BXO - BZP
| B | bacillus |
| B | bands |
| B | bilatetal |
| B | black |
| B | bolus |
| B | both |
| B | brother |
| B | buccal |
| B- | blood type B negative |
| B Bx | breast biopsy |
| B cell | B lymphocyte |
| B x B | back-to-back |
| B&A | brisk and active |
| B&C | bed and chair |
| B&C | biopsy and curettage |
| B&C | board and care |
| B&E | brisk and equal |
| B&O | belladonna&opium |
| B. cat | Branhamella catarrhalis |
| B. frag | Bacillus fragilis |
| b/4 | before |
| B/C | because |
| B/T | between |
| B+ | blood type B positive |
| B1 | thiamine |
| B12 | cyanocobalamin |
| B19 | parvovirus B19 |
| B2 | riboflavin |
| B3 | Nicotinic acid |
| B5 | pantothenic acid |
| B52 | Haldol 5mg and ativan 2mg |
| B6 | pyridoxine HCL |
| B7 | biotin |
| B8 | Adenosine 5'-monophosphate |
| B9 | benign |
| BA | backache |
| BA | benzyl alcohol |
| BA | bile acid |
| BA | biliary atresia |
| BA | blood agar |
| Ba | barium |
| BAA | beta-adrenergic agonist |
| BAAM | Beck airway airflow monitor |
| Bab | Babinski |
| BAC | Blood alcohol content |
| BAC | Blood alcohol concentration |
| BAC | Bacterial Artificial Chromosome |
| BACCA | basal cell cancer |
| BACE | beta-site APP-cleaving enzyme |
| BACI | bovine anti-cryptosporidium |
| BACM | blocking agent corticosteroid myopathy |
| BACON | bleomycin, adriamycin, CCNU, oncovin and nitrogen mustard |
| BACOP | bleomycin, adriamycin, cyclophosphamide,oncovin , and prednisone |
| BACs | bacterial artificial chromosomes |
| BACT | bacteria |
| BADL | basic activities of daily living |
| BADLS | Bristol Activities of Daily Living ScaleSimilar:Cleveland Scale of Activities of Daily Living (CSADL) |
| BaE | barium enema |
| BAE | bronchial artery embolization |
| BAEDP | balloon aortic end diastolic pressure |
| BAERs | brain stem auditory evoked responses |
| BAG | buccoaxiogingival |
| BAHA | bone-anchored hearing aids |
| BAI | blunt abdominal injury |
| BAI | breath-actuated inhalers |
| BAIQ | below average intelligence quotient |
| BAK cage | Bagby and Kuslich (BAK) cage (implanted - stabilize spine) |
| BAL | balance |
| BAL | blood-alcohol level |
| BALB | binaural alternate loudness balance |
| BALF | bronchoalveolar lavage fluid |
| B-ALL | B-cell acute lymphoblastic leukemia |
| BALP | baseline bone alkaline phosphatase |
| BALT | bronchus-associated lymphoid tissue |
| BAM | bony acetabular morphology |
| BaM | barium meal |
| BAMS | bioaerosol mass spectrometry |
| BAN | Body Area Network |
| BAN | British Approved Name |
| BAND | band neutrophil |
| BANS | back, arm, neck, and scalp |
| BAO | basal acid output |
| BAoV | bicuspid aortic valve |
| BAP | blood agar plate |
| BAPS | balance activation proprioceptive system |
| BaPWV | brachial-ankle pulse wave velocity |
| BAR | biofragmentable anastomotic ring |
| Barb | barbiturate |
| BARN | bilateral acute retinal necrosis |
| BAS | balloon atrial septostomy |
| BAS | Barnes Akathisia Scale |
| BAS | behavioral activation system |
| BASC | Behavior Assessment System for Children |
| BASIS | Basic Achievement Skills Individual Screener |
| BASMI | Bath Ankylosing Spondylitis Metrology Index |
| BAT | Behavioral Avoidance Test |
| BAT | Best available therapy |
| BAT | blunt abdominal trauma |
| BATF | Bureau of Alcohol, Tobacco and Firearms |
| BAU | bioequivalent allergy units |
| BAV | bicuspid aortic valve |
| BAVP | balloon aortic valvuloplasty |
| BAW | bronchoalveolar washing |
| BB | baby boy |
| BB | backboard |
| BB | back to back |
| BB | bad breath |
| BB | bed bath |
| BB to MM | belly button to medial malleolus (Apparent Length) |
| BBA | born before arrival |
| BBAS | blade and balloon atrial septostomy |
| BBB | blood-brain barrier |
| BBBB | bilateral bundle branch block |
| BBC | bilateral breast cancer |
| BBCS | bumps, bruises, cuts and scrapes |
| BBD | baby born dead |
| BBD | before bronchodilator |
| BBD | benign breast disease |
| BBE | biofield breast examination |
| BBFA | both bones forearm |
| BBFF | both bone forearm fracture |
| BBFP | blood and body fluid precautions |
| BBI | Bowman Birk inhibitor |
| BBIC | Bowman Birk inhibitor concentrate |
| BBL | bottle blood loss |
| BBP | blood-borne pathogen |
| BBP | butyl benzyl phthalate |
| BBR | bibasilar rales |
| BBS | Bardet-Biedl syndrome |
| BBSE | bilateral breath sounds equal |
| BBSI | Brigance Basic Skills Inventory |
| BBT | basal body temperature |
| BC | back care |
| BC | basket catheter |
| BC | battered child |
| BC | bed and chair |
| BC/BS | Blue Cross/Blue Shield |
| BCA | balloon catheter angioplasty |
| BCA | basal cell atypia |
| BCa | breast cancer |
| BCAA | branched-chain amino acids |
| BCB | Brilliant cresyl blue (stain) |
| BCBR | bilateral carotid body resection |
| BCC | basal cell carcinoma |
| BCC | birth control clinic |
| BCCa | basal cell carcinoma |
| BCD | basal cell dysplasia |
| BCDCSW | Board Certified Diplomate in Clinical SocialWork |
| BCDH | bilateral congenital dislocated hip |
| BCE | basal cell epithelioma |
| BCEDP | breast cancer early detection program |
| BCETS | Board Certified Expert in Traumatic Stress |
| BCF | basic conditioning factor |
| BCG | bacille Calmette-Gu'erin vaccine |
| BCH | benign cephalic histiocytosis |
| BCHA | bone-conduction hearing aid |
| BChE | butyrylcholinesterase (enzyme) |
| BCI | blunt carotid injury |
| BCIE | bullous congenital ichthyosiform erythroderma (Epidermolytic Hyperkeratosis) |
| BCIR | Barnett continent intestinal reservoir |
| BCL | basic cycle length |
| B-CLL | B-cell chronic lymphocytic leukemia |
| BCLP | bilateral cleft lip and palate |
| BCLS | basic cardiac life support |
| BCM | below costal margin |
| BCM | birth control medication |
| BCM | birth control method |
| BCMA | bar-code medication administration |
| BCME | bis (chloromethyl) ether |
| BCNP | Board Certified Nuclear Pharmacist |
| BCNU | BCNU is another name for Carmustine |
| BCNU | Bacteria-controlled nursing units |
| BCOC | bowel care of choice |
| BCP | biochemical profile |
| BCQ | breast central quadrantectomy |
| BCR | bicaudate ratio |
| BCRE | black cohosh root extract |
| BCRS | Brief Cognitive Rate Scale |
| BCRT | breast-conservation followed by radiationtherapy |
| BCS | battered child syndrome |
| BCS | breast-conserving surgery |
| BCSF | bone cell stimulating factor |
| BCSS | bone cell stimulating substance |
| BCT | Bag Carrying Test |
| BCT | breast-conserving therapy |
| BCTP | bicomponent triton tri-n-butyl phosphate |
| BCU | Burn care unit |
| BCUG | bilateral cystourethrogram |
| BCVA | best corrected visual acuity |
| BCVI | blunt cerebrovascular injury |
| BD | band neutrophil |
| BD | base deficit |
| BD | behavior disorder |
| BD | bile duct |
| bd | twice daily |
| BDAS | balloon dilation atrial septostomy |
| BDC | burn-dressing change |
| BDD | body dysmorphic disorder |
| BDE | bile duct exploration |
| BDF | bilateral distal femoral |
| BDI | Beck Depression Inventory |
| BDI | bile duct incision |
| BDL | below detectable limits |
| BDOD | brain dead organ donor |
| BDR | background diabetic retinopathy |
| BDR | black dot ringworm |
| BDS | bile duct stone |
| BDV | Borna disease virus (newly classified nonsegmented negative-strand RNA virus) |
| BE | bacterial endocarditis |
| BE | barium enema |
| BE | Barrett esophagus |
| BE | base excess |
| BE | below elbow |
| BEA | below-elbow amputation |
| BEAM | brain electrical activity mapping |
| BEAR | Bourn electronic adult respirator |
| BEC | bacterial endocarditis |
| BECs | bronchial epithelial cells |
| BECT | barium enema computed tomography |
| BED | binge-eating disorder |
| BED | biochemical evidence of disease |
| BED | biological effective dose |
| BEE | Basal energy expenditure |
| BEF | bronchoesophageal fistula |
| BEGA | best estimate of gestational age |
| BEH | behavior |
| BEI | bioelectric impedance |
| BEL | blood ethanol level |
| BEP | benign essential blepharospasm |
| BEST | bio-electrical stimulation therapy |
| BET | bacterial endotoxins test |
| BEV | billion electron volts |
| BF | biofeedback |
| BF | black female |
| BF | bone fragment |
| BF | breakfast fed |
| BFA | baby for adoption |
| BFA | basilic forearm |
| BFC | benign febrile convulsion |
| BFEC | benign focal epilepsy of childhood |
| bFGF | basic fibroblast growth factor |
| BFI | Brief Fatigue Inventory |
| BFL | breast firm and lactating |
| B-FLY | butterfly |
| BFM | body fat mass |
| BFM | black married female |
| BFNC | benign familial neonatal convulsions |
| BFP | biologic false positive |
| BFR | Backward Functional Reach (test) |
| BFR | blood filtration rate |
| BFR | blood flow rate |
| BFS | breast-feeds |
| BFT | bentonite flocculation test |
| BFT | biofeedback training |
| BFUe | erythroid burst-forming unit |
| BG | baby girl |
| BG | basal ganglia |
| BG | blood glucose |
| BG | bone graft |
| B-G | Bender-Gestalt (test) |
| BGC | basal-ganglion calcification |
| BGCT | benign glandular cell tumor |
| BGDC | Bartholin gland duct cyst |
| BGDR | background diabetic retinopathy |
| BGL | blood glucose level |
| BGM | blood glucose monitoring |
| bGS | biopsy Gleason score |
| BGT | Bender-Gestalt test |
| BGTT | borderline glucose tolerance test |
| BH | bowel habits |
| BHA | butylated hydroxyanisole (preservative) |
| BHC | benzene hexachloride |
| BHCG | beta human chorionic gonadotropin |
| BHGI | The Breast Health Global Initiative |
| BHI | biosynthetic human insulin |
| BHL | bilateral hilar lymphadenopathy |
| BHMCO | behavioral health managed care organization |
| BHN | bridging hepatic necrosis |
| BHP | boarding home placement |
| BHR | Birmingham hip resurfacing |
| BHS | Beck Hopelessness Scale |
| BHT | borderline hypertensive |
| BHT | breath hydrogen test |
| BHWU | Bair Hugger warming unit |
| BI | Barthel Index |
| BI | base in |
| BI | bleeding index |
| BI | bowel impaction |
| Bi | bismuth |
| BIA | bioelectrical impedance analysis |
| BIB | brought in by |
| BIBA | brought in by ambulance |
| BIC | brain injury center |
| BICAP | bipolar electrocoagulation therapy |
| BICARB | bicarbonate |
| BICROS | bilateral contralateral routing of signals |
| BICU | burn intensive care unit |
| BID | brought in dead |
| BID | twice daily |
| BIDS | bedtime insulin, daytime sulfonylurea |
| BIF | bifocal |
| BIG | botulism immune globulin |
| BIGEM | bigeminal |
| BIG-IV | botulism immune globulin intravenous (neutralizes botulinum toxin) |
| BIH | benign intracranial hypertension |
| BIL | bilateral |
| BIL | brother-in-law |
| BIL MRY | bilateral myringotomy |
| BILAT SLC | bilateral short leg case |
| BILAT SXO | bilateral salpingo-oophorectomy |
| BILI | bilirubin |
| BILI-C | conjugated bilirubin |
| BIMA | bilateral internal mammary arteries |
| BIND | Biological Investigational New Drug |
| BIO | binocular indirect ophthalmoscopy |
| BIOF | biofeedback |
| BIP | bipolar affective disorder |
| BIPA | Benefits Improvement and Protection Act |
| BiPAP | bilevel (biphasic) positive airway pressure |
| BiPD | biparietal diameter |
| BIPP | bismuth iodoform paraffin paste |
| BIR | back internal rotation |
| BI-RADS | Breast Imaging Reporting and Data System |
| BIRB | Biomedical Institutional Review Board |
| BIS | behavioral inhibition system |
| BI-SLT | bilateral, sequential single lungtransplantation |
| BIT | behavioral inattention test |
| BITA | bilateral internal thoracic artery |
| BIV | biventricular pacing |
| BIVAD | bilateral ventricular assist device |
| BIW | twice a week |
| BJ | Bence Jones |
| BJ | biceps jerk |
| BJ | bone and joint |
| BJE | bone and joint examination |
| BJI | bone and joint infection |
| BJLO | Benton Judgment Line Orientation |
| BJM | bones, joints, and muscles |
| BJOA | basal joint osteoarthritis |
| BJP | Bence Jones protein |
| BJR | Bezold-Jarisch reflex |
| BK | below knee |
| BK | bradykinin |
| BKA | below-knee-amputation |
| BKC | blepharokeratoconjunctivitis (Inflammation of the margins of the eyelids, cornea, and conjunctiva) |
| BKFT | breakfast |
| BKG | background |
| BKTT | below-knee to toe |
| BKV | BK polyomavirus |
| BKWC | below-knee walking cast |
| BKWP | below-knee walking plaster |
| BL | balloon laryngoplasty |
| BL | baseline |
| BL | bland |
| BL | blast cells |
| BL | blood level |
| BL | blood loss |
| bl cult | blood culture |
| BL=BS | bilateral equal breath sounds |
| BLA | Biological License Application |
| BLA | blood-loss anemia |
| BLB | Boothby-Lovelace-Bulbulian |
| BLBK | blood bank |
| BLBS | bilateral breath sounds |
| B-L-D | breakfast, lunch, and dinner |
| BLDG | bleeding |
| BLDTM | bleeding time |
| BLE | both lower extremities |
| BLEED | Bleeding (ongoing), Low Systolic Blood Pressure, Elevated Prothrombin Time, Erratic Mental Status, Disease (unstable Comorbid Disease) (mnemonic For Gastrointestinal Hemorrhage) |
| BLEO | bleomycin sulfate |
| BLESS | bath, laxative, enema, shampoo, and shower |
| BLG | bovine beta-lactoglobulin |
| BLI | blast lung injury |
| BLIC | beta-lactamase inhibitor combination |
| BLIP | beta-lactamase inhibiting protein |
| BLL | bilateral lower lobe |
| BLL | blood lead level |
| BLL | brows, lids, and lashes |
| BLLS | bilateral leg strength |
| BLM | bleomycin sulfate |
| BLN | bronchial lymph nodes |
| BLOBS | bladder obstruction |
| BLOC | brief loss of consciousness |
| BLOKS | Boston Leeds Osteoarthritis Knee Score |
| BLPB | beta-lactamase-producing bacteria |
| BLPO | beta-lactamase-producing organism |
| BLQ | below the limit of quantification |
| BLQ | both lower quadrants |
| BLS | basic life support |
| BLT | bilateral lung transplantation |
| BLV | bovine leukemia virus |
| BM | bowel movement |
| BM | black male |
| BM | bone marrow |
| BM | bacterial meningitis |
| BMA | biomedical application |
| BMAT | basic motor ability test |
| BMB | bone marrow biopsy |
| BMBF | German Ministry of Education and Research |
| BMC | bone marrow cells |
| BMC | bone marrow culture |
| BMC | bone mineral content |
| BMCS | balloon-mounted coronary stents |
| BMD | Becker muscular dystrophy |
| BMD | benchmark dose |
| BMD | bipolar manic depressive |
| BMD | bipolar mood disorder |
| BMDC | bone marrow-derived cells |
| BME | basal medium Eagle |
| BMET | basic metabolic panel |
| BMF | between meal feedings |
| BMF | black married female |
| BMG | benign monoclonal gammopathy |
| BMH | bone marrow harvest |
| BMI | body mass index |
| BMJ | bones, muscles, joints |
| BMK | birthmark |
| BML | bone marrow lesion |
| BMM | black married male |
| BMM | bone marrow metastases |
| BMMC | bone marrow mononuclear T cells |
| BMMM | bone marrow micrometastases |
| B-MODE | brightness modulation |
| BMP | basic metabolic profile |
| BMP | behavior management plan |
| BMP | bone morphogenetic protein |
| BMPC | bone marrow plasmacytosis |
| BMPs | bone-morphogenic proteins |
| BMQ | Beliefs about Medicines Questionnaire |
| BMR | basal metabolic rate |
| BMR | best motor response |
| BMRM | bilateral modified radical mastectomy |
| BMS | bare-metal stents |
| BMS | burning mouth syndrome |
| BMSC | bone marrow-derived stem cells |
| BMT | bilateral myringotomy and tubes |
| BMT | bone marrow transplant |
| BMTN | bone marrow transplant neutropenia |
| BMTT | bilateral myringotomy with tympanic tubes |
| BMTU | bone marrow transplant unit |
| BMU | basic multicellular unit |
| BMY | Bristol-Myers Squibb |
| BN | bladder neck |
| BN | bulimia nervosa |
| BNBAS | Brazelton Neonatal Behavioral Assessment |
| BNC | binasal cannula |
| BNC | bladder neck contracture |
| BNCT | boron neutron capture therapy |
| BND | bloody, near dead |
| BNE | but not exceeding |
| BNF | British National Formulary |
| B-NHL | B-cell non-Hodgkin lymphoma |
| BNI | blind nasal intubation |
| BNL | below normal limits |
| BNO | bladder neck obstruction |
| BNO | bowels not open |
| BNP | brain natriuretic peptide |
| BNPA | binasal pharyngeal airway |
| BNR | bladder neck retraction |
| BNS | benign nephrosclerosis |
| BNT | back to normal |
| BO | base out |
| BO | because of |
| BO | behavior objective |
| BO | body odor |
| BO | bowel obstruction |
| BO | bowel open |
| BOA | behavioral observation audiometry |
| BOA | born on arrival |
| BOA | born out of asepsis |
| BOB | ball-on-back |
| BOC | beats of clonus |
| BOCF | baseline observation carried forward |
| BOD | bilateral orbital decompression |
| BOD Units | Bodansky units |
| BODE | body mass index, airflow obstruction, dyspnea, andexercise capacity |
| BOE | bilateral otitis externa |
| BOH | Board of Health |
| BOH | bundle of His |
| BOLD | bleomycin, vincristine, lomustine, and dacarbazine |
| BOM | benign ovarian mass |
| BOM | bilateral otitis media |
| BOMA | bilateral otitis media, acute |
| BOME | bilateral otitis media with effusion |
| BONTA | botulinum toxin type A |
| BOO | bladder outlet obstruction |
| BOOP | bronchitis obliterans-organized pneumonia |
| BOP | bleeding on probing |
| BOR | bowels open regularly |
| BOR | bronchia-oto-renal (SYNDROME) |
| BOS | base of support |
| BOS | bronchiolitis obliterans syndrome |
| BOSS | Becker orthopedic spinal system |
| BOT | base of tongue |
| BOT | borderline ovarian tumors |
| BOU | burning on urination |
| BOUGIE | bougienage (Examination or treatment of the interior of any canal by the passage of a bougie or cannula.) |
| BOVR | Bureau of Vocational Rehabilitation |
| BOW | bag of water |
| BOW-I | bag of water-intact |
| BOW-R | bag of water-ruptured |
| BP | bathroom privileges |
| BP | bed pan |
| BP | bench press |
| BP | benzoyl peroxide |
| BP | biological parents |
| BP | bipolar |
| BP | birthplace |
| BP | blood pressure |
| BP,P,R,T, | blood pressure, pulse, respiration, andtemperature |
| BP-200 | Bourne Infant Pressure Ventilation |
| BPA | Bisphenol A (used to make plastic)Birch pollen allergy |
| BPAD | bipolar affective disorder |
| BPAR | biopsy-proven actue rejection |
| BPb | whole blood lead concentration |
| BPC | British Pharmaceutical Codex |
| BPCF | bronchopleural cutaneous fistula |
| BPD | benzoporphyrin derivative (photosensitizing agent) |
| BPd | diastolic blood pressure |
| BPE | benign enlargement of the prostate |
| BPF | Brazilian purpuric fever |
| BPG | bypass graft |
| BPH | benign prostatic hypertrophy |
| BPI | bipolar disorder, Type I |
| BPI | bactericidal/permeability increasing |
| BPIG | bacterial polysaccharide immune globulin |
| BPII | bipolar type II disorder |
| BPL | benzylpenicilloyl polylysine (Pre-Pen) |
| BPL | bone probing length |
| BPLA | blood pressure, left arm |
| BPLND | bilateal pelvic lymph node dissection |
| BPM | beats per minute |
| BPM | breaths per minute |
| BPN | bacitracin, polymyxin B, and neomycin sulfate |
| BPO | benign prostatic obstruction |
| BPO | benzoyl peroxide |
| BPOC | barcode point-of-care |
| BPP | biophysical profile |
| BPPP | bilateral pedal pulses present |
| BPPV | benign paroxysmal positional vertigo |
| BPR | beeper |
| BPR | blood per rectum |
| BPR | blood pressure recorder |
| BPRS | Brief Psychiatric Rating Scale |
| BPS | bilateral partial salpingectomy |
| BPS | blood pump speed |
| BPS | biophysical profile score |
| BPSD | behavioral and psychological symptoms ofdementia |
| BPSO | bilateral prophylactic salpingo-oophorectomy |
| BPV | benign paroxysmal vertigo |
| BPV | benign positional vertigo |
| BPW | bilateral pick-up walker (Assistive Device) |
| Bq | becquerel - (becquerel (Bq) is the unit of radioactivity) |
| BQL | below quantifiable levels |
| BR | bathroom |
| BR | bedrest |
| BR | birthing room |
| Br | bromide |
| BRA | bannanas, rice, and applesauce |
| BrAC | breath alcohol content |
| BRADY | bradycardia |
| BRANCH | branch chain amino acids |
| BRAO | branch retinal artery occlusion |
| BRAS | bilateral renal artery stenosis |
| BRAT | bananas, rice, applesauce, and toast |
| BRATT | bananas, rice, applesauce, tea, and toast |
| BRB | blood-retinal barrier |
| BRBR | bright red blood per rectum |
| BRC | bladder reconstruction |
| BrCa | breast cancer || (Breast Cancer (BRCA) Gene Test) |
| BRCM | below right costal margin |
| BRFS | biochemical relapse-free survival |
| BRJ | brachialradialis jerk (supinator reflex) |
| BRM | biological response modifiers |
| BRN | brown |
| BRO | brother |
| BROM | bromide, Bromocriptine |
| BROM | back range of motion |
| BRONK | bronchoscopy |
| BRP | bathroom privileges |
| BRS | behavior rating scale |
| BS | barium swallow |
| BS | bedside |
| BS | before sleep |
| BSA | body surface area |
| BSCC | bedside commode chair |
| BSCVA | best spectacle-corrected visual acuity |
| BSD | baby soft diet |
| BSE | breast self-examination |
| BSEC | bedside easy chair |
| BSER | brain stem evoked responses |
| BSG | brain stem gliomas |
| BSI | bloodstream infection |
| BSL | baseline |
| BSNT | breast soft and nontender |
| BSOM | bilateral serous ottis media |
| BSP | body substance precautions |
| BSPA | bowel sounds present and active |
| BSPM | body surface potential mapping |
| BSR | body stereotactic radiosurgery |
| BSS | Baltimore Sepsis Scale |
| BSS | bedside scale |
| BSSO | bilateral sagittal split osteotomy |
| BSSS | benign sporadic sleep spikes |
| BST | bedside testing |
| BSU | Bartholin, Skene, urethra (glands) |
| BT | bedtime |
| BT | behavioral therapy |
| BTA | below the ankle |
| BTB | back to bed |
| BTC | behind-the-counter |
| BTE | behind the ear |
| BTF | blenderized tube feeding |
| BTG | beta thromboglobulin |
| BTHOOM | beats the hell out of me |
| BTI | biliary tract infection |
| BTKA | bilateral total knee arthroplasty |
| BTL | bilateral tubal ligation |
| BTM | bilateral tympanic membranes |
| BTMEAL | between meals |
| BTO | bilateral tubal occlusion |
| BTP | breakthrough pain |
| BTPS | body temperature pressure saturated |
| BTR | bladder tumor recheck |
| BTT | bridge to transplant |
| BTU | behavior therapy unit |
| BTW | Back to work |
| BTW | Between |
| BU | base up |
| BU | below umbilicus |
| BUD | budesonide |
| BUE | both upper extremities |
| BUFA | baby up for adoption |
| BUN | blood urea nitrogen |
| BUO | bleeding of undetermined origin |
| BUR | back-up rate |
| BUS | bladder ultrasound |
| BUT | biopsy urease test |
| BVAD | biventricular assist device |
| BVD | bovine viral diarrhea |
| BVE | blood volume expander |
| BVF | bulboventricular foramen |
| BVH | biventricular hypertrophy |
| BVL | bilateral vas ligation |
| BVM | bag valve mask |
| BVO | branch vein occlusion |
| BVT | basilica vein transposition |
| BVZ | bevacizumab (Avastin™) |
| BW | bandwidth |
| BW | birth weight |
| BW | body weight |
| BWA | bed-wetter admission |
| BWC | bladder-wash cytology |
| BWCO | baby won't come out |
| BWCS | bagged white cell study |
| BWF | Blackwater fever (complication of malaria) |
| BWS | battered woman syndrome |
| BWs | bite-wing |
| BWT | bowel wall thickness |
| BWX | bite-wing x-ray |
| Bx | behavior |
| Bx | biopsy |
| BXM | B-cell cross match |
| BXO | balanitis xerotica obliterans |
| BZP | benzylpiperazine (stimulant, recreational drug) |