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 496 of 2,187 · by category · by group · panels · answer lists · parts
Formate/Creatinine (Urine) · Drug and toxicology 25100-9 Fumarate/Creatinine (Urine) · Chemistry 25101-7 Galactose/Creatinine (Urine) · Chemistry 25102-5 Glutaconate/Creatinine (Urine) · Chemistry 25103-3 Glutarate/Creatinine (Urine) · Chemistry 25104-1 Glycerate/Creatinine (Urine) · Chemistry 25105-8 Glycolate/Creatinine (Urine) · Chemistry 25106-6 Glyoxylate/Creatinine (Urine) · Chemistry 25107-4 Hydroxydecanedioate/Creatinine (Urine) · Chemistry 25108-2 Hydroxylysine/Creatinine (Urine) · Chemistry 25109-0 Hydroxyproline/Creatinine (Urine) · Chemistry 25110-8 Isocitrate/Creatinine (Urine) · Chemistry 25111-6 Lactate/Creatinine (Urine) · Chemistry 25112-4 Malate/Creatinine (Urine) · Chemistry 25113-2 2-Methylcitrate/Creatinine (Urine) · Chemistry 25114-0 Methylmalonate/Creatinine in 24 hour Urine · Chemistry 25115-7 Methylmalonate/Creatinine (Urine) · Chemistry 25116-5 Methylsuccinate/Creatinine (Urine) · Chemistry 25117-3 Mevalonate/Creatinine (Urine) · Chemistry 25118-1 N-acetyltyrosine/Creatinine (Urine) · Chemistry 25119-9 Octanoate (C8:0)/Creatinine (Urine) · Chemistry 25120-7 Octenedioate (C8:1)/Creatinine (Urine) · Chemistry 25121-5 Phosphoethanolamine/Creatinine (Urine) · Chemistry 25122-3 Para nitrophenol/Creatinine (Urine) · Drug and toxicology 25123-1 Phenylacetate/Creatinine (Urine) · Drug and toxicology 25124-9 Phenyllactate/Creatinine (Urine) · Chemistry 25125-6 Phenylpyruvate/Creatinine (Urine) · Chemistry 25126-4 Phosphate/Creatinine in 24 hour Urine · Chemistry 25127-2 Phosphoserine/Creatinine (Urine) · Chemistry 25128-0 Pyridinoline/Creatinine (Urine) · Chemistry 25129-8 Pyridinoline/Creatinine in 24 hour Urine · Chemistry 25130-6 Pyridinoline/Creatinine in 2 hour Urine · Chemistry 25131-4 Pyruvate/Creatinine (Urine) · Chemistry 25132-2 Sarcosine/Creatinine (Urine) · Chemistry 25133-0 Sebacate (C8)/Creatinine (Urine) · Chemistry 25134-8 Suberate/Creatinine (Urine) · Chemistry 25135-5 Succinate/Creatinine (Urine) · Chemistry 25136-3 Succinylacetone/Creatinine (Urine) · Chemistry 25137-1 Taurine/Creatinine (Urine) · Chemistry 25138-9 Tryptophan/Creatinine (Urine) · Chemistry 25139-7 Uracil/Creatinine (Urine) · Chemistry 25140-5 Carnitine esters/Creatinine (Urine) · Chemistry 25141-3 5-Fluorocytosine --peak · Drug and toxicology 25142-1 5-Fluorocytosine --trough · Drug and toxicology 25143-9 Ammonium urate crystals sediment (Urine, microscopy high power field) · Urinalysis 25144-7 Bacteria sediment (Urine, qualitative, light microscopy) · Urinalysis 25145-4 Bilirubin crystals sediment (Urine, microscopy high power field) · Urinalysis 25146-2 Calcium carbonate crystals sediment (Urine, microscopy high power field) · Urinalysis 25147-0 Calcium oxalate crystals sediment (Urine, microscopy high power field) · Urinalysis 25148-8 Calcium phosphate crystals sediment (Urine, microscopy high power field) · Urinalysis 25149-6