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 480 of 2,187 · by category · by group · panels · answer lists · parts
Mycoplasma pneumoniae Ab (complement fixation --1st specimen) · Microbiology 24236-2 Mycoplasma pneumoniae Ab (complement fixation --2nd specimen) · Microbiology 24237-0 Chlamydia sp IgG Ab --1st specimen · Microbiology 24238-8 Chlamydia sp IgG Ab --2nd specimen · Microbiology 24239-6 Mumps virus IgG Ab --1st specimen · Microbiology 24240-4 Mumps virus IgG Ab --2nd specimen · Microbiology 24241-2 Toxoplasma gondii IgG Ab --1st specimen · Microbiology 24242-0 Polio virus 1 Ab --1st specimen · Microbiology 24243-8 Polio virus 1 Ab --2nd specimen · Microbiology 24244-6 Polio virus 2 Ab --1st specimen · Microbiology 24245-3 Polio virus 2 Ab --2nd specimen · Microbiology 24246-1 Polio virus 3 Ab --1st specimen · Microbiology 24247-9 Polio virus 3 Ab --2nd specimen · Microbiology 24248-7 Adenovirus Ab --1st specimen · Microbiology 24249-5 Adenovirus Ab --2nd specimen · Microbiology 24250-3 Coxsackievirus B1 Ab --1st specimen · Microbiology 24251-1 Coxsackievirus B1 Ab --2nd specimen · Microbiology 24252-9 Coxsackievirus B2 Ab --1st specimen · Microbiology 24255-2 Coxsackievirus B2 Ab --2nd specimen · Microbiology 24256-0 Coxsackievirus B3 Ab --1st specimen · Microbiology 24259-4 Coxsackievirus B3 Ab --2nd specimen · Microbiology 24260-2 Coxsackievirus B4 Ab --1st specimen · Microbiology 24263-6 Coxsackievirus B4 Ab --2nd specimen · Microbiology 24264-4 Coxsackievirus B5 Ab --1st specimen · Microbiology 24267-7 Coxsackievirus B5 Ab --2nd specimen · Microbiology 24268-5 Coxsackievirus B6 Ab --1st specimen · Microbiology 24271-9 Coxsackievirus B6 Ab --2nd specimen · Microbiology 24272-7 Saint Louis encephalitis virus Ab --1st specimen · Microbiology 24275-0 Saint Louis encephalitis virus Ab --2nd specimen · Microbiology 24276-8 Legionella pneumophila Ab --1st specimen · Microbiology 24277-6 Legionella pneumophila Ab --2nd specimen · Microbiology 24278-4 Rickettsia typhi IgG Ab --1st specimen · Microbiology 24279-2 Rickettsia typhi IgG Ab --2nd specimen · Microbiology 24280-0 Rickettsia spotted fever group IgG Ab --1st specimen · Microbiology 24281-8 Rickettsia spotted fever group IgG Ab --2nd specimen · Microbiology 24282-6 La Crosse virus Ab --1st specimen · Microbiology 24283-4 La Crosse virus Ab --2nd specimen · Microbiology 24284-2 Western equine encephalitis virus Ab --1st specimen · Microbiology 24285-9 Western equine encephalitis virus Ab --2nd specimen · Microbiology 24286-7 Eastern equine encephalitis virus Ab --1st specimen · Microbiology 24287-5 Eastern equine encephalitis virus Ab --2nd specimen · Microbiology 24288-3 Influenza virus A Ab --1st specimen · Microbiology 24289-1 Influenza virus A Ab --2nd specimen · Microbiology 24290-9 Influenza virus B Ab --1st specimen · Microbiology 24291-7 Influenza virus B Ab --2nd specimen · Microbiology 24292-5 Parainfluenza virus 1 Ab --1st specimen · Microbiology 24293-3 Parainfluenza virus 2 Ab --1st specimen · Microbiology 24294-1 Parainfluenza virus 2 Ab --2nd specimen · Microbiology 24295-8 Parainfluenza virus 3 Ab --1st specimen · Microbiology 24296-6 Parainfluenza virus 3 Ab --2nd specimen · Microbiology 24297-4