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 115 of 2,187 · by category · by group · panels · answer lists · parts
Nickel (Hair) · Drug and toxicology 5701-8 Nickel · Drug and toxicology 5702-6 Nickel in 24 hour Stool · Drug and toxicology 5703-4 Nickel (Urine, qualitative) · Drug and toxicology 5704-2 Nickel in 24 hour Urine · Drug and toxicology 5705-9 Opiates (Urine) · Drug and toxicology 5706-7 Opiates (Urine) · Drug and toxicology 5707-5 Paraquat (Blood) · Drug and toxicology 5708-3 Paraquat · Drug and toxicology 5709-1 Pentachlorophenol · Drug and toxicology 5710-9 Pentachlorophenol (Urine) · Drug and toxicology 5711-7 Pentachlorophenol (Urine) · Drug and toxicology 5712-5 Platinum (Hair) · Drug and toxicology 5713-3 Platinum · Drug and toxicology 5714-1 Platinum (Urine) · Drug and toxicology 5715-8 Polychlorinated biphenyl (PCB) · Drug and toxicology 5716-6 Polychlorinated biphenyl (PCB) (Urine) · Drug and toxicology 5717-4 Rubidium (Blood) · Drug and toxicology 5718-2 Rubidium (Hair) · Drug and toxicology 5719-0 Rubidium · Drug and toxicology 5720-8 Rubidium (Urine) · Drug and toxicology 5721-6 Selenium (Blood) · Drug and toxicology 5722-4 Selenium (Red Blood Cells) · Drug and toxicology 5723-2 Selenium · Drug and toxicology 5724-0 Selenium (Tissue) · Drug and toxicology 5725-7 Selenium (Urine) · Drug and toxicology 5726-5 Selenium in 24 hour Urine · Drug and toxicology 5727-3 Silicon (Blood) · Drug and toxicology 5728-1 Silicate · Drug and toxicology 5729-9 Silicate (Tissue) · Drug and toxicology 5730-7 Silicate (Urine) · Drug and toxicology 5731-5 Silver (Blood) · Drug and toxicology 5732-3 Silver (Hair) · Drug and toxicology 5733-1 Silver · Drug and toxicology 5734-9 Silver (Urine) · Drug and toxicology 5735-6 Strontium · Drug and toxicology 5736-4 Strychnine (qualitative) · Drug and toxicology 5737-2 Strychnine · Drug and toxicology 5738-0 Strychnine (Urine, qualitative) · Drug and toxicology 5739-8 Strychnine (Urine) · Drug and toxicology 5740-6 Strychnine in 24 hour Urine · Drug and toxicology 5741-4 Tellurium (Urine) · Drug and toxicology 5742-2 Thallium (Blood) · Drug and toxicology 5743-0 Thallium · Drug and toxicology 5744-8 Thallium (Urine) · Drug and toxicology 5745-5 Thallium in 24 hour Urine · Drug and toxicology 5746-3 Tin (Blood) · Drug and toxicology 5747-1 Tin · Drug and toxicology 5748-9 Titanium (Urine) · Drug and toxicology 5749-7 Toluene · Drug and toxicology 5750-5