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 106 of 2,187 · by category · by group · panels · answer lists · parts
Muscle sarcolemma Ab · Serology 5251-4 Mycoplasma pneumoniae Ab (latex agglutination) · Microbiology 5252-2 Mycoplasma pneumoniae Ab (qualitative, immunoassay) · Microbiology 5253-0 Mycoplasma pneumoniae Ab (complement fixation) · Microbiology 5254-8 Mycoplasma pneumoniae IgG Ab (immunoassay) · Microbiology 5255-5 Mycoplasma pneumoniae IgM Ab (immunoassay) · Microbiology 5256-3 Mycoplasma pneumoniae IgM Ab (qualitative, immunoassay) · Microbiology 5257-1 Mycoplasma pneumoniae IgM Ab (immunofluorescence) · Microbiology 5258-9 Myelin basic protein Ab (immunofluorescence) · Serology 5259-7 Myocardium Ab (immunofluorescence) · Serology 5260-5 Neisseria gonorrhoeae Ab · Microbiology 5261-3 Neutrophil cytoplasmic Ab (immunofluorescence) · Serology 5262-1 Nocardia sp Ab · Microbiology 5263-9 Onchocerca sp Ab · Microbiology 5264-7 Pancreatic islet cell Ab (qualitative, immunofluorescence) · Serology 5265-4 Paracoccidioides brasiliensis Ab (complement fixation) · Microbiology 5266-2 Paragonimus sp Ab (complement fixation) · Microbiology 5267-0 Parainfluenza virus 1 Ab (complement fixation) · Microbiology 5268-8 Parainfluenza virus 2 Ab (complement fixation) · Microbiology 5269-6 Parainfluenza virus 3 Ab (complement fixation) · Microbiology 5270-4 Parietal cell Ab (immunofluorescence) · Serology 5271-2 Parvovirus B19 Ab (immunoassay) · Microbiology 5272-0 Parvovirus B19 IgG Ab (immunoassay) · Microbiology 5273-8 Parvovirus B19 IgM Ab (immunoassay) · Microbiology 5274-6 PCNA extractable nuclear Ab (qualitative, immunoassay) · Serology 5275-3 PCNA extractable nuclear Ab (qualitative, immune diffusion (id)) · Serology 5276-1 Penicillium roqueforti Ab · Microbiology 5277-9 Plasmodium falciparum Ab · Microbiology 5278-7 Plasmodium sp Ab · Microbiology 5279-5 Plasmodium vivax Ab · Microbiology 5280-3 Polio virus 1 neutralizing antibody (neutralization test) · Microbiology 5281-1 Polio virus 1 Ab (complement fixation) · Microbiology 5282-9 Polio virus 2 neutralizing antibody (neutralization test) · Microbiology 5283-7 Polio virus 2 Ab (complement fixation) · Microbiology 5284-5 Polio virus 3 neutralizing antibody (neutralization test) · Microbiology 5285-2 Polio virus 3 Ab (complement fixation) · Microbiology 5286-0 Burkholderia pseudomallei Ab (hemagglutination) · Microbiology 5287-8 Rabies virus Ab · Microbiology 5288-6 Reagin Ab (CSF, vdrl) · Microbiology 5289-4 Reagin Ab (CSF, qualitative, vdrl) · Microbiology 5290-2 Reagin Ab (vdrl) · Microbiology 5291-0 Reagin Ab (qualitative, vdrl) · Microbiology 5292-8 Reovirus Ab · Microbiology 5293-6 Respiratory syncytial virus Ab (complement fixation) · Microbiology 5294-4 Respiratory syncytial virus Ab (immunofluorescence) · Microbiology 5295-1 Reticulin Ab · Serology 5296-9 Rheumatoid factor (qualitative, latex agglutination) · Serology 5297-7 Rheumatoid factor (qualitative, sheep cell agglutination) · Serology 5298-5 Rheumatoid factor (latex agglutination) · Serology 5299-3 Rheumatoid factor (sheep cell agglutination) · Serology 5300-9