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 442 of 2,187 · by category · by group · panels · answer lists · parts
Herpes simplex virus 1 Ab · Microbiology 22332-1 Herpes simplex virus 1 IgG Ab (CSF) · Microbiology 22333-9 Herpes simplex virus 1 IgM Ab (CSF) · Microbiology 22334-7 Herpes simplex virus 2 Ab · Microbiology 22335-4 Herpes simplex virus 2 IgG Ab (qualitative) · Microbiology 22336-2 Herpes simplex virus 2 IgG Ab (CSF) · Microbiology 22337-0 Herpes simplex virus 2 IgM Ab (CSF) · Microbiology 22338-8 Herpes simplex virus Ab (qualitative) · Microbiology 22339-6 Herpes simplex virus Ab (CSF) · Microbiology 22340-4 Herpes simplex virus Ab · Microbiology 22341-2 Herpes simplex virus IgG Ab · Microbiology 22342-0 Herpes simplex virus IgM Ab · Microbiology 22343-8 Heterophile Ab after absorption · Microbiology 22344-6 Histoplasma capsulatum Ab (CSF, qualitative) · Microbiology 22345-3 Histoplasma capsulatum Ab (qualitative) · Microbiology 22346-1 Histoplasma capsulatum Ab · Microbiology 22347-9 Histoplasma capsulatum IgA Ab (qualitative) · Microbiology 22348-7 Histoplasma capsulatum IgA Ab · Microbiology 22349-5 Histoplasma capsulatum IgE Ab (qualitative) · Microbiology 22350-3 Histoplasma capsulatum IgG Ab · Microbiology 22351-1 Histoplasma capsulatum IgM Ab (qualitative) · Microbiology 22352-9 Histoplasma capsulatum IgM Ab · Microbiology 22353-7 Histoplasma capsulatum mycelial phase Ab · Microbiology 22354-5 Histoplasma capsulatum yeast phase Ab · Microbiology 22355-2 HIV 1 Ab · Microbiology 22356-0 HIV 1+2 Ab · Microbiology 22357-8 HIV 2 Ab · Microbiology 22358-6 HTLV I Ab (qualitative) · Microbiology 22359-4 HTLV I IgG Ab (qualitative) · Microbiology 22360-2 HTLV I+II Ab (CSF, qualitative) · Microbiology 22361-0 HTLV I+II Ab (qualitative) · Microbiology 22362-8 HTLV I+II Ab · Microbiology 22363-6 Infectious bursal disease virus Ab (qualitative) · Microbiology 22364-4 Influenza virus A Ab · Microbiology 22365-1 Influenza virus A+B Ab · Microbiology 22366-9 Influenza virus B Ab · Microbiology 22367-7 Influenza virus C Ab · Microbiology 22368-5 Japanese encephalitis virus Ab (CSF, qualitative) · Microbiology 22369-3 Japanese encephalitis virus Ab (qualitative) · Microbiology 22370-1 Junin virus Ab (qualitative) · Microbiology 22371-9 La Crosse virus Ab · Microbiology 22372-7 La Crosse virus IgG Ab (CSF) · Microbiology 22373-5 La Crosse virus IgG Ab · Microbiology 22374-3 La Crosse virus IgM Ab (CSF) · Microbiology 22375-0 La Crosse virus IgM Ab · Microbiology 22376-8 Lassa virus IgG Ab (qualitative) · Microbiology 22377-6 Lassa virus IgG Ab · Microbiology 22378-4 Lassa virus IgM Ab (qualitative) · Microbiology 22379-2 Lassa virus IgM Ab · Microbiology 22380-0 Legionella pneumophila 1 IgG Ab · Microbiology 22381-8