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 127 of 2,187 · by category · by group · panels · answer lists · parts
Coagulation normal/actual in Platelet poor plasma (prothrombin time (pt)) · Coagulation 6302-4 dRVVT in Platelet poor plasma (coagulation assay) · Coagulation 6303-2 Budgerigar droppings IgE Ab · Allergy 6304-0 Plasmodium malariae Ab · Microbiology 6305-7 Adenovirus 40+41 Ag (Stool, qualitative, immunoassay) · Microbiology 6306-5 Adenovirus rRNA (Tissue, qualitative, probe) · Microbiology 6307-3 Adenovirus rRNA in Specimen (qualitative, probe) · Microbiology 6308-1 Arbovirus identified (Blood, organism specific culture) · Microbiology 6309-9 Arbovirus identified in Specimen (organism specific culture) · Microbiology 6310-7 Babesia microti Ab (immunoassay) · Microbiology 6311-5 Bartonella henselae IgM Ab (immunoassay) · Microbiology 6312-3 Blastomyces dermatitidis Ag (qualitative, immunoassay) · Microbiology 6313-1 Bordetella pertussis Ab in Specimen (immunofluorescence) · Microbiology 6314-9 Bordetella pertussis Ab (agglutination) · Microbiology 6315-6 Bordetella pertussis Ab (complement fixation) · Microbiology 6316-4 Bordetella sp identified in Specimen (organism specific culture) · Microbiology 6317-2 Borrelia burgdorferi Ab (CSF, immunoassay) · Microbiology 6318-0 Borrelia burgdorferi Ab (Body Fluid, immunoassay) · Microbiology 6319-8 Borrelia burgdorferi IgG Ab (qualitative, immunoblot) · Microbiology 6320-6 Borrelia burgdorferi IgM Ab (qualitative, immunoblot) · Microbiology 6321-4 Borrelia burgdorferi Ag · Microbiology 6322-2 Borrelia sp identified in Specimen (organism specific culture) · Microbiology 6323-0 Brucella abortus Ab (agglutination) · Microbiology 6324-8 Brucella abortus Ab (complement fixation) · Microbiology 6325-5 Brucella abortus IgM Ab (immunoassay) · Microbiology 6326-3 Brucella canis Ab (immunoassay) · Microbiology 6327-1 Brucella sp Ab (immunofluorescence) · Microbiology 6328-9 Campylobacter coli rRNA in Specimen (qualitative, probe) · Microbiology 6329-7 Campylobacter sp identified (Blood, organism specific culture) · Microbiology 6330-5 Campylobacter sp identified (Stool, organism specific culture) · Microbiology 6331-3 Campylobacter sp identified in Specimen (organism specific culture) · Microbiology 6332-1 Campylobacter jejuni rRNA in Specimen (qualitative, probe) · Microbiology 6333-9 Campylobacter lari rRNA in Specimen (qualitative, probe) · Microbiology 6334-7 Campylobacter sp identified in Unspecified specimen (organism specific culture) · Microbiology 6335-4 Candida albicans Ab (qualitative, immune diffusion (id)) · Microbiology 6336-2 Candida albicans Ag (qualitative, immune diffusion (id)) · Microbiology 6337-0 Chlamydophila psittaci Ag in Genital specimen (qualitative, immunoassay) · Microbiology 6338-8 Chlamydophila psittaci Ag in Genital specimen (qualitative, immunofluorescence) · Microbiology 6339-6 Chlamydophila psittaci Ag in Specimen (qualitative, immunoassay) · Microbiology 6340-4 Chlamydophila psittaci Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6341-2 Chlamydia sp Ab (complement fixation) · Microbiology 6342-0 Chlamydia sp Ag in Conjunctival specimen (qualitative, immunoassay) · Microbiology 6343-8 Chlamydia sp Ag in Conjunctival specimen (qualitative, immunofluorescence) · Microbiology 6344-6 Chlamydia sp Ag in Genital specimen (qualitative, immunoassay) · Microbiology 6345-3 Chlamydia sp Ag in Genital specimen (qualitative, immunofluorescence) · Microbiology 6346-1 Chlamydia sp Ag in Specimen (qualitative, immunoassay) · Microbiology 6347-9 Chlamydia sp identified in Sputum (organism specific culture) · Microbiology 6348-7 Chlamydia trachomatis in Specimen (qualitative, organism specific culture) · Microbiology 6349-5 Chlamydia trachomatis Ag in Conjunctival specimen (qualitative, immunoassay) · Microbiology 6350-3 Chlamydia trachomatis Ag in Conjunctival specimen (qualitative, immunofluorescence) · Microbiology 6351-1