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Dictionary of Medical Acronyms & Abbreviations

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  • TBNa  total body sodium
  • TBNAA  total body neutron activation analysis
  • TBO  total blood out
  • TBP  bithionol; testosterone-binding protein; thyroxine-binding protein; total body protein; total bypass; tributyl phosphate; tuberculous peritonitis
  • TBPA  thyroxine-binding prealbumin
  • TBPr  total body protein
  • Tbps  terabits [trillion bits] per second
  • TBPT  total body protein turnover
  • TBR  tumor-bearing rabbit
  • TB-RD  tuberculosis and respiratory disease
  • TBS  total body solids; total body solute; total body surface; total burn size; Townes-Brocks syndrome; tracheobronchial submucosa; tracheobronchoscopy; tribromosalicylanilide; triethanolamine-buffered saline; tris-buffered saline
  • tbs, tbsp  tablespoon
  • TBSA  total body surface area
  • TBS-G  tris-buffered saline with glycerol
  • Tb.Sp  trabecular separation
  • TBST  tris-buffered saline tween
  • TBSV  tomato bushy stunt virus
  • TBT  tolbutamide test; tracheobronchial toilet; tracheobronchial tree; transcervical balloon tuboplasty; tributyltin
  • TBTC  Tuberculosis Trials Consortium
  • TBTO  tributyltin oxide
  • TBTT  tuberculin time test
  • TBTV  Timboteua virus
  • TBV  total blood volume; trabecular bone volume
  • TBW  total body water; total body weight
  • TBX  thromboxane; total body irradiation
  • TBXA2  thromboxane A2
  • TBXAS  thromboxane A synthase
  • TBZ  tetrabenazine; thiabendazole
  • TC  talocalcaneal; tandem colonoscopy; target cell; taurocholate; temperature compensation; teratocarcinoma; terminal cancer; tertiary cleavage; testicular cancer; tetanic contraction; tetracycline; theca cell; therapeutic community; thermal conductivity; thermocouple; thoracic cage; thoracic compression; thorax circumference; throat culture; thyrocalcitonin; time constant; tissue culture; to contain; total calcium; total capacity; total cholesterol; total colonoscopy; total correction; toxic concentration; transcobalamin; transcriptase complex; transcutaneous; transhepatic cholangiography; transmission control; transplant center; transverse colon; Treacher Collins [syndrome]; true channel; true conjugate; tuberculin contagiosum; tubocurarine; tumor cell; tumor of cerebrum; type and crossmatch
  • T&C  turn and cough; type and crossmatch
  • T4(C)  serum thyroxine measured by column chromatography
  • TC50  median toxic concentration; threshold concentration
  • Tc  correlation time; Tanimoto coefficient; technetium; tetracycline; transcobalamin
  • Tc  cytotoxic T cell, cytotoxic T lymphocyte
  • Tc  critical temperature; cytotoxic T cell, cytotoxic T lymphocyte; the generation time of a cell cycle; tricuspid closure
  • T1c  breast tumor 1.0 to 2.0 cm [TNM (tumor-node-metastasis) classification]
  • t(°C)  temperature on the Celsius scale
  • tc  transcutaneous; translational control
  • TCA  T-cell A locus; tentorium cerebelli attachment; terminal cancer; tetracyclic antidepressant; thyrocalcitonin; topological constraint algorithm; total cholic acid; total circulating albumin; total circulatory arrest; total colonic agangliosis; transcondylar axis; tricalcium aluminate; tricarboxylic acid; trichloroacetic acid; tricyclic antidepressant; thyrocalcitonin
  • TCAB  3,3´,4,4´-tetrachloroazobenzene
  • TCABG  triple coronary artery bypass graft
  • TCAD  tricyclic antidepressant
  • TCADA  Texas Council on Alcohol and Drug Abuse
  • tCAF  tonic cortical activation function
  • TCAG  triple coronary artery graft
  • TCAld  trichloroacetaldehyde
  • TCAOB  3,3´,4,4´-tetrachloroazoxybenzene
  • TCAP  trimethyl-cetyl-ammonium pentachlorophenate
  • TCAR  T-cell antigen receptor
  • TCAT  transmission computer-assisted tomography
  • TCB  tetrachlorobiphenyl; total cardiopulmonary bypass transcatheter biopsy; transabdominal chorionic biopsy; trusted computing base; tumor cell burden
  • TcB  transcutaneous bilirubin
  • TCBF  total cerebral blood flow
  • TCBS  thiosulfate-citrate-bile salts-sucrose [agar]
  • TCC  terminal complement complex; thromboplastic cell component; transcatheter closure; transitional-cell carcinoma; transmission control computer [imaging]; trauma center coordination or coordinator; trichlorocarbanilide, triclocarban
  • Tcc  triclocarban
  • TCCA, TCCAV  transitional cell cancer-associated [virus]
  • TCCD  transcranial color-coded Doppler
  • TCCDS  transitional cell carcinoma dataset
  • TCCL  T-cell chronic lymphoblastic leukemia
  • TCCS  transcranial color-coded sonography
  • TCCU&C  therapeutic care, understanding and control
  • TCD  tapetochoroidal dystrophy; T-cell depletion; thermal conductivity detector; tissue culture dose; transcranial Doppler [ultrasound or sonography]; transverse cardiac diameter; tumoricidal dose
  • TCD50  median tissue culture dose; tissue culture infectious dose
  • TCDB  turn, cough, deep breathe
  • TcdB  Clostridium difficile toxin B
  • TCDC  taurochenodeoxycholate
  • TCDD  2,3,7,8-tetrachlorodibenzo-p-dioxin; threshold contrast detail detectability
  • TCDF  2,3,7-tetrachlorodibenzofuran
  • TCE  T-cell enriched; tetrachlorodiphenyl ethane; total colon examination; trichloroethane; trichloroethylene
  • TCED50  50% tissue effective dose
  • TCES  transcutaneous cranial electrical stimulation
  • TCESOM  trichloroethylene-extracted soybean oil meal
  • TCET  transcerebral electrotherapy
  • TCF  T-cell factor; teleconsultation folder; tetanic contraction fatigue; tissue coding factor; total coronary flow; transcription factor; Treacher Collins-Franceschetti [syndrome]
  • T-CFC  T-colony forming cell
  • TCFU  tumor colony-forming unit
  • TCG  therapeutic care-general; time-compensated gain; Thromboprophylaxis Collaborative Group
  • TCGF  T-cell growth factor
  • TCH  tanned-cell hemagglutination; thiophen-2-carboxylic acid hydrazide; total circulating hemoglobin; turn, cough, hyperventilate
  • TC/HDL  total cholesterol/high density lipoproteins [ratio]
  • TChE  total cholinesterase
  • TCI  temporal continuity index; To Come In [open heart surgery program at Cleveland Clinic]; total cerebral ischemia; transient cerebral ischemia; transitory cognitive impairment; transcobalamin I
  • TCi  teracurie
  • TCID  tissue culture infectious dose; tissue culture infective dose; tissue culture inoculated dose
  • TCID50  median tissue culture infective dose; 50% tissue culture infective dose
  • TCIE  transient cerebral ischemic episode
  • TCII  transcobalamin II
  • TCIII  transcobalamin III
  • TCIMC  Trauma Center Information Management Center
  • TCIpr  temporal continuity index for providers
  • TCIpt  temporal continuity index for patients
  • TCIS  T-cell immunodeficiency syndrome; total corrected increment score; transitional carcinoma in situ
  • TCL  tachycardia cycle length; T-cell leukemia; T-cell lymphoma; thermochemiluminescence; tibial collateral ligament; total capacity of the lung; transcallosal latency; transverse carpal ligament; triazine chlorguanide
  • T-CLL  T-cell chronic lymphatic leukemia
  • TCLo  toxic concentration low
  • TCLP  toxicity characteristic leachate procedure [Environmental Protection Agency, EPA]
  • TCM  tissue culture medium; traditional Chinese medicine; transcutaneous monitor
  • T&CM  type and crossmatch
  • Tc 99m  technetium-99m
  • TCMA  transcortical motor aphasia
  • TCMI  traditional Chinese medicine informatics
  • Tc 99m MDP  technetium-99m methylene diphosphonate
  • TCMP  thematic content modification program
  • TCMS  transcranial magnetic stimulation
  • TCMV  Tacaiuma virus
  • TCMZ  trichloromethiazide
  • TCN  tetracycline; transcobalamin
  • T NM  tumor with lymph node metastases
  • TCNS  transcutaneous nerve stimulation/ stimulator
  • TCNV  terminal contingent negative variation
  • TCO  transcutaneous oximetry
  • TCO2  total carbon dioxide
  • TCoV  Turkey coronavirus
  • TCP  T-complex protein; therapeutic care- psychosocial; therapeutic class profile; therapeutic continuous penicillin; thienyl-cyclohexylpiperidine; thrombocytopenia; tibial hole coronal positioning; tissue culture treated plastic; tissue or tumor control probability [radiotherapy]; total cardiopulmonary [connection]; total circulating protein; toxin-coregulated pilus; transcutaneous pacemaker; transcutaneous pacing; transmission control protocol; tranylcypromine; tricalcium phosphate; trichlorophenol; tricresyl phosphate; tropical calcific pancreatitis; tumor control probability
  • TCPA  tetrachlorophthalic anhydride
  • tcPCO2, tcpCO2  transcutaneous partial pressure of carbon dioxide
  • TCPD50  50% tissue culture protective dose
  • TCP/IP  transmission control protocol/Internet protocol
  • TCPL  tricalcium-phosphate-lysine
  • tcPO2, tcpO2  transcutaneous partial pressure of oxygen
  • tcPO2, tcPO2  transcutaneous oxygen pressure
  • 2,4,5-TCPPA  2-(2,4,5-trichlorophenoxy)-propionic acid
  • TCPS  total cavopulmonary shunt
  • TCR  T-cell reactivity; T-cell receptor; T-cell rosette; thalamocortical relay; total cytoplasmic ribosome; transcriptional control center; transcription-coupled [deoxyribonucleic acid, DNA] repair; trauma center record; true count rate; turn, cough, and rebreathe
  • TcR  T-cell receptor
  • TCRA  T-cell receptor alpha
  • TCRB  T-cell receptor beta
  • TCRD  T-cell receptor delta
  • TCRG  T-cell receptor gamma
  • tcRNA  translational control ribonucleic acid
  • TCRP  total cellular receptor pool
  • TCRV  Tacaribe virus; tissue culture rinderpest vaccine
  • TCRZ  T-cell receptor Z
  • TCS  T-cell supernatant; temporal control structure; tethered cord syndrome; total coronary score; transcranial [magnetic] stimulation; Treacher Collins syndrome
  • TCSA  tetrachlorosalicylanilide
  • TCSEC  trusted computer system evaluation criteria
  • TCSF  T-colony-stimulating factor
  • TcsL  Clostridium sordelli lethal toxin
  • TCSPC  time-correlated single photon count
  • TCT  thrombin clotting time; thyrocalcitonin; trachial cytotoxin; transcardial catheter therapy; transmission computed tomography
  • Tct  tincture
  • tcTOFA  time constrained time-of-flight absorbance
  • TCU  timing control unit; trauma care unit; treatment control unit
  • TCV  thoracic cage volume; three concept view
  • TCW  time coincidence window
  • TD  tabes dorsalis; tardive dyskinesia; T-cell dependent [antigen]; temporal embedding dimension; temporary disability; terminal device; tetanus and diphtheria [toxoid]; tetrodotoxin; thanatophoric dwarfism; thanatophoric dysplasia; therapy discontinued; thermal dilution; thoracic duct; three times per day; threshold of detectability; threshold of discomfort; threshold dose; thymus-dependent; time delay; time dictionary; timed disintegration; tocopherol deficiency; to deliver; tone decay; torsion dystonia; total disability; total discrimination; totally disabled; total dose; Tourette disorder; toxic dose; topic-specific document; tracheal diameter; transdermal; transverse diameter; traveler's diarrhea; treatment discontinued; tumor dose; typhoid dysentery
  • T-D  T-cell dependent [antigen]
  • T/D  treatment discontinued
  • TD  the time required to double the number of cells in a given population; thermal death time
  • TD01  toxic dose, 1% response
  • T2D  type 2 diabetes
  • T4(D)  serum thyroxine measured by displacement analysis
  • TD50  median toxic dose
  • TD99  toxic dose, 99% response
  • Td  doubling time; tetanus-diphtheria toxoid
  • T1d  inflammatory breast carcinoma [TNM (tumor-node-metastasis) classification]
  • TDA  thyroid-stimulating hormone-displacing antibody
  • TDADF  transform domain adaptive filter
  • TDAF  transform domain adaptive filter
  • TDAP  thoracodorsal artery perforator flap
  • TDB  terminologic database; Toxicology Data Bank
  • Tdb  dry-bulb temperature
  • TDC  taurodeoxycholic acid; thermal dilution catheter; time-density curve [computed tomography]; total dietary calories
  • T&DC  transmural and diagnostic center
  • Td-CIA  T-cell-derived colony-inhibiting activity
  • TDCO  thermodilution cardiac output [measurement]
  • TDD  telecommunication device for the deaf; tetradecadiene; thoracic duct drainage; total digitalizing dose; toxic doses of drugs; transverse digital deficiency
  • TDE  tetrachlorodiphenylethane; total digestible energy; triethylene glycol diglycidyl
  • TDF  tenofovir; testis-determining factor; thoracic duct fistula; thoracic duct flow; thoracodorsal flap; time-dose fractionation; tissue-damaging factor; tumor dose fractionation
  • TdF  thymidine deoxyribose
  • TDFA  testis-determining factor, autosomal
  • TDFX  testis-determining factor X
  • TDGF  teratocarcinoma-derived growth factor
  • TDH  high toxic dose; thermostable direct hemolysin; thoracic disc herniation; threonine dehydrogenase
  • T/DHT  testosterone/dihydrotestosterone ratio
  • TDI  temperature difference integration; three-dimensional interlocking [hip]; time-delay integration; tissue Doppler imaging; tolerable daily intake; toluene 2,4-diisocyanate; total dose infusion; total dose insulin
  • TDL  tegmental dorsolateral [nucleus]; template definition language; thoracic duct lymph; thymus-dependent lymphocyte; toxic dose level
  • TDLU  terminal ductal lobular unit
  • TDM  therapeutic drug monitoring
  • TD-MCT  time-domain microwave computed tomography
  • TDMS  Trex digital mammography system
  • TDMV  Tindholmur virus
  • TDN  Therapeutics Development Network; total digestible nutrients
  • tDNA  transfer deoxyribonucleic acid
  • TDNN  time-delay neural network
  • TDO  tricho-dento-osseous [syndrome]; tryptophan 2,3-dioxygenase
  • TDP  thermal death point; thoracic duct pressure; thymidine diphosphate; total degradation products
  • TdP  torsades de pointes
  • TDR  Tropical Disease Research [WHO]
  • TDRA  theory of dual radiation action
  • TDS  temperature, depth, salinity; thiamine disulfide; total dissolved solids; transduodenal sphincteroplasty
  • TDSD  transient digestive system disorder
  • TDSNV  Trager duck spleen necrosis virus
  • TDT  terminal deoxynucleotidyltransferase; thermal death time; tone decay test; tumor doubling time
  • TdT  terminal deoxynucleotidyl transferase
  • TdTase  terminal deoxynucleotide transferase
  • TDTH  delayed type hypersensitivity T lymphocyte
  • TDYV  Tamdy virus
  • TDZ  thymus-dependent zone
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