Abbreviation
|
Meaning
|
131I or I131 |
iodine-131 (aka radioactive iodine or radioiodine)
|
IA |
intra-arterial
intra-articular
|
IAA |
insulin autoantibody
|
IABP |
intra-aortic balloon pump
|
IAI |
intra-amniotic infection
|
IBC |
inflammatory breast cancer
|
IBD |
inflammatory bowel disease
|
IBS |
irritable bowel syndrome
|
IC |
ileocecal immunocompromised informed consent intensive care interstitial cystitis immune complex intracardiac
|
ICD |
implantable cardioverter-defibrillator intercostal drain
|
ICDS |
Integrated Child Development Services Program
|
ICD-10 |
International Classification of Diseases, 10th Revision
|
ICF |
intracellular fluid
|
ICG |
impedance cardiography
|
ICH |
intracerebral hemorrhage
|
ICM |
ischemic cardiomyopathy
|
ICP |
intracranial pressure
|
ICS |
intercostal space inhaled corticosteroids internal carotid stenosis
|
ICSI |
intracytoplasmic sperm injection
|
ICU |
intensive care unit
|
ICCU |
intensive cardiac care unit
|
ID |
infectious dose infectious disease identifying data
|
I&D |
incision and drainage (how to treat an abscess)
|
IDA |
iron deficiency anemia
|
IDC |
idiopathic dilated cardiomyopathy indwelling catheter infiltrating ductal carcinoma
|
IDDM |
insulin-dependent diabetes mellitus (now called diabetes mellitus type 1)
|
IDL |
intermediate-density lipoprotein
|
IDP |
infectious disease precautions
|
IE |
infective endocarditis
|
IF |
immunofluorescence
|
IFG |
impaired fasting glycaemia
|
Ig |
immunoglobulin
|
IgA |
immunoglobulin A
|
IgAV |
IgA vasculitis (formerly known as Henoch-Schönlein purpura)
|
IgD |
immunoglobulin D
|
IgE |
immunoglobulin E
|
IGF |
insulin-like growth factor
|
IgG |
immunoglobulin G
|
IgG4-RD |
IgG4-related disease
|
IgG4-RKD |
IgG4-related kidney disease
|
IgG4-ROD |
IgG4-related ophthalmic disease
|
IgG4-TIN |
IgG4-related tubulointerstitial nephritis
|
IgM |
immunoglobulin M
|
IGT |
impaired glucose tolerance
|
IHC |
immunohistochemistry
|
IHD |
ischaemic heart disease
|
IHPS |
infantile hypertrophic pyloric stenosis
|
IHSS |
ideopathic hypertrophic subaortic stenosis (hypertrophic cardiomyopathy)
|
IIEF |
International Index of Erectile Function
|
ILD |
interstitial lung disease
|
ILI |
Influenza-like illness
|
IM |
intramuscular
|
IMA |
inferior mesenteric artery
|
IMB |
intermenstrual bleed (bleeding between periods)
|
IMI |
intramuscular injection
|
IMM |
intramyometrial
|
IMN |
infectious mononucleosis intramedullary nail
|
IMRT |
intensity-modulated radiotherapy
|
IMT |
inflammatory myofibroblastic tumor intima-media thickness
|
IMV |
intermittent mandatory ventilation (see mechanical ventilation)
|
Inc |
incomplete
|
INF(-α/-β/-γ) |
interferons -α/-β/-γ
|
INH |
inhaled
Isoniazid
|
Inj |
injection
|
INR |
international normalized ratio
|
Int |
internal
|
INT |
intermittent needle therapy
|
IO |
intraosseous infusion
|
I&O |
inputs and outputs intake and outputs
|
IODM |
infant of diabetic mother
|
IOL |
induction of labor intraocular lens
|
IOP |
intra-occular pressure
|
IP |
interphalangeal joint
|
IPF |
idiopathic pulmonary fibrosis
|
IPG |
Implantable Pulse Generator
|
IPH |
intraparenchymal hemorrhage or intraperitoneal hemorrhage or idiopathic pulmonary hemosiderosis
|
IPMN |
Intraductal papillary mucinous neoplasm
|
IPPB |
intermittent positive pressure breathing (see mechanical ventilation)
|
IPPV |
intermittent positive pressure ventilation (see mechanical ventilation)
|
IPS |
intraperitoneal sounds
|
IQ |
intelligence quotient
|
IR |
insulin resistance Interventional radiology
|
IRDS |
infant respiratory distress syndrome
|
IRIDA |
inherited iron-refractory iron deficiency anemia
|
IRIS |
Immune reconstitution inflammatory syndrome
|
IS |
Incentive Spirometry
|
ISA |
intrinsic sympathomimetic activity
|
ISDN |
isosorbide dinitrate
|
ISH |
isolated systolic hypertension
|
ISMN |
isosorbide mononitrate
|
ISQ |
no change (from Latin, in status quo)
|
IT |
immature teratoma intrathecal
|
ITP |
idiopathic thrombocytopenic purpura immune-mediated thrombocytopenic purpura
|
ITU |
intensive treatment unit (or intensive therapy unit)
|
IUCD |
intrauterine contraceptive device
|
IU |
international units
|
IUD |
intrauterine death—sometimes confused with intrauterine contraceptive device—use FDIU or IUFD instead. intrauterine device—sometimes confused with intrauterine death—use IUCD instead (intrauterine contraceptive device)
|
IUFD |
intrauterine foetal demise
|
IUGR |
intrauterine growth restriction
|
IUI |
intrauterine insemination
|
IUP |
intrauterine pregnancy
|
IUPC |
intrauterine pressure catheter
|
IUS |
intrauterine system
|
IUT |
intrauterine transfusion
|
IV |
intravenous
|
IVC |
inferior vena cava
|
IVD |
Intervertebral disc
|
IV-DSA |
intravenous digital subtraction angiography
|
IVDU |
intravenous drug user
|
IVF |
in vitro fertilization; intravenous fluids
|
IVH |
interventricular hemorrhage
|
IVIG |
intravenous immunoglobulin
|
IVP |
intravenous pyelogram
|
IVPB |
intravenous piggyback (i.v. short-term infusion)
|
IVPG |
Intravenous pyogenic granuloma
|
IVSS
|
Intravenous Soluset[1]
|
IVU |
intravenous urogram
|
IVUS |
intravascular ultrasound
|
Ix |
Investigation(s)
|