulmonology/sleep lab |
| S070 | SDC | Surgical Dressing Change | Wound care procedure | Nursing/surgery |
| S071 | SDD | Sudden Death Disease | Condition causing unexpected death | Cardiology/emergency |
| S072 | SDE | Serous Detachment of Eye | Eye disorder affecting retina | Ophthalmology clinic |
| S073 | SDF | Stem Cell Differentiation Factor | Protein guiding stem cell development | Lab/hematology |
| S074 | SDG | Sustainable Development Goals | Health-related global targets | Public health programs |
| S075 | SDH | Subdural Hematoma | Bleeding under the dura mater | Neurology/emergency |
| S076 | SDI | Sickle Cell Disease Index | Measurement for disease severity | Hematology clinic |
| S077 | SDJ | Spine Disease Journal | Publication on spinal disorders | Academic reference |
| S078 | SDL | Subdural Lesion | Pathology under dura mater | Neurology imaging |
| S079 | SDM | Surgical Decision Making | Process for choosing surgical approach | Surgery/clinical |
| S080 | SDN | Standard Diagnostic Network | Collaborative diagnostic network | Hospital/research |
| S081 | SDO | Service Delivery Organization | Hospital department providing care | Hospital administration |
| S082 | SDP | Serum Deprivation Protocol | Laboratory test protocol | Lab/clinical research |
| S083 | SDQ | Strengths and Difficulties Questionnaire | Patient/child mental health survey | Psychiatry/pediatrics |
| S084 | SDR | Somatosensory Deficit Recovery | Rehabilitation after nerve damage | Neurology/therapy |
| S085 | SDS | Sodium Dodecyl Sulfate | Chemical used in lab tests | Lab/biochemistry |
| S086 | SDT | Sleep Deprivation Test | Evaluates sleep disorders | Sleep lab/pulmonology |
| S087 | SDU | Surgical Day Unit | Hospital unit for outpatient surgery | Hospital/surgery |
| S088 | SDV | Serum Disease Value | Lab metric for specific diseases | Lab/clinical testing |
| S089 | SE | Status Epilepticus | Continuous seizure condition | Neurology/emergency |
| S090 | SEA | Superior Epigastric Artery | Anatomical reference | Surgery/anatomy |
| S091 | SEB | Staphylococcal Exfoliative Bacteria | Bacteria causing skin infection | Microbiology lab |
| S092 | SEC | Serum Electrolyte Concentration | Blood electrolyte levels | Lab/clinical test |
| S093 | SED | Spinous Epithelial Dysplasia | Tissue pathology term | Pathology lab |
| S094 | SEE | Standard Eye Examination | Routine eye check | Ophthalmology clinic |
| S095 | SEF | Somatosensory Evoked Function | Nerve function measurement | Neurology lab |
| S096 | SEG | Serum Electrolyte Group | Lab panel for electrolytes | Lab/clinical test |
| S097 | SEH | Severe Eye Hemorrhage | Significant eye bleeding | Ophthalmology/emergency |
| S098 | SEI | Socio-Economic Index | Index used in health studies | Public health research |
| S099 | SEJ | Spine Evaluation Journal | Publication on spine health | Academic reference |
| S100 | SEL | Serum Electrolyte Level | Lab measurement of electrolytes | Lab/clinical test |
| S. No | Abbreviation | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| S101 | SEM | Scanning Electron Microscope | Microscope for detailed tissue imaging | Lab/pathology |
| S102 | SEN | Sensory Nerve | Nerve transmitting sensory info | Neurology/anatomy |
| S103 | SEO | Serum Electrolyte Order | Blood test request for electrolytes | Lab/clinic |
| S104 | SEP | Septicemia | Blood infection | Emergency/infectious disease |
| S105 | SEQ | Sequence | DNA/RNA or procedure sequence | Lab/genetics |
| S106 | SER | Serum | Liquid component of blood | Lab/hematology |
| S107 | SES | Socio-Economic Status | Patient demographic info | Public health clinic |
| S108 | SET | Serum Electrolyte Test | Lab test measuring electrolytes | Lab/clinic |
| S109 | SEU | Special Endoscopy Unit | Unit for endoscopic procedures | Hospital/gastroenterology |
| S110 | SEV | Severe | Classification of disease severity | Clinic/hospital |
| S111 | SF | Sweat Factor | Measurement of sweat production | Lab/dermatology |
| S112 | SFA | Superficial Femoral Artery | Artery in thigh | Vascular surgery |
| S113 | SFB | Subfoveal Blood | Blood under retina | Ophthalmology imaging |
| S114 | SFC | Serum Free Calcium | Lab measure of calcium in blood | Lab/biochemistry |
| S115 | SFD | Serum Ferritin Determination | Measures iron storage in blood | Lab/hematology |
| S116 | SFE | Small Fiber Electromyography | Nerve function test | Neurology lab |
| S117 | SFG | Serum Fibrinogen | Protein for blood clotting | Lab/hematology |
| S118 | SFH | Small for Gestational Age | Baby below normal growth percentile | Obstetrics clinic |
| S119 | SFI | Serum Folate Index | Blood folate measurement | Lab/nutrition clinic |
| S120 | SFJ | Saphenofemoral Junction | Vein junction in leg | Vascular surgery |
| S121 | SFL | Serum Free Light Chain | Blood test for protein disorders | Lab/hematology |
| S122 | SFM | Subfoveal Macula | Anatomical retina region | Ophthalmology imaging |
| S123 | SFN | Sensory Fiber Neuropathy | Nerve disorder affecting sensation | Neurology clinic |
| S124 | SFO | Subfoveal Optical | Retina optical measurement | Ophthalmology lab |
| S125 | SFP | Serum Fibrinogen Percentage | Blood clotting test | Lab/hematology |
| S126 | SFQ | Standard Functional Questionnaire | Patient assessment survey | Clinic/research |
| S127 | SFR | Serum Ferritin | Iron storage protein in blood | Lab/hematology |
| S128 | SFS | Subfoveal Structure | Retina anatomical reference | Ophthalmology imaging |
| S129 | SFT | Skin Fold Thickness | Body fat measurement | Nutrition clinic |
| S130 | SFU | Special Foot Unit | Clinic for foot care | Hospital/orthopedics |
| S131 | SFV | Superficial Femoral Vein | Vein in thigh | Vascular surgery |
| S132 | SG | Specific Gravity | Measurement of urine concentration | Lab/urinalysis |
| S133 | SGA | Small for Gestational Age | Low birthweight baby | Obstetrics clinic |
| S134 | SGB | Streptococcal Group B | Bacteria causing infections | Microbiology lab |
| S135 | SGC | Serum Glucose Concentration | Blood sugar measurement | Lab/diabetes clinic |
| S136 | SGD | Serotonin Gradient Determination | Neurotransmitter measurement | Lab/neurology |
| S137 | SGE | Serum Glutamic Enzyme | Enzyme test in liver/muscle | Lab/biochemistry |
| S138 | SGF | Standard Growth Formula | Nutritional reference | Pediatrics/nutrition |
| S139 | SGH | Subgaleal Hematoma | Bleeding beneath scalp | Neonatal care |
| S140 | SGI | Serum Glucose Index | Lab measure of blood sugar | Lab/diabetes clinic |
| S141 | SGJ | Superior Gastric Junction | Anatomical reference in stomach | Gastroenterology surgery |
| S142 | SGL | Serum Glucose Level | Blood sugar test | Lab/diabetes clinic |
| S143 | SGM | Small Granule Myopathy | Muscle disorder | Neurology/clinical |
| S144 | SGN | Serum Globulin Normal | Blood protein reference | Lab/hematology |
| S145 | SGO | Subgaleal Operation | Procedure beneath scalp | Surgery/neurology |
| S146 | SGP | Serum Growth Peptide | Hormone measurement | Lab/endocrinology |
| S147 | SGQ | Standard Gastro Questionnaire | Patient survey for GI issues | Clinic/gastroenterology |
| S148 | SGR | Serum Growth Rate | Lab measure of hormone effect | Lab/endocrinology |
| S149 | SGS | Small Granule Syndrome | Rare blood disorder | Hematology clinic |
| S150 | SGT | Serum Glutathione Test | Antioxidant measurement | Lab/biochemistry |
| S151 | SGU | Special Gastro Unit | Unit for GI disorders | Hospital/gastroenterology |
| S152 | SGV | Subgaleal Vein | Vein beneath scalp | Surgery/neurology |
| S153 | SH | Shoulder | Anatomical reference | Orthopedic clinic |
| S154 | SHA | Spinal Headache | Headache from CSF leak | Neurology/clinic |
| S155 | SHB | Subhepatic Bleeding | Bleeding under liver | Surgery/emergency |
| S156 | SHC | Stress Hormone Cortisol | Cortisol measurement | Lab/endocrinology |
| S157 | SHD | Structural Heart Disease | Heart structural abnormality | Cardiology clinic |
| S158 | SHE | Skin Health Evaluation | Assessing skin condition | Dermatology clinic |
| S159 | SHF | Systolic Heart Failure | Heart condition with reduced pumping | Cardiology unit |
| S160 | SHG | Second Harmonic Generation | Imaging technique for tissues | Lab/pathology |
| S161 | SHI | Surgical Hand Infection | Post-operative infection | Surgery/nursing |
| S162 | SHJ | Shoulder Health Journal | Publication on shoulder care | Academic reference |
| S163 | SHL | Serum Hemoglobin Level | Blood hemoglobin measurement | Lab/hematology |
| S164 | SHM | Subhepatic Mass | Mass beneath liver | Surgery/radiology |
| S165 | SHN | Senior Health Nurse | Experienced nurse | Hospital/clinic |
| S166 | SHO | Senior House Officer | Junior doctor position | Hospital/ward |
| S167 | SHP | Small Head Phenotype | Medical description for infants | Pediatrics clinic |
| S168 | SHQ | Standard Health Questionnaire | Patient survey | Clinic/research |
| S169 | SHR | Systolic/Heart Rate | Blood pressure & pulse measure | Clinic/cardiology |
| S170 | SHS | Secondhand Smoke | Environmental health hazard | Public health clinic |
| S171 | SHT | Serum Hormone Test | Lab hormone measurement | Lab/endocrinology |
| S172 | SHU | Special Hematology Unit | Lab for blood disorders | Hospital/lab |
| S173 | SHV | Subhepatic Vein | Vein under liver | Surgery/anatomy |
| S174 | SI | Small Intestine | Part of digestive system | Gastroenterology clinic |
| S175 | SIA | Supraspinatus Impingement Assessment | Shoulder test | Orthopedic clinic |
| S176 | SIB | Small Intestine Biopsy | Tissue sample for lab | Gastroenterology lab |
| S177 | SIC | Surgical Intensive Care | ICU for surgical patients | Hospital ICU |
| S178 | SID | Sudden Infant Death | Unexplained infant death | Pediatrics/emergency |
| S179 | SIE | Serum Immunoglobulin E | Allergy blood test | Lab/allergy clinic |
| S180 | SIF | Serum Iron Fraction | Blood iron measurement | Lab/hematology |
| S181 | SIG | Special Interest Group | Medical research team | Academic hospital |
| S182 | SIH | Stress-Induced Hypertension | High BP from stress | Clinic/cardiology |
| S183 | SII | Small Intestinal Injury | Trauma or disease in small intestine | Gastroenterology/emergency |
| S184 | SIJ | Sacroiliac Joint | Joint between sacrum and pelvis | Orthopedic surgery |
| S185 | SIL | Serum Immunoglobulin Level | Blood antibody measurement | Lab/immunology |
| S186 | SIM | Standardized Intake Measurement | Patient intake documentation | Hospital/clinic |
| S187 | SIN | Subclinical Inflammation | Mild inflammation not symptomatic | Lab/clinical research |
| S188 | SIO | Small Intestine Obstruction | Blockage in small intestine | Gastroenterology/emergency |
| S189 | SIP | Serum Iron Profile | Blood iron panel | Lab/hematology |
| S190 | SIQ | Standard Intake Questionnaire | Patient intake survey | Clinic/research |
| S191 | SIR | Systemic Inflammatory Response | Body reaction to infection | ICU/emergency |
| S192 | SIS | Shoulder Impingement Syndrome | Shoulder pain condition | Orthopedic clinic |
| S193 | SIT | Skin Intradermal Test | Allergy test | Dermatology/allergy clinic |
| S194 | SIU | Special Intensive Unit | Hospital unit for critical care | ICU |
| S195 | SIV | Serum Immunoglobulin Value | Blood antibody measurement | Lab/immunology |
| S196 | SJ | Sternoclavicular Joint | Joint between sternum & clavicle | Orthopedic surgery |
| S197 | SJA | Subjunctival Hemorrhage Assessment | Eye blood vessel evaluation | Ophthalmology clinic |
| S198 | SJB | Superior Jugular Bulb | Anatomical reference | Surgery/ENT |
| S199 | SJC | Serum Joint Count | Lab marker for arthritis | Rheumatology lab |
| S200 | SJD | Sudden Joint Dislocation | Acute joint injury | Orthopedic/emergency |
