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 411 of 2,187 · by category · by group · panels · answer lists · parts
Colony count in Specimen (visual count) · Microbiology 20774-6 Colony count in Specimen (viability count fda method) · Microbiology 20775-3 Caprine parapoxvirus Ab (Tissue, qualitative, immunofluorescence) · Microbiology 20776-1 Caprine parapoxvirus Ab (qualitative, complement fixation) · Microbiology 20777-9 Copper in Specimen · Drug and toxicology 20778-7 Bovine coronavirus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20779-5 Cryptosporidium sp in Large intestine or small intestine Tissue (qualitative, acid fast stain) · Microbiology 20780-3 Cryptosporidium sp (Stool, qualitative, acid fast stain) · Microbiology 20781-1 Cyanide in Plant · Drug and toxicology 20782-9 Cyanide in Plant Qualitative (qualitative) · Drug and toxicology 20783-7 Cyanide in Specimen · Drug and toxicology 20784-5 Drugs identified (screen method) · Drug and toxicology 20785-2 Drugs identified (Tissue, screen method) · Drug and toxicology 20786-0 Drugs identified in Specimen (screen method) · Drug and toxicology 20787-8 Duck enteritis virus neutralizing antibody (qualitative, neutralization test) · Microbiology 20788-6 Escherichia coli serotype in Isolate · Microbiology 20789-4 Eastern equine encephalitis virus Ab (qualitative, hemagglutination inhibition) · Microbiology 20790-2 Eastern equine encephalitis virus Ab (qualitative, immunofluorescence) · Microbiology 20791-0 Eastern equine encephalitis virus Ab (CSF, qualitative, immunofluorescence) · Microbiology 20792-8 Eastern equine encephalitis virus Ab (qualitative, complement fixation) · Microbiology 20793-6 Eastern equine encephalitis virus Ab (CSF, qualitative, complement fixation) · Microbiology 20794-4 Eastern equine encephalitis virus neutralizing antibody (neutralization test) · Microbiology 20795-1 Endophyte identified in Plant · Microbiology 20796-9 Endotoxin identified in Specimen · Microbiology 20797-7 Clostridium perfringens enterotoxin (Tissue, qualitative) · Microbiology 20798-5 Clostridium perfringens enterotoxin (Body Fluid, qualitative) · Microbiology 20799-3 Clostridium perfringens enterotoxin in Small intestine Fixed (qualitative) · Microbiology 20800-9 Encephalitozoon cuniculi Ab (qualitative) · Microbiology 20801-7 Epizootic hemorrhagic disease virus neutralizing antibody (qualitative, neutralization test) · Microbiology 20802-5 Epizootic hemorrhagic disease virus Ab (qualitative) · Microbiology 20803-3 Epizootic hemorrhagic disease virus Ag (Blood, qualitative, immunofluorescence) · Microbiology 20804-1 Epizootic hemorrhagic disease virus Ag in Lung Qualitative (qualitative, immunofluorescence) · Microbiology 20805-8 Saint Louis encephalitis virus Ab (qualitative) · Microbiology 20806-6 Equine arteritis virus (Blood, qualitative, organism specific culture) · Microbiology 20807-4 Ergot alkaloid in Specimen · Drug and toxicology 20808-2 Ergot alkaloid in Feed · Drug and toxicology 20809-0 Ehrlichia equi Ab (qualitative) · Microbiology 20810-8 Escherichia coli in Specimen (qualitative, culture fda method) · Microbiology 20811-6 Escherichia coli 987P in Small intestine Tissue (qualitative, immunofluorescence) · Microbiology 20812-4 Escherichia coli F41 in Isolate (qualitative, agglutination) · Microbiology 20813-2 Escherichia coli F41 in Small intestine Tissue (qualitative, immunofluorescence) · Microbiology 20814-0 Escherichia coli K88 in Small intestine Tissue (qualitative, agglutination) · Microbiology 20815-7 Escherichia coli K88 in Isolate (qualitative, agglutination) · Microbiology 20816-5 Escherichia coli K88 in Small intestine Tissue (qualitative, immunofluorescence) · Microbiology 20817-3 Escherichia coli K99 in Small intestine Tissue (qualitative, agglutination) · Microbiology 20818-1 Escherichia coli K99 in Isolate (qualitative, agglutination) · Microbiology 20819-9 Escherichia coli K99 in Small intestine Tissue (qualitative, agglutination) · Microbiology 20820-7 Escherichia coli K99 (Stool, qualitative, agglutination) · Microbiology 20821-5 Escherichia coli K99 in Small intestine Tissue (qualitative, immunofluorescence) · Microbiology 20822-3 Escherichia coli O157:H7 in Raw milk (qualitative, organism specific culture) · Microbiology 20823-1