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 129 of 2,187 · by category · by group · panels · answer lists · parts
Ehrlichia chaffeensis IgM Ab (qualitative, immunoassay) · Microbiology 6402-2 Anaplasma phagocytophilum Ab (qualitative, immunoassay) · Microbiology 6403-0 Anaplasma phagocytophilum Ab (qualitative, immunoassay) · Microbiology 6404-8 Ehrlichia sp Ab (qualitative, immunoassay) · Microbiology 6405-5 Flavivirus identified in Specimen (organism specific culture) · Microbiology 6406-3 Francisella tularensis IgM Ab (qualitative, latex agglutination) · Microbiology 6407-1 Francisella tularensis Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6408-9 Fungus identified in Sputum tracheal aspirate (culture) · Microbiology 6409-7 Gardnerella vaginalis rRNA in Genital specimen (qualitative, probe) · Microbiology 6410-5 Giardia lamblia IgG Ab (immunofluorescence) · Microbiology 6411-3 Giardia lamblia Ag (Stool, qualitative, immunoassay) · Microbiology 6412-1 Giardia lamblia Ag in Specimen (qualitative, immunoassay) · Microbiology 6413-9 Haemophilus influenzae A Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6414-7 Haemophilus influenzae C Ag in Unspecified specimen (qualitative, immunofluorescence) · Microbiology 6415-5 Haemophilus influenzae D Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6416-2 Haemophilus influenzae E Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6417-0 Haemophilus influenzae F Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6418-8 Helicobacter pylori Ab (qualitative, immunofluorescence) · Microbiology 6419-6 Helicobacter pylori IgA Ab (immunoassay) · Microbiology 6420-4 Hepatitis B virus rRNA in Specimen (qualitative, probe) · Microbiology 6421-2 Hepatitis C virus rRNA (qualitative) · Microbiology 6422-0 Herpes simplex virus Ag in Genital specimen (qualitative, immunoassay) · Microbiology 6423-8 Heterophile Ab (agglutination) · Microbiology 6424-6 Heterophile Ab (qualitative, immunoassay) · Microbiology 6425-3 Histoplasma capsulatum Ab (immunoassay) · Microbiology 6426-1 Histoplasma capsulatum Ab (qualitative, latex agglutination) · Microbiology 6427-9 Histoplasma capsulatum Ag (immunoassay) · Microbiology 6428-7 HIV identified (Blood, organism specific culture) · Microbiology 6429-5 HIV identified (Semen, organism specific culture) · Microbiology 6430-3 HIV identified in Specimen (organism specific culture) · Microbiology 6431-1 HTLV I Ab (qualitative, immunoblot) · Microbiology 6432-9 HTLV I IgG Ab (qualitative, immunoassay) · Microbiology 6433-7 Influenza virus A+B Ab (immunofluorescence) · Microbiology 6434-5 Influenza virus A+B Ag in Throat (qualitative, immunoassay) · Microbiology 6435-2 Influenza virus A+B Ag in Throat (qualitative, immunofluorescence) · Microbiology 6436-0 Influenza virus A+B Ag in Specimen (qualitative, immunoassay) · Microbiology 6437-8 Influenza virus A+B Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6438-6 Influenza virus A+B+C Ag in Throat (qualitative, immunoassay) · Microbiology 6439-4 Influenza virus A+B+C Ag in Throat (qualitative, immunofluorescence) · Microbiology 6440-2 Influenza virus A+B+C Ag in Specimen (qualitative, immunoassay) · Microbiology 6441-0 Influenza virus A+B+C Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6442-8 Lactoferrin (Stool, qualitative, latex agglutination) · Chemistry 6443-6 Lactoferrin in Specimen (qualitative, latex agglutination) · Chemistry 6444-4 Legionella pneumophila Ag in Sputum (qualitative, immunofluorescence) · Microbiology 6445-1 Legionella pneumophila Ag in Sputum (qualitative, latex agglutination) · Microbiology 6446-9 Legionella pneumophila Ag (Urine, qualitative, immunoassay) · Microbiology 6447-7 Legionella pneumophila Ag (Urine, qualitative, radioimmunoassay (ria)) · Microbiology 6448-5 Legionella pneumophila Ag in Specimen (qualitative, latex agglutination) · Microbiology 6449-3 Legionella sp Ab (immunofluorescence) · Microbiology 6450-1 Legionella sp rRNA in Unspecified specimen (qualitative, dna probe) · Microbiology 6451-9