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 450 of 2,187 · by category · by group · panels · answer lists · parts
Salicylates in Specimen · Drug and toxicology 22732-2 Phosphate in Specimen · Chemistry 22733-0 Ethylene glycol in Specimen · Drug and toxicology 22734-8 Bicarbonate in Specimen · Chemistry 22735-5 Acetaminophen in Specimen · Drug and toxicology 22736-3 Phenylalanine in Specimen · Chemistry 22737-1 Urea in Specimen · Chemistry 22738-9 Tyrosine in Specimen · Chemistry 22739-7 Threonine in Specimen · Chemistry 22740-5 Serine in Specimen · Chemistry 22741-3 Propylene glycol in Specimen · Drug and toxicology 22742-1 Proline in Specimen · Chemistry 22743-9 Copper in Specimen · Drug and toxicology 22744-7 Ethanol (Urine) · Drug and toxicology 22745-4 Gentamicin --peak · Drug and toxicology 22746-2 Gentamicin --trough · Drug and toxicology 22747-0 Cholesterol in LDL · Chemistry 22748-8 Amylase.pancreatic (Urine) · Chemistry 22749-6 Tobramycin --random · Drug and toxicology 22750-4 Tobramycin --peak · Drug and toxicology 22751-2 Tobramycin --trough · Drug and toxicology 22752-0 Iron binding capacity.unsaturated · Chemistry 22753-8 Dibucaine number · Chemistry 22754-6 Haemophilus influenzae B Ab · Microbiology 22755-3 HLA-DR (CSF) · HLA typing 22756-1 Metanephrine in 24 hour Urine · Chemistry 22757-9 Plasminogen activator inhibitor 1 Ag in Platelet poor plasma (immunoassay) · Coagulation 22758-7 Platelet Ab · Serology 22759-5 Potassium · Chemistry 22760-3 Pristanate (C15:0(CH3)4) · Chemistry 22761-1 Streptococcus pneumoniae 12 IgG Ab · Microbiology 22762-9 Ammonia · Chemistry 22763-7 Actinobacillus pleuropneumoniae Ab (qualitative, complement fixation) · Microbiology 22764-5 Adult fly identified in Specimen · Microbiology 22765-2 African horse sickness virus Ab (qualitative, immunoassay) · Microbiology 22766-0 African horse sickness virus Ab (qualitative, immunoblot) · Microbiology 22767-8 African horse sickness virus Ab (qualitative, complement fixation) · Microbiology 22768-6 African horse sickness virus neutralizing antibody (neutralization test) · Microbiology 22769-4 African horse sickness virus Ab · Microbiology 22770-2 African horse sickness virus Ab (qualitative) · Microbiology 22771-0 African horse sickness virus Ag (Tissue, qualitative, immunoassay) · Microbiology 22772-8 African horse sickness virus Ag in Specimen (qualitative, immunoassay) · Microbiology 22773-6 African horse sickness virus RNA (Tissue, qualitative, naa with probe detection) · Microbiology 22774-4 African horse sickness virus serotype (neutralization test) · Microbiology 22775-1 African horse sickness virus serotype in Specimen (neutralization test) · Microbiology 22776-9 African swine fever virus Ab (Body Fluid, qualitative, immunoassay) · Microbiology 22777-7 African swine fever virus Ab (Body Fluid, qualitative) · Microbiology 22778-5 African swine fever virus Ab (qualitative) · Microbiology 22779-3 African swine fever virus Ab (qualitative, immunoassay) · Microbiology 22780-1 African swine fever virus Ag in Specimen (qualitative, agglutination) · Microbiology 22781-9