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 445 of 2,187 · by category · by group · panels · answer lists · parts
Rickettsia rickettsii IgG Ab · Microbiology 22482-4 Rickettsia rickettsii IgM Ab · Microbiology 22483-2 Rickettsia sp Ab · Microbiology 22484-0 Orientia tsutsugamushi Ab · Microbiology 22485-7 Rickettsia typhi Ab · Microbiology 22486-5 Rickettsia typhi IgA Ab · Microbiology 22487-3 Rickettsia typhi IgG Ab (qualitative) · Microbiology 22488-1 Rickettsia typhi IgG Ab · Microbiology 22489-9 Rickettsia typhi IgM Ab · Microbiology 22490-7 Rickettsia typhus group Ab (qualitative) · Microbiology 22491-5 Rickettsia typhus group Ab · Microbiology 22492-3 Rickettsia typhus group IgG Ab · Microbiology 22493-1 Rickettsia typhus group IgM Ab · Microbiology 22494-9 Rotavirus Ab · Microbiology 22495-6 Rubella virus Ab (qualitative) · Microbiology 22496-4 Rubella virus Ab · Microbiology 22497-2 Measles virus Ab (CSF) · Microbiology 22498-0 Measles virus Ab · Microbiology 22499-8 Measles virus IgG Ab (CSF) · Microbiology 22500-3 Measles virus IgG Ab (CSF) · Microbiology 22501-1 Measles virus IgG Ab · Microbiology 22502-9 Measles virus IgG Ab --1st specimen · Microbiology 22503-7 Measles virus IgG Ab --2nd specimen · Microbiology 22504-5 Measles virus IgM Ab (CSF) · Microbiology 22505-2 Measles virus IgM Ab · Microbiology 22506-0 Saint Louis encephalitis virus Ab (CSF, qualitative) · Microbiology 22507-8 Saint Louis encephalitis virus Ab (qualitative) · Microbiology 22508-6 Saint Louis encephalitis virus Ab (CSF) · Microbiology 22509-4 Saint Louis encephalitis virus Ab · Microbiology 22510-2 Saint Louis encephalitis virus IgG Ab (CSF) · Microbiology 22511-0 Saint Louis encephalitis virus IgG Ab · Microbiology 22512-8 Saint Louis encephalitis virus IgM Ab (CSF) · Microbiology 22513-6 Saint Louis encephalitis virus IgM Ab · Microbiology 22514-4 Salmonella arizonae Ab (qualitative) · Microbiology 22515-1 Salmonella paratyphi A Ab (qualitative) · Microbiology 22516-9 Salmonella paratyphi A H Ab (qualitative) · Microbiology 22517-7 Salmonella paratyphi A H Ab · Microbiology 22518-5 Salmonella paratyphi A O Ab (qualitative) · Microbiology 22519-3 Salmonella paratyphi B Ab (qualitative) · Microbiology 22520-1 Salmonella paratyphi B H Ab (qualitative) · Microbiology 22521-9 Salmonella paratyphi B H Ab · Microbiology 22522-7 Salmonella paratyphi B O Ab (qualitative) · Microbiology 22523-5 Salmonella paratyphi C H Ab (qualitative) · Microbiology 22524-3 Salmonella paratyphi C O Ab (qualitative) · Microbiology 22525-0 Salmonella pullorum Ab (qualitative) · Microbiology 22526-8 Salmonella sp Ab · Microbiology 22527-6 Salmonella typhi D Ab (qualitative) · Microbiology 22528-4 Salmonella typhi H Ab (qualitative) · Microbiology 22529-2 Salmonella typhi H D Ab (qualitative) · Microbiology 22530-0 Salmonella typhimurium Ab (qualitative) · Microbiology 22531-8