LOINC codes
The universal code system for lab observations. Every biomarker on this site is anchored to a LOINC code; a code page says what its parts mean.
By class
435 classes · the 32 with 500 codes or more Microbiology · MICRO 14,888 Chemistry · CHEM 10,855 Drug and toxicology · DRUG/TOX 8,921 Radiology · RAD 7,440 Allergy · ALLERGY 6,024 Challenge tests · CHAL 3,964 Document ontology · DOC.ONTOLOGY 3,759 PhenX measures · PHENX 3,686 Serology · SERO 3,167 Lab orders · LABORDERS.ONTOLOGY 2,546 PROMIS survey · SURVEY.PROMIS 2,463 Hematology and blood count · HEM/BC 2,449 Antibiotic susceptibility · ABXBACT 2,115 Cell markers · CELLMARK 1,746 General health survey · SURVEY.GNHLTH 1,629 Molecular pathology, mutations · MOLPATH.MUT 1,293 Blood bank · BLDBK 1,113 Coagulation · COAG 1,002 CMS survey · SURVEY.CMS 968 History and physical · H&P.HX 901 Pulmonary · PULM 878 PANEL.SURVEY.CMS 866 MDS survey · SURVEY.MDS 864 Cardiac ultrasound · CARD.US 817 Obstetric ultrasound · OB.US 793 Pathology · PATH 707 Molecular pathology · MOLPATH 704 PANEL.PHENX 704 Urinalysis · UA 597 HLA typing · HLA 526 H&P.PX 507 CLIN 502
All codes, by number
109,325 codes · page 421 of 2,187 · by category · by group · panels · answer lists · parts
Follitropin --1.5 hours post XXX challenge · Challenge tests 21279-5 Fonofos (Urine) · Drug and toxicology 21280-3 Fusarium oxysporum IgE Ab RAST class (qualitative) · Allergy 21281-1 Ganglioside GD1a IgM Ab (immunoassay) · Serology 21282-9 Ganglioside GD1a IgG Ab (immunoassay) · Serology 21283-7 Gardnerella vaginalis in Genital specimen (qualitative, organism specific culture) · Microbiology 21284-5 Garlic IgG Ab RAST class (qualitative) · Allergy 21285-2 Gastrin --1.5 hours post 0.2 U/kg secretin · Challenge tests 21286-0 Gastrin --1 hour post 0.2 U/kg secretin · Challenge tests 21287-8 Gastrin --2.5 hours post 0.2 U/kg secretin · Challenge tests 21288-6 Gastrin --2 hours post 0.2 U/kg secretin · Challenge tests 21289-4 Gastrin --3.5 hours post 0.2 U/kg secretin · Challenge tests 21290-2 Gastrin --3 hours post 0.2 U/kg secretin · Challenge tests 21291-0 Gastrin --40 minutes post 0.2 U/kg secretin · Challenge tests 21292-8 Gastrin --45 minutes post 0.2 U/kg secretin · Challenge tests 21293-6 Gastrin --4 hours post 0.2 U/kg secretin · Challenge tests 21294-4 Gastrin --50 minutes post 0.2 U/kg secretin · Challenge tests 21295-1 Gastrin --7 minutes post 0.2 U/kg secretin · Challenge tests 21296-9 Bovine Gelatin IgE Ab RAST class (qualitative) · Allergy 21297-7 Porcine Gelatin IgE Ab RAST class (qualitative) · Allergy 21298-5 Gestational age method · Obstetric ultrasound 21299-3 Giardia lamblia IgA Ab (immunofluorescence) · Microbiology 21300-9 Giardia lamblia IgM Ab (immunofluorescence) · Microbiology 21301-7 Giardia lamblia Ag (Stool, qualitative, immunoassay --2nd specimen) · Microbiology 21302-5 Giardia lamblia Ag (Stool, qualitative, immunoassay --3rd specimen) · Microbiology 21303-3 Ginger IgG Ab RAST class (qualitative) · Allergy 21304-1 Glucose in 24 hour Urine · Chemistry 21305-8 Glucose in 8 hour Urine · Chemistry 21306-6 Glucose in 10 hour Urine · Chemistry 21307-4 Glucose --105 minutes post XXX challenge · Challenge tests 21308-2 Glucose --45 minutes post XXX challenge · Challenge tests 21309-0 Glucose --75 minutes post XXX challenge · Challenge tests 21310-8 Gluten IgG Ab RAST class (qualitative) · Allergy 21311-6 Gold (Body Fluid) · Drug and toxicology 21312-4 Grain elevator dust IgE Ab RAST class (qualitative) · Allergy 21313-2 Grape IgG Ab RAST class (qualitative) · Allergy 21314-0 Grapefruit IgG Ab RAST class (qualitative) · Allergy 21315-7 Grepafloxacin (gradient strip) · Antibiotic susceptibility 21316-5 Groundsel Tree IgE Ab · Allergy 21317-3 Groundsel Tree IgE Ab RAST class (qualitative) · Allergy 21318-1 Haddock IgG Ab RAST class (qualitative) · Allergy 21319-9 Haemophilus influenzae B Ag in Specimen (qualitative, latex agglutination) · Microbiology 21320-7 Halibut IgG Ab RAST class (qualitative) · Allergy 21321-5 Hantavirus puumala IgG Ab (immunofluorescence) · Microbiology 21322-3 Hantavirus puumala IgM Ab (immunofluorescence) · Microbiology 21323-1 Helminthosporium sativum IgE Ab RAST class (qualitative) · Allergy 21324-9 Helminthosporium sp IgE Ab RAST class (qualitative) · Allergy 21325-6 Herpes simplex virus 1 IgM Ab · Microbiology 21326-4 Herpes simplex virus 2 IgM Ab · Microbiology 21327-2 Beta-N-acetylhexosaminidase A and B (Blood) · Chemistry 21328-0