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 408 of 2,187 · by category · by group · panels · answer lists · parts
CD16+CD56+ cells/cells in Specimen · Cell markers 20620-1 Albumin/Creatinine (Urine, test strip) · Chemistry 20621-9 Cortisol in 24 hour Urine · Chemistry 20622-7 Coproporphyrin in 24 hour Urine · Chemistry 20623-5 Creatinine in 24 hour Urine · Chemistry 20624-3 Lead in 24 hour Urine · Drug and toxicology 20625-0 Reducing substances (Urine, test strip) · Urinalysis 20626-8 Turbidity Qualitative (Urine, qualitative) · SPEC 20627-6 Terminal Deoxyribonucleotidyl Transferase blasts/Blasts in Specimen (immunoperoxidase stain) · Cell markers 20628-4 levoFLOXacin · Antibiotic susceptibility 20629-2 Activated T cells lymphocytes/Lymphocytes.small (Blood) · Cell markers 20631-8 Activated T cells lymphocytes/Lymphocytes.small in Specimen · Cell markers 20632-6 1-Methylhistidine · Chemistry 20633-4 Alpha aminobutyrate · Chemistry 20634-2 3-Methylhistidine · Chemistry 20635-9 Alanine · Chemistry 20636-7 Arginine · Chemistry 20637-5 Asparagine · Chemistry 20638-3 Aspartate · Chemistry 20639-1 Citrulline · Chemistry 20640-9 Cysteine · Chemistry 20641-7 Glutamate · Chemistry 20642-5 Glutamine · Chemistry 20643-3 Glycine · Chemistry 20644-1 Histidine · Chemistry 20645-8 Homocystine · Chemistry 20646-6 Hydroxyproline · Chemistry 20647-4 Isoleucine · Chemistry 20648-2 Leucine · Chemistry 20649-0 Lysine · Chemistry 20650-8 Methionine · Chemistry 20651-6 Ornithine · Chemistry 20652-4 Phenylalanine · Chemistry 20653-2 Phosphoserine · Chemistry 20654-0 Proline · Chemistry 20655-7 Serine · Chemistry 20656-5 Taurine · Chemistry 20657-3 Threonine · Chemistry 20658-1 Tryptophan · Chemistry 20659-9 Tyrosine · Chemistry 20660-7 Valine · Chemistry 20661-5 Allergens tested for · Allergy 20662-3 Tricyclic antidepressants (Urine, screen method) · Drug and toxicology 20663-1 Barbiturates (Urine, screen method) · Drug and toxicology 20664-9 Echovirus 14 neutralizing antibody (neutralization test) · Microbiology 20665-6 Echovirus Ab · Microbiology 20666-4 Cardiolipin IgA Ab · Coagulation 20669-8 Amino acids · Chemistry 20671-4 Actinobacillus pleuropneumoniae serotype in Isolate · Microbiology 20672-2 Actinobacillus pleuropneumoniae Ab (qualitative) · Microbiology 20673-0