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 45 of 2,187 · by category · by group · panels · answer lists · parts
Deoxycholate · Chemistry 2201-2 Deoxycholylglycine · Chemistry 2202-0 Dermatan sulfate · Chemistry 2203-8 Dermatan sulfate (Urine) · Chemistry 2204-6 Diacetate · Chemistry 2205-3 Dicarboxylate, C6-C8-C10 · Chemistry 2206-1 Dicarboxylate, C6-C8-C10 (Urine) · Chemistry 2207-9 Diethyl ether · Drug and toxicology 2208-7 Dihydrofolate · Chemistry 2209-5 Dihydrolipoamide acetyl transferase (Tissue) · Chemistry 2210-3 Dihydrolipoamide dehydrogenase (Tissue) · Chemistry 2211-1 Dihydropteridine reductase · Chemistry 2212-9 Dimethadione · Drug and toxicology 2213-7 Dinitrobenzene (Urine) · Drug and toxicology 2214-5 Dipalmitoylphosphatidylcholine · Chemistry 2215-2 DOPamine · Chemistry 2216-0 DOPamine (Urine) · Chemistry 2217-8 DOPamine in 24 hour Urine · Chemistry 2218-6 Dopamine beta-hydroxylase · Chemistry 2219-4 Elastase.pancreatic Free · Chemistry 2220-2 Elastase.pancreatic · Chemistry 2221-0 Elastase.pancreatic 2 · Chemistry 2222-8 Elastase.leukocyte · Chemistry 2223-6 Enolase · Chemistry 2224-4 Enolase.neuron specific · Chemistry 2225-1 Enteroglucagon · Chemistry 2226-9 Enteropeptidase · Chemistry 2227-7 Enterotoxin · Microbiology 2228-5 Epiandrosterone · Chemistry 2229-3 EPINEPHrine · Chemistry 2230-1 EPINEPHrine · Chemistry 2231-9 EPINEPHrine in 24 hour Urine · Chemistry 2232-7 Epitestosterone · Chemistry 2233-5 Epitestosterone (Urine, qualitative) · Chemistry 2234-3 Epitestosterone (Urine) · Chemistry 2235-0 Calciferol (Vit D2) · Chemistry 2236-8 Erythropoietin (EPO) · Chemistry 2237-6 Estradiol (E2) (oral fluid) (Saliva) · Chemistry 2238-4 Estradiol (E2) (Semen) · Chemistry 2239-2 Estradiol (E2) Free · Chemistry 2240-0 Estradiol (E2) Free (Tissue) · Chemistry 2241-8 Estradiol Free · Chemistry 2242-6 Estradiol (E2) · Chemistry 2243-4 Estradiol (Saliva) · Chemistry 2244-2 Estradiol (E2) (Tissue) · Chemistry 2245-9 Estradiol (E2).unconjugated in 24 hour Urine · Chemistry 2246-7 Estriol (E3).conjugated · Chemistry 2247-5 Estriol (E3) (Amniotic Fluid) · Chemistry 2248-3 Estriol (E3).unconjugated (Amniotic Fluid) · Chemistry 2249-1 Estriol (E3).unconjugated · Chemistry 2250-9