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 448 of 2,187 · by category · by group · panels · answer lists · parts
Xylose/Xylose dose in 5 hour Urine --post dose xylose PO · Challenge tests 22632-4 Pathology report site of origin Narrative · TUMRRGT 22633-2 Pathology report gross observation Narrative · TUMRRGT 22634-0 Pathology report microscopic observation Narrative Other stain · TUMRRGT 22635-7 Pathology report relevant history Narrative · TUMRRGT 22636-5 Pathology report final diagnosis Narrative · TUMRRGT 22637-3 Pathology report comments Narrative · TUMRRGT 22638-1 Pathology report supplemental reports Narrative · TUMRRGT 22639-9 Pathology report staging evidence Narrative · TUMRRGT 22640-7 Glutamine (CSF) · Chemistry 22641-5 Tyrosine (CSF) · Chemistry 22642-3 Threonine (CSF) · Chemistry 22643-1 Serine (CSF) · Chemistry 22644-9 Proline (CSF) · Chemistry 22645-6 Phenylalanine (CSF) · Chemistry 22646-4 Ornithine (CSF) · Chemistry 22647-2 Methionine (CSF) · Chemistry 22648-0 Valine (CSF) · Chemistry 22649-8 Glycine (CSF) · Chemistry 22650-6 Lysine (CSF) · Chemistry 22651-4 Glutamate (CSF) · Chemistry 22652-2 Cystine (CSF) · Chemistry 22653-0 Citrulline (CSF) · Chemistry 22654-8 Aspartate (CSF) · Chemistry 22655-5 Arginine (CSF) · Chemistry 22656-3 Alanine (CSF) · Chemistry 22657-1 Alloisoleucine (CSF) · Chemistry 22658-9 Isoleucine (CSF) · Chemistry 22659-7 Homocystine (CSF) · Chemistry 22660-5 Coproporphyrin · Chemistry 22661-3 Uroporphyrin · Chemistry 22662-1 Estrone (E1) · Chemistry 22663-9 Urea · Chemistry 22664-7 Bilirubin.delta · Chemistry 22665-4 Busulfan · Drug and toxicology 22666-2 Fatty acids.nonesterified · Chemistry 22667-0 Propylene glycol · Drug and toxicology 22668-8 Glutamate · Chemistry 22669-6 Alloisoleucine · Chemistry 22670-4 Phytanate (C16:0(CH3)4) · Chemistry 22671-2 Cystine · Chemistry 22672-0 Homocystine · Chemistry 22673-8 Transferrin · Chemistry 22674-6 Angiotensin converting enzyme · Chemistry 22675-3 7-Dehydrocholesterol (qualitative) · Chemistry 22676-1 Aspartate · Chemistry 22677-9 Ethylene glycol (Urine) · Drug and toxicology 22678-7 Lysine/Creatinine (Urine) · Chemistry 22679-5 Mercury/Creatinine (Urine) · Drug and toxicology 22680-3 Methionine/Creatinine (Urine) · Chemistry 22681-1