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 13 of 2,187 · by category · by group · panels · answer lists · parts
Fungus identified (Blood, culture) · Microbiology 601-5 Bacteria identified in Bone (aerobe culture) · Microbiology 602-3 Bacteria identified in Burn (culture) · Microbiology 603-1 Bacteria identified in Bronchial specimen (aerobe culture) · Microbiology 604-9 Bacteria identified in Cannula specimen (aerobe culture) · Microbiology 605-6 Bacteria identified (CSF, culture) · Microbiology 606-4 Bacteria identified in Drain (aerobe culture) · Microbiology 607-2 Bacteria identified in Ear (aerobe culture) · Microbiology 608-0 Bacteria identified in Eye (aerobe culture) · Microbiology 609-8 Bacteria identified (Body Fluid, aerobe culture) · Microbiology 610-6 Bacteria identified (Body Fluid, culture) · Microbiology 611-4 Bacterial strain in Isolate (bacteria subtyping) · Microbiology 612-2 Fungal strain in Isolate (fungus subtyping) · Microbiology 613-0 Mycobacterial strain in Isolate (mycobacterial subtyping) · Microbiology 614-8 Viral strain in Isolate (viral subtyping) · Microbiology 615-5 Bacteria identified in Line specimen (iv line culture) · Microbiology 616-3 Bacteria identified in Placenta (aerobe culture) · Microbiology 617-1 Bacteria identified (Pleural Fluid, culture) · Microbiology 618-9 Bacteria identified (Peritoneal Fluid, culture) · Microbiology 619-7 Bacteria identified in Skin (aerobe culture) · Microbiology 620-5 Bacteria identified (Synovial Fluid, culture) · Microbiology 621-3 Bacteria identified in Sputum (aerobe culture) · Microbiology 622-1 Bacteria identified in Sputum (cystic fibrosis respiratory culture) · Microbiology 623-9 Bacteria identified in Sputum (respiratory culture) · Microbiology 624-7 Bacteria identified (Stool, culture) · Microbiology 625-4 Bacteria identified in Throat (culture) · Microbiology 626-2 Bacteria identified (Tissue, aerobe culture) · Microbiology 627-0 Bacteria identified (Tissue, anaerobe culture) · Microbiology 628-8 Bacteria identified in Ulcer (aerobe culture) · Microbiology 629-6 Bacteria identified (Urine, culture) · Microbiology 630-4 Bacteria identified in Unknown substance (aerobe culture) · Microbiology 631-2 Bacteria identified in Wound (aerobe culture) · Microbiology 632-0 Bacteria identified in Wound (anaerobe culture) · Microbiology 633-8 Bacteria identified in Specimen (aerobe culture) · Microbiology 634-6 Bacteria identified in Specimen (anaerobe culture) · Microbiology 635-3 Bacteria identified in Specimen (sterile body fluid culture) · Microbiology 636-1 Plasmodium sp identified (Blood, thick film) · Microbiology 637-9 Microscopic observation (CSF, india ink prep) · Microbiology 638-7 Microscopic observation (CSF, koh preparation) · Microbiology 639-5 Microscopic observation in Gastric fluid (acid fast stain.kinyoun) · Microbiology 640-3 Microscopic observation in Gastric fluid (acid fast stain.kinyoun modified) · Microbiology 641-1 Microscopic observation in Gastric fluid (acid fast stain.ziehl-neelsen) · Microbiology 642-9 Microscopic observation in Pus (gram stain) · Microbiology 643-7 Microscopic observation in Skin (koh preparation) · Microbiology 644-5 Microscopic observation in Sputum (acid fast stain.kinyoun) · Microbiology 645-2 Microscopic observation in Sputum (acid fast stain.kinyoun modified) · Microbiology 646-0 Microscopic observation in Sputum (acid fast stain.ziehl-neelsen) · Microbiology 647-8 Microscopic observation in Sputum (gram stain) · Microbiology 648-6 Microscopic observation (Stool, gram stain) · Microbiology 649-4 Microscopic observation (Urine, acid fast stain.kinyoun) · Microbiology 650-2