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 439 of 2,187 · by category · by group · panels · answer lists · parts
Chlamydia sp Ab · Microbiology 22182-0 Chlamydia sp IgG Ab (CSF) · Microbiology 22183-8 Chlamydia sp IgG Ab · Microbiology 22184-6 Chlamydia sp IgM Ab (CSF) · Microbiology 22185-3 Chlamydia sp IgM Ab · Microbiology 22186-1 Chlamydia trachomatis Ab · Microbiology 22187-9 Chlamydia trachomatis IgA Ab (CSF) · Microbiology 22188-7 Chlamydia trachomatis IgA Ab · Microbiology 22189-5 Chlamydia trachomatis IgG Ab (CSF) · Microbiology 22190-3 Chlamydia trachomatis IgG Ab · Microbiology 22191-1 Chlamydia trachomatis IgM Ab (CSF) · Microbiology 22192-9 Chlamydia trachomatis IgM Ab · Microbiology 22193-7 Chlamydia trachomatis B IgA Ab · Microbiology 22194-5 Chlamydia trachomatis B IgG Ab · Microbiology 22195-2 Chlamydia trachomatis B IgM Ab · Microbiology 22196-0 Chlamydia trachomatis C IgA Ab · Microbiology 22197-8 Chlamydia trachomatis C IgG Ab · Microbiology 22198-6 Chlamydia trachomatis C IgM Ab · Microbiology 22199-4 Chlamydia trachomatis G+F+K IgA Ab · Microbiology 22200-0 Chlamydia trachomatis G+F+K IgG Ab · Microbiology 22201-8 Chlamydia trachomatis G+F+K IgM Ab · Microbiology 22202-6 Clostridium tetani IgG Ab · Microbiology 22203-4 Coccidioides immitis Ab (CSF, qualitative) · Microbiology 22204-2 Coccidioides immitis Ab (qualitative) · Microbiology 22205-9 Coccidioides immitis Ab · Microbiology 22206-7 Coccidioides immitis Ab (CSF) · Microbiology 22207-5 Coccidioides immitis Ab · Microbiology 22208-3 Coccidioides immitis IgG Ab (qualitative) · Microbiology 22209-1 Coccidioides immitis IgM Ab (qualitative) · Microbiology 22210-9 Coxiella burnetii Ab · Microbiology 22211-7 Coxsackievirus A10 Ab (CSF) · Microbiology 22212-5 Coxsackievirus A10 Ab · Microbiology 22213-3 Coxsackievirus A16 Ab (CSF) · Microbiology 22214-1 Coxsackievirus A16 Ab · Microbiology 22215-8 Coxsackievirus A2 Ab · Microbiology 22216-6 Coxsackievirus A21 Ab · Microbiology 22217-4 Coxsackievirus A4 Ab · Microbiology 22218-2 Coxsackievirus A7 Ab (CSF) · Microbiology 22219-0 Coxsackievirus A7 Ab · Microbiology 22220-8 Coxsackievirus A9 Ab (CSF) · Microbiology 22221-6 Coxsackievirus A9 Ab · Microbiology 22222-4 Coxsackievirus B IgG Ab · Microbiology 22223-2 Coxsackievirus B IgM Ab · Microbiology 22224-0 Coxsackievirus B1 Ab (CSF) · Microbiology 22225-7 Coxsackievirus B1 Ab · Microbiology 22226-5 Coxsackievirus B2 Ab (CSF) · Microbiology 22227-3 Coxsackievirus B2 Ab · Microbiology 22228-1 Coxsackievirus B3 Ab (CSF) · Microbiology 22229-9 Coxsackievirus B3 Ab · Microbiology 22230-7 Coxsackievirus B4 Ab (CSF) · Microbiology 22231-5