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 105 of 2,187 · by category · by group · panels · answer lists · parts
Hepatitis D virus Ab (radioimmunoassay (ria)) · Microbiology 5201-9 Herpes simplex virus Ab (immunoassay) · Microbiology 5202-7 Herpes simplex virus Ab (latex agglutination) · Microbiology 5203-5 Herpes simplex virus Ab (complement fixation) · Microbiology 5204-3 Herpes simplex virus 1 Ab (immunoassay) · Microbiology 5205-0 Herpes simplex virus 1 IgG Ab (immunoassay) · Microbiology 5206-8 Herpes simplex virus 1 IgM Ab (immunoassay) · Microbiology 5207-6 Herpes simplex virus 2 Ab (immunoassay) · Microbiology 5208-4 Herpes simplex virus 2 IgG Ab (immunoassay) · Microbiology 5209-2 Herpes simplex virus 2 IgM Ab (immunoassay) · Microbiology 5210-0 Herpes virus 6 IgG Ab · Microbiology 5211-8 Herpes virus 6 IgM Ab · Microbiology 5212-6 Heterophile Ab (qualitative, latex agglutination) · Microbiology 5213-4 Heterophile Ab (qualitative, latex agglutination) · Microbiology 5214-2 Heterophile Ab (latex agglutination) · Microbiology 5215-9 Heterophile Ab after absorption (latex agglutination) · Microbiology 5216-7 Histone Ab (qualitative, immunofluorescence) · Serology 5217-5 Histoplasma capsulatum Ab (qualitative, immune diffusion (id)) · Microbiology 5218-3 Histoplasma capsulatum Ab (complement fixation) · Microbiology 5219-1 HIV 1 Ab (immunoassay) · Microbiology 5220-9 HIV 1 Ab (qualitative, immunoblot) · Microbiology 5221-7 HIV 1 Ag (qualitative, immunoassay) · Microbiology 5222-5 HIV 1+2 Ab (immunoassay) · Microbiology 5223-3 HIV 2 Ab (immunoassay) · Microbiology 5224-1 HIV 2 Ab (qualitative, immunoblot) · Microbiology 5225-8 HTLV I+II Ab (immunoassay) · Microbiology 5226-6 Streptococcal hyaluronidase Ab (qualitative) · Microbiology 5227-4 Immune complex · Serology 5228-2 Influenza virus A Ab (complement fixation) · Microbiology 5229-0 Influenza virus B Ab (complement fixation) · Microbiology 5230-8 Influenza virus C Ab (complement fixation) · Microbiology 5231-6 Insulin Ab (radioimmunoassay (ria)) · Serology 5232-4 Intrinsic factor Ab (qualitative, radioimmunoassay (ria)) · Serology 5233-2 Jo-1 extractable nuclear Ab (qualitative, immunoassay) · Serology 5234-0 Jo-1 extractable nuclear Ab (qualitative, immune diffusion (id)) · Serology 5235-7 Legionella pneumophila Ab (qualitative, immunofluorescence) · Microbiology 5236-5 Legionella pneumophila Ab (immunofluorescence) · Microbiology 5237-3 Leishmania sp Ab · Microbiology 5238-1 Leptospira sp Ab (latex agglutination) · Microbiology 5239-9 Listeria monocytogenes Ab · Microbiology 5240-7 Lymphocytic choriomeningitis virus Ab (complement fixation) · Microbiology 5241-5 Measles virus Ab (immunoassay) · Microbiology 5242-3 Measles virus Ab (complement fixation) · Microbiology 5243-1 Measles virus IgG Ab (immunoassay) · Microbiology 5244-9 Measles virus IgM Ab (immunofluorescence) · Microbiology 5245-6 Saccharopolyspora rectivirgula Ab · Microbiology 5246-4 Mitochondria Ab (immunofluorescence) · Serology 5247-2 Mucor sp Ab · Microbiology 5248-0 Mumps virus Ab (complement fixation) · Microbiology 5249-8 Mumps virus Ab (immunofluorescence) · Microbiology 5250-6