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 46 of 2,187 · by category · by group · panels · answer lists · parts
Estriol (E3) · Chemistry 2251-7 Estriol (E3) (Urine) · Chemistry 2252-5 Estriol (E3) in 24 hour Urine · Chemistry 2253-3 Estrogen · Chemistry 2254-1 Estrogen (Urine) · Chemistry 2255-8 Estrogen in 24 hour Urine · Chemistry 2256-6 Estrone (E1) (Semen) · Chemistry 2257-4 Estrone (E1) · Chemistry 2258-2 Estrone (E1) (Urine) · Chemistry 2259-0 Estrone (E1).unconjugated (Amniotic Fluid) · Chemistry 2260-8 Estrone (E1).unconjugated · Chemistry 2261-6 Estrone (E1).unconjugated in 24 hour Urine · Chemistry 2262-4 Ethanolamine · Chemistry 2263-2 Ethanolamine (Urine) · Chemistry 2264-0 Ethylmalonate (Urine) · Chemistry 2265-7 Etiocholanolone (Urine, qualitative) · Chemistry 2266-5 Etiocholanolone (Urine) · Chemistry 2267-3 Etiocholanolone in 24 hour Urine · Chemistry 2268-1 Complement factor B (Serum Or Plasma) · Hematology and blood count 2269-9 Fat (Stool, qualitative) · Chemistry 2270-7 Fat in 72 hour Stool · Chemistry 2271-5 Fat (Urine, qualitative) · Chemistry 2272-3 Fatty acids.esterified (Blood) · Chemistry 2273-1 Fatty acids.nonesterified · Chemistry 2274-9 Fatty acids · Chemistry 2275-6 Ferritin · Chemistry 2276-4 Ferrochelatase · Chemistry 2277-2 Fibrinopeptide B · Coagulation 2278-0 Fibrinopeptide A (Peritoneal Fluid) · Coagulation 2279-8 Fibronectin · Chemistry 2280-6 Flavin adenine dinucleotide · Chemistry 2281-4 Folate (Blood) · Chemistry 2282-2 Folate (Red Blood Cells) · Chemistry 2283-0 Folate · Chemistry 2284-8 Follitropin (Semen) · Chemistry 2285-5 Follitropin · Chemistry 2286-3 Follitropin in 24 hour Urine · Chemistry 2287-1 Follitropin.alpha subunit · Chemistry 2288-9 Follitropin.beta subunit · Chemistry 2289-7 Follitropin/Lutropin · Chemistry 2290-5 Formate (Blood) · Drug and toxicology 2291-3 Formate · Drug and toxicology 2292-1 Fructokinase · Chemistry 2293-9 Fructosamine · Chemistry 2294-7 Fructose (Semen) · Chemistry 2295-4 Fructose · Chemistry 2296-2 Fructose in 24 hour Urine · Chemistry 2297-0 FRUCTOSE ALDOLASE · Chemistry 2298-8 Aldolase (Red Blood Cells) · Chemistry 2299-6 FRUCTOSE BIPHOSPHATE ALDOLASE · Chemistry 2300-2