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 414 of 2,187 · by category · by group · panels · answer lists · parts
Ova and parasites identified (Stool, mcmaster concentration) · Microbiology 20925-4 Ova and parasites identified (Stool, baermann concentration) · Microbiology 20926-2 Oxalate (Tissue) · Chemistry 20927-0 Oxalate in Plant · Chemistry 20928-8 Paraquat in Gastric fluid · Drug and toxicology 20929-6 Paraquat (Tissue) · Drug and toxicology 20930-4 Parasites in Gastric fluid · Microbiology 20931-2 Parasite identified in Specimen (inspection) · Microbiology 20932-0 Parasite identified (light microscopy) · Microbiology 20933-8 Bovine parvovirus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20934-6 Pasteurella multocida serotype in Isolate (immune diffusion (id)) · Microbiology 20935-3 Pentachlorophenol (Tissue) · Drug and toxicology 20936-1 Pentachlorophenol in Fat · Drug and toxicology 20937-9 Phenols in Gastric fluid · Drug and toxicology 20938-7 Phosphide in Gastrointestinal content · Drug and toxicology 20939-5 Phosphide in Feed · Drug and toxicology 20940-3 Phosphate · Chemistry 20941-1 Plant identified in Plant · Drug and toxicology 20942-9 Bovine respiratory syncytial virus Ag in Lung (qualitative, immune stain) · Microbiology 20943-7 Bovine respiratory syncytial virus Ag in Lung (qualitative, immunoassay) · Microbiology 20944-5 Bovine respiratory syncytial virus Ag in Lung (qualitative, immunofluorescence) · Microbiology 20945-2 Retinol in Liver · Chemistry 20946-0 Retinol in Feed · Chemistry 20947-8 Retinol (Tissue) · Chemistry 20948-6 Rickettsia sp (Blood, qualitative, light microscopy) · Microbiology 20949-4 Bovine rotavirus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20950-2 Salmonella sp serotype in Isolate (agglutination) · Microbiology 20951-0 Salmonella sp identified in Egg (organism specific culture) · Microbiology 20952-8 Salmonella sp identified (Tissue, organism specific culture) · Microbiology 20953-6 Salmonella sp identified in Unspecified specimen (organism specific culture) · Microbiology 20954-4 Salmonella sp identified (Stool, organism specific culture) · Microbiology 20955-1 Sarcocystis neurona Ab (Body Fluid, qualitative, immunoblot) · Microbiology 20956-9 Sarcocystis neurona Ab (qualitative, immunoblot) · Microbiology 20957-7 Sarcocystis neurona Ab (Blood, qualitative, immunoblot) · Microbiology 20958-5 Sarcocystis neurona Ag (Tissue, qualitative, immune stain) · Microbiology 20959-3 Selenium in Gastric fluid · Drug and toxicology 20960-1 Selenium in Feed · Drug and toxicology 20961-9 Serpulina hyodysenteria in Spiral colon (qualitative, organism specific culture) · Microbiology 20962-7 Serpulina hyodysenteria (Stool, qualitative, organism specific culture) · Microbiology 20963-5 Shigella sp identified in Feed (organism specific culture) · Microbiology 20964-3 Somatic cells in Milk · Microbiology 20965-0 Staphylococcus sp identified in Specimen (organism specific culture) · Microbiology 20966-8 Staphylococcus sp identified in Milk (organism specific culture) · Microbiology 20967-6 Staphylococcus sp identified in Cheese (organism specific culture) · Microbiology 20968-4 Strychnine in Gastric fluid (qualitative) · Drug and toxicology 20969-2 Strychnine in Specimen (qualitative) · Drug and toxicology 20970-0 Strychnine (Tissue) · Drug and toxicology 20972-6 Sulfate in Gastric fluid · Chemistry 20973-4 Sulfate · Chemistry 20974-2 Thallium (Tissue) · Drug and toxicology 20975-9