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 474 of 2,187 · by category · by group · panels · answer lists · parts
Zucchini IgE Ab RAST class · Allergy 23932-7 Staphylococcus aureus enterotoxin B in Specimen (qualitative) · Microbiology 23933-5 Staphylococcus aureus enterotoxin B Ab (qualitative) · Microbiology 23934-3 Staphylococcus aureus toxic shock syndrome toxin 1 in Specimen (qualitative) · Microbiology 23935-0 Staphylococcus aureus toxic shock syndrome toxin 1 Ab (qualitative) · Microbiology 23936-8 Trans nonachlor · Drug and toxicology 23937-6 Water Chestnut IgE Ab RAST class (qualitative) · Allergy 23938-4 Xylose --1 hour post 5 g xylose PO (Blood) · Challenge tests 23939-2 Xylose --1 hour post dose xylose PO (Blood) · Challenge tests 23940-0 Xylose --2 hours post 25 g xylose PO (Blood) · Challenge tests 23941-8 Xylose --2 hours post 5 g xylose PO (Blood) · Challenge tests 23942-6 Xylose --2 hours post dose xylose PO (Blood) · Challenge tests 23943-4 Xylose --1 hour post 25 g xylose PO (Blood) · Challenge tests 23944-2 Xylose --1 hour post 5 g xylose PO (Blood) · Challenge tests 23945-9 Xylose --1 hour post dose xylose PO (Blood) · Challenge tests 23946-7 Isoniazid (method for slow-growing mycobacteria) · Antibiotic susceptibility 23947-5 Ofloxacin (method for slow-growing mycobacteria) · Antibiotic susceptibility 23948-3 rifAMPin (method for slow-growing mycobacteria) · Antibiotic susceptibility 23949-1 Adenovirus Ab (CSF, complement fixation) · Microbiology 23950-9 Asialoganglioside GM1 IgG Ab (CSF, immunoassay) · Serology 23951-7 Asialoganglioside GM1 IgM Ab (CSF, immunoassay) · Serology 23952-5 Aspergillus sp Ab (CSF, complement fixation) · Microbiology 23953-3 Bartonella henselae IgG Ab (CSF, immunofluorescence) · Microbiology 23954-1 Bartonella henselae IgM Ab (CSF, immunofluorescence) · Microbiology 23955-8 Aspergillus sp Ab (CSF) · Microbiology 23956-6 Bartonella henselae IgG Ab (CSF) · Microbiology 23957-4 Dengue virus IgG Ab · Microbiology 23958-2 Blastomyces dermatitidis Ab (CSF) · Microbiology 23959-0 Bartonella quintana IgM Ab (CSF) · Microbiology 23960-8 Bartonella quintana IgG Ab (CSF) · Microbiology 23961-6 Bartonella henselae IgM Ab (CSF) · Microbiology 23962-4 Brucella abortus IgG Ab (CSF) · Microbiology 23963-2 Brucella abortus IgM Ab (CSF) · Microbiology 23964-0 Burkholderia pseudomallei IgG Ab · Microbiology 23965-7 Borrelia burgdorferi IgG Ab (CSF) · Microbiology 23966-5 Chlamydia sp Ab (CSF) · Microbiology 23967-3 Dengue virus IgM Ab · Microbiology 23968-1 Echovirus 7 Ab (CSF) · Microbiology 23969-9 Epstein Barr virus nuclear IgG Ab (CSF) · Microbiology 23970-7 Epstein Barr virus early IgG Ab · Microbiology 23971-5 Epstein Barr virus early IgG Ab (CSF) · Microbiology 23972-3 Burkholderia pseudomallei IgM Ab · Microbiology 23973-1 Bartonella quintana IgG Ab (CSF, immunofluorescence) · Microbiology 23974-9 Bartonella quintana IgM Ab (CSF, immunofluorescence) · Microbiology 23975-6 Blastomyces dermatitidis Ab (CSF, complement fixation) · Microbiology 23976-4 Borrelia burgdorferi Ag in Specimen (qualitative, immunofluorescence) · Microbiology 23977-2 Borrelia burgdorferi IgG Ab (CSF, immunofluorescence) · Microbiology 23978-0 Borrelia burgdorferi IgG band pattern (CSF, immunoblot) · Microbiology 23979-8 Borrelia burgdorferi IgG Ab (Body Fluid, qualitative, immunoblot) · Microbiology 23980-6 Borrelia burgdorferi IgG band pattern (Body Fluid, immunoblot) · Microbiology 23981-4