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 447 of 2,187 · by category · by group · panels · answer lists · parts
Toxoplasma gondii IgG Ab · Microbiology 22582-1 Toxoplasma gondii IgM Ab (CSF) · Microbiology 22583-9 Toxoplasma gondii IgM Ab · Microbiology 22584-7 Treponema pallidum Ab (Blood) · Microbiology 22585-4 Treponema pallidum Ab (CSF, qualitative) · Microbiology 22586-2 Treponema pallidum Ab (qualitative) · Microbiology 22587-0 Treponema pallidum Ab (qualitative) · Microbiology 22588-8 Treponema pallidum Ab · Microbiology 22589-6 Treponema pallidum Ab · Microbiology 22590-4 Treponema pallidum IgG Ab (qualitative) · Microbiology 22591-2 Treponema pallidum IgG Ab · Microbiology 22592-0 Treponema pallidum IgM Ab (qualitative) · Microbiology 22593-8 Treponema pallidum IgM Ab · Microbiology 22594-6 Trichinella spiralis Ab (qualitative) · Microbiology 22595-3 Trichinella spiralis Ab · Microbiology 22596-1 Trichinella spiralis IgA Ab (qualitative) · Microbiology 22597-9 Trichinella spiralis IgM Ab (qualitative) · Microbiology 22598-7 Trypanosoma cruzi Ab · Microbiology 22599-5 Varicella zoster virus Ab (qualitative) · Microbiology 22600-1 Varicella zoster virus IgG Ab (CSF) · Microbiology 22601-9 Varicella zoster virus IgG Ab · Microbiology 22602-7 Varicella zoster virus IgG Ab --1st specimen · Microbiology 22603-5 Varicella zoster virus IgG Ab --2nd specimen · Microbiology 22604-3 Varicella zoster virus IgM Ab (CSF) · Microbiology 22605-0 Varicella zoster virus IgM Ab · Microbiology 22606-8 Venezuelan equine encephalitis virus Ab · Microbiology 22607-6 Escherichia coli verotoxin 1 Ab (Stool) · Microbiology 22608-4 Escherichia coli verotoxin 2 Ab (Stool) · Microbiology 22609-2 Western equine encephalitis virus Ab (CSF, qualitative) · Microbiology 22610-0 Western equine encephalitis virus Ab (qualitative) · Microbiology 22611-8 Western equine encephalitis virus Ab · Microbiology 22612-6 Western equine encephalitis virus IgG Ab (CSF) · Microbiology 22613-4 Western equine encephalitis virus IgG Ab · Microbiology 22614-2 Western equine encephalitis virus IgM Ab (CSF) · Microbiology 22615-9 Western equine encephalitis virus IgM Ab · Microbiology 22616-7 Wuchereria bancrofti Ab (qualitative) · Microbiology 22617-5 Yellow fever virus Ab · Microbiology 22618-3 Yersinia enterocolitica IgA Ab · Microbiology 22619-1 Yersinia enterocolitica IgG Ab · Microbiology 22620-9 Yersinia enterocolitica IgM Ab · Microbiology 22621-7 Xylose --1 hour post 25 g xylose PO (Blood) · Challenge tests 22622-5 Xylose --2 hours post 25 g xylose PO (Blood) · Challenge tests 22623-3 Xylose --2 hours post 5 g xylose PO (Blood) · Challenge tests 22624-1 Xylose --2 hours post dose xylose PO (Blood) · Challenge tests 22625-8 Xylose in 5 hour Urine --post 25 g xylose PO · Challenge tests 22626-6 Xylose in 5 hour Urine --post 5 g xylose PO · Challenge tests 22627-4 Xylose in 5 hour Urine --post 25 g xylose PO · Challenge tests 22628-2 Xylose in 5 hour Urine --post 5 g xylose PO · Challenge tests 22629-0 Xylose/Xylose dose in 5 hour Urine --post 25 g xylose PO · Challenge tests 22630-8 Xylose/Xylose dose in 5 hour Urine --post 5 g xylose PO · Challenge tests 22631-6