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 475 of 2,187 · by category · by group · panels · answer lists · parts
Borrelia burgdorferi IgM Ab (Body Fluid, qualitative, immunoblot) · Microbiology 23982-2 Borrelia burgdorferi IgM band pattern (Body Fluid, immunoblot) · Microbiology 23983-0 Borrelia burgdorferi IgM Ab (CSF, immunofluorescence) · Microbiology 23984-8 Borrelia burgdorferi IgM band pattern (CSF, immunoblot) · Microbiology 23985-5 Brucella abortus IgG Ab (CSF, immunofluorescence) · Microbiology 23986-3 Brucella abortus IgM Ab (CSF, immunofluorescence) · Microbiology 23987-1 Burkholderia pseudomallei IgG Ab (immunofluorescence) · Microbiology 23988-9 Burkholderia pseudomallei IgM Ab (immunofluorescence) · Microbiology 23989-7 Chlamydia sp Ab (CSF, complement fixation) · Microbiology 23990-5 Dengue virus IgG Ab (immunoassay) · Microbiology 23991-3 Dengue virus IgM Ab (immunoassay) · Microbiology 23992-1 Echovirus 7 Ab (CSF, complement fixation) · Microbiology 23993-9 Epstein Barr virus nuclear IgG Ab (CSF, immunofluorescence) · Microbiology 23994-7 Epstein Barr virus early IgG Ab (immunofluorescence) · Microbiology 23995-4 Epstein Barr virus early IgG Ab (CSF, immunofluorescence) · Microbiology 23996-2 Ganglioside GD1a IgG Ab (CSF, immunoassay) · Serology 23997-0 Ganglioside GD1a IgM Ab (CSF, immunoassay) · Serology 23998-8 Ganglioside GD1b IgG Ab (CSF, immunoassay) · Serology 23999-6 Ganglioside GD1b IgM Ab (CSF, immunoassay) · Serology 24000-2 Ganglioside GQ1b IgG Ab (CSF, immunoassay) · Serology 24001-0 Microscopic observation in Bronchial specimen (acid fast stain) · Microbiology 24002-8 Brucella sp identified (Bone Marrow, organism specific culture) · Microbiology 24003-6 Chlamydophila pneumoniae IgM Ab (qualitative) · Microbiology 24004-4 Chlamydia sp identified in Bronchial specimen (organism specific culture) · Microbiology 24005-1 Eastern equine encephalitis virus IgG and IgM · Microbiology 24006-9 Epstein Barr virus early IgG Ab · Microbiology 24007-7 Echovirus 14 Ab (complement fixation) · Microbiology 24008-5 Fungus identified in Bronchial specimen (culture) · Microbiology 24009-3 Haemophilus influenzae B Ag (CSF, qualitative) · Microbiology 24010-1 Hepatitis C virus Ab band pattern (immunoblot) · Microbiology 24011-9 HIV 1 Ag (qualitative) · Microbiology 24012-7 HIV 1 RNA · Microbiology 24013-5 Herpes simplex virus 2 IgG Ab · Microbiology 24014-3 Influenza virus A+B Ag in Specimen (qualitative) · Microbiology 24015-0 La Crosse virus Ab · Microbiology 24016-8 Neisseria meningitidis serogroup B Ag (CSF, qualitative) · Microbiology 24017-6 Neisseria meningitidis serogroup B Ag (Urine, qualitative) · Microbiology 24018-4 Neisseria meningitidis B Ag (Urine, qualitative) · Microbiology 24019-2 Streptococcus agalactiae Ag (Urine, qualitative) · Microbiology 24020-0 Streptococcus pneumoniae 12 Ab · Microbiology 24021-8 Streptococcus pneumoniae 14 Ab · Microbiology 24022-6 Streptococcus pneumoniae 3 Ab · Microbiology 24023-4 Streptococcus pneumoniae 8 Ab · Microbiology 24025-9 Streptococcus pneumoniae Ag (Urine, qualitative) · Microbiology 24027-5 Toxocara canis IgA Ab (qualitative) · Microbiology 24028-3 Toxocara canis IgG Ab (qualitative) · Microbiology 24029-1 Toxocara canis IgM Ab (qualitative) · Microbiology 24030-9 14-3-3 Ag (CSF, qualitative, immunoblot) · Serology 24031-7 Rifabutin · Drug and toxicology 24032-5 Bordetella pertussis filamentous hemagglutinin IgG Ab (immunoassay) · Microbiology 24033-3