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 132 of 2,187 · by category · by group · panels · answer lists · parts
Streptococcus pneumoniae Ab (qualitative, immunoassay) · Microbiology 6552-4 Streptococcus pneumoniae Ag (CSF, qualitative, immunofluorescence) · Microbiology 6553-2 Streptococcus pneumoniae Ag in Sputum (qualitative, immunofluorescence) · Microbiology 6554-0 Streptococcus pneumoniae Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6555-7 Streptococcus pyogenes Ag in Throat (qualitative, immunoassay) · Microbiology 6556-5 Streptococcus pyogenes Ag in Throat (qualitative, immunofluorescence) · Microbiology 6557-3 Streptococcus pyogenes Ag in Specimen (qualitative, immunoassay) · Microbiology 6558-1 Streptococcus pyogenes Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6559-9 Plasmodium ovale Ab · Microbiology 6560-7 Treponema pallidum IgG Ab (qualitative) · Microbiology 6561-5 Treponema pallidum IgM Ab (qualitative) · Microbiology 6562-3 Trichinella spiralis IgG Ab (qualitative, immunoassay) · Microbiology 6563-1 Trichomonas vaginalis in Genital specimen (qualitative, complement fixation) · Microbiology 6564-9 Trichomonas vaginalis in Genital specimen (qualitative, wet preparation) · Microbiology 6565-6 Trichomonas vaginalis Ag in Genital specimen (qualitative, immunoassay) · Microbiology 6566-4 Trichomonas vaginalis Ag in Genital specimen (qualitative, immunofluorescence) · Microbiology 6567-2 Trichomonas vaginalis rRNA in Genital specimen (qualitative, probe) · Microbiology 6568-0 Varicella zoster virus IgG Ab (immunofluorescence) · Microbiology 6569-8 Varicella zoster virus IgM Ab (immunofluorescence) · Microbiology 6570-6 Venezuelan equine encephalitis virus Ab · Microbiology 6571-4 Venezuelan equine encephalitis virus Ag (qualitative, immunoassay) · Microbiology 6572-2 Venezuelan equine encephalitis virus Ag (qualitative, immunofluorescence) · Microbiology 6573-0 Escherichia coli verotoxin 1 (Stool, qualitative) · Microbiology 6574-8 Escherichia coli verotoxin 1 neutralizing antibody (Stool, neutralization test) · Microbiology 6575-5 Escherichia coli verotoxin 2 (Stool, qualitative) · Microbiology 6576-3 Escherichia coli verotoxin 2 neutralizing antibody (Stool, neutralization test) · Microbiology 6577-1 Vibrio sp identified (Blood, organism specific culture) · Microbiology 6578-9 Vibrio sp identified (Stool, organism specific culture) · Microbiology 6579-7 Vibrio sp identified in Water (organism specific culture) · Microbiology 6580-5 Treponema identified · Microbiology 6580-7 Vibrio sp identified in Specimen (organism specific culture) · Microbiology 6581-3 Microscopic observation in Unspecified specimen (tzanck smear) · Microbiology 6582-1 Virus identified (Semen, culture) · Microbiology 6583-9 Virus identified in Specimen (culture) · Microbiology 6584-7 Western equine encephalitis virus Ag (qualitative, immunoassay) · Microbiology 6585-4 Western equine encephalitis virus Ag (qualitative, immunofluorescence) · Microbiology 6586-2 Yellow fever virus Ab (complement fixation) · Microbiology 6587-0 Yellow fever virus Ab (hemagglutination inhibition) · Microbiology 6588-8 Yellow fever virus Ab (immunofluorescence) · Microbiology 6589-6 Yellow fever virus Ab (latex agglutination) · Microbiology 6590-4 Yellow fever virus neutralizing antibody (neutralization test) · Microbiology 6591-2 Yellow fever virus IgG Ab (immunoassay) · Microbiology 6592-0 Yellow fever virus IgM Ab (immunoassay) · Microbiology 6593-8 Amoeba identified in Specimen (organism specific culture) · Microbiology 6594-6 Klebsiella granulomatis in Isolate (qualitative, organism specific culture) · Microbiology 6595-3 Diphtheria identified in Isolate (organism specific culture) · Microbiology 6596-1 Troponin T.cardiac (Venous Blood) · Chemistry 6597-9 Troponin T.cardiac · Chemistry 6598-7 Haemophilus influenzae B Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6599-5 Haemophilus sp identified in Specimen (organism specific culture) · Microbiology 6600-1