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 406 of 2,187 · by category · by group · panels · answer lists · parts
Amitriptyline+Nortriptyline (Urine, confirmatory method) · Drug and toxicology 20516-1 Aprobarbital (Urine, confirmatory method) · Drug and toxicology 20517-9 Barbital (Urine, confirmatory method) · Drug and toxicology 20518-7 Cocaine (Urine, confirmatory method) · Drug and toxicology 20519-5 Bromazepam (Urine, confirmatory method) · Drug and toxicology 20520-3 Carboxy tetrahydrocannabinol (Urine, confirmatory method) · Drug and toxicology 20521-1 chlordiazePOXIDE (Urine, confirmatory method) · Drug and toxicology 20522-9 chlorproMAZINE (Urine, confirmatory method) · Drug and toxicology 20523-7 Tetrahydrocannabinol (Urine, confirm method) · Drug and toxicology 20524-5 Dextroamphetamine (Urine, confirmatory method) · Drug and toxicology 20525-2 Dimetamphetamine (Urine, confirmatory method) · Drug and toxicology 20526-0 Ethylmorphine (Urine, confirmatory method) · Drug and toxicology 20527-8 Flunitrazepam (Urine, confirmatory method) · Drug and toxicology 20528-6 FLUoxetine (Urine, confirmatory method) · Drug and toxicology 20529-4 Haloperidol (Urine, confirmatory method) · Drug and toxicology 20530-2 Hydroxyalprazolam (Urine, confirm method) · Drug and toxicology 20531-0 Hydroxyethylflurazepam (Urine, confirmatory method) · Drug and toxicology 20532-8 Hydroxytriazolam (Urine, qualitative, confirmatory method) · Drug and toxicology 20533-6 Hydroxytriazolam (Urine, confirm method) · Drug and toxicology 20534-4 Hydroxytriazolam cutoff for Confirmatory method (Urine) · Drug and toxicology 20535-1 Hydroxytriazolam cutoff for Screen method (Urine) · Drug and toxicology 20536-9 Ketamine (Urine, confirmatory method) · Drug and toxicology 20537-7 Methotrimeprazine (Urine, confirmatory method) · Drug and toxicology 20538-5 Levomepromazine (Urine, confirm method) · Drug and toxicology 20539-3 Levorphanol (Urine, confirmatory method) · Drug and toxicology 20540-1 Lormetazepam (Urine, confirmatory method) · Drug and toxicology 20541-9 Lysergate diethylamide (Urine, confirmatory method) · Drug and toxicology 20542-7 Mescaline (Urine, confirmatory method) · Drug and toxicology 20543-5 Mesoridazine (Urine, confirmatory method) · Drug and toxicology 20544-3 Methylenedioxyamphetamine (Urine, confirmatory method) · Drug and toxicology 20545-0 Methylenedioxyamphetamine cutoff for Confirmatory method (Urine) · Drug and toxicology 20546-8 MethylePHEDrine (Urine, confirmatory method) · Drug and toxicology 20547-6 Methylphenidate (Urine, confirmatory method) · Drug and toxicology 20548-4 Methyprylon (Urine, confirmatory method) · Drug and toxicology 20549-2 Morphine Free (Urine, confirmatory method) · Drug and toxicology 20550-0 Nalbuphine (Urine, confirmatory method) · Drug and toxicology 20551-8 Nitrazepam (Urine, confirmatory method) · Drug and toxicology 20552-6 Norfluoxetine (Urine, confirmatory method) · Drug and toxicology 20553-4 Para hydroxyamphetamine (Urine, confirmatory method) · Drug and toxicology 20554-2 Phenmetrazine (Urine, confirmatory method) · Drug and toxicology 20555-9 Phenothiazines (Urine, confirmatory method) · Drug and toxicology 20556-7 Phentermine (Urine, confirmatory method) · Drug and toxicology 20557-5 Psilocin (Urine, confirmatory method) · Drug and toxicology 20558-3 Temazepam (Urine, confirmatory method) · Drug and toxicology 20559-1 Thioridazine (Urine, confirmatory method) · Drug and toxicology 20560-9 traMADol (Urine, confirmatory method) · Drug and toxicology 20561-7 Left ventricular Stroke volume · HEMODYN.MOLEC 20562-5 Carboxyhemoglobin/Hemoglobin.total (Blood) · Chemistry 20563-3 Oxygen saturation (Blood) · HEMODYN.MOLEC 20564-1 Carbon dioxide, total (Blood) · Chemistry 20565-8