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 427 of 2,187 · by category · by group · panels · answer lists · parts
Trichloroethylene (Blood) · Drug and toxicology 21579-8 Trimethobenzamide in Specimen · Drug and toxicology 21580-6 Trout IgG Ab RAST class (qualitative) · Allergy 21581-4 Tryptase · Chemistry 21582-2 Turkey IgG Ab RAST class (qualitative) · Allergy 21583-0 Turkey feather IgE Ab RAST class (qualitative) · Allergy 21584-8 Uranium in 24 hour Urine · Drug and toxicology 21585-5 Uranium in 24 hour Urine · Drug and toxicology 21586-3 Urate in 24 hour Urine · Chemistry 21587-1 Urobilinogen (Stool) · Chemistry 21588-9 Barley smut+Wheat smut IgE Ab RAST class (qualitative) · Allergy 21589-7 Valproate.bound/Valproate.total · Drug and toxicology 21590-5 Vanilla IgG Ab RAST class (qualitative) · Allergy 21591-3 Varicella zoster virus Ab (CSF) · Microbiology 21592-1 Varicella zoster virus Ab · Microbiology 21594-7 Varicella zoster virus IgG Ab (CSF, immunofluorescence) · Microbiology 21595-4 Varicella zoster virus IgM Ab (CSF, immunofluorescence) · Microbiology 21596-2 Varicella zoster virus IgM Ab (qualitative) · Microbiology 21597-0 Varicella zoster virus DNA (CSF, qualitative, naa with probe detection) · Microbiology 21598-8 Venison IgE Ab RAST class (qualitative) · Allergy 21599-6 English Walnut IgE Ab RAST class (qualitative) · Allergy 21600-2 Watermelon IgG Ab RAST class (qualitative) · Allergy 21601-0 Wheat IgG Ab RAST class (qualitative) · Allergy 21602-8 Wheat dust IgE Ab · Allergy 21603-6 Wheat dust IgE Ab RAST class (qualitative) · Allergy 21604-4 Whitefish IgG Ab RAST class (qualitative) · Allergy 21605-1 Xylose --2nd specimen post XXX challenge · Challenge tests 21606-9 Baker's yeast IgG Ab RAST class (qualitative) · Allergy 21607-7 Brewer's yeast IgG Ab RAST class (qualitative) · Allergy 21608-5 Yogurt IgE Ab RAST class (qualitative) · Allergy 21609-3 Zinc in 24 hour Urine · Drug and toxicology 21610-1 Age estimated · MISC 21611-9 Age - Reported · MISC 21612-7 Chlamydia trachomatis DNA in Specimen (qualitative, naa with probe detection) · Microbiology 21613-5 CDKN2A gene deletion or Tissue (Blood, qualitative, molecular genetics method) · MOLPATH.DEL 21614-3 CDKN2B gene deletion or Tissue (Blood, qualitative, molecular genetics method) · MOLPATH.DEL 21615-0 APC gene mutations found or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 21616-8 APC gene p.Ile1307Lys or Tissue (Blood, qualitative, molecular genetics method) · Molecular pathology, mutations 21617-6 APC gene mutations tested for or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 21618-4 APOE gene mutations found or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 21619-2 STS gene deletion or Tissue (Blood, qualitative, molecular genetics method) · MOLPATH.DEL 21620-0 ASPA gene p.Glu285Ala or Tissue (Blood, qualitative, molecular genetics method) · Molecular pathology, mutations 21622-6 ASPA gene mutations tested for or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 21623-4 ATM gene mutations found or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 21624-2 ATM gene mutations tested for or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 21625-9 ATP7B gene mutations found or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 21626-7 ATP7B gene c.2010_2016del or Tissue (Blood, qualitative, molecular genetics method) · Molecular pathology, mutations 21627-5 ATP7B gene c.2337delC or Tissue (Blood, qualitative, molecular genetics method) · Molecular pathology, mutations 21628-3 ATP7B gene c.2487insT or Tissue (Blood, qualitative, molecular genetics method) · Molecular pathology, mutations 21629-1 ATP7B gene c.1711G>C or Tissue (Blood, qualitative, molecular genetics method) · Molecular pathology, mutations 21630-9