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 14 of 2,187 · by category · by group · panels · answer lists · parts
Microscopic observation (Urine, acid fast stain.kinyoun modified) · Microbiology 651-0 Microscopic observation (Urine, acid fast stain.ziehl-neelsen) · Microbiology 652-8 Microscopic observation (Urine, gram stain) · Microbiology 653-6 Microscopic observation in Specimen (acid fast stain.kinyoun) · Microbiology 654-4 Microscopic observation in Specimen (acid fast stain.kinyoun modified) · Microbiology 655-1 Microscopic observation in Specimen (acid fast stain.ziehl-neelsen) · Microbiology 656-9 Microscopic observation in Specimen (acridine orange stain) · Microbiology 657-7 Microscopic observation in Specimen (calcofluor white) · Microbiology 658-5 Microscopic observation in Specimen (carbol-fuchsin stain) · Microbiology 659-3 Microscopic observation in Specimen (dark field examination) · Microbiology 660-1 Microscopic observation in Specimen (dry mount) · Microbiology 661-9 Microscopic observation in Specimen (giemsa stain) · Microbiology 662-7 Microscopic observation in Specimen (gimenez stain) · Microbiology 663-5 Microscopic observation in Specimen (gram stain) · Microbiology 664-3 Microscopic observation in Specimen (hematoxylin and eosin stain) · Microbiology 665-0 Microscopic observation in Specimen (india ink prep) · Microbiology 666-8 Microscopic observation in Specimen (koh preparation) · Microbiology 667-6 Microscopic observation in Specimen (m'fadyean stain) · Microbiology 668-4 Microscopic observation in Specimen (macchiavello stain) · Microbiology 669-2 Microscopic observation in Specimen (methenamine silver nitrate stain) · Microbiology 670-0 Microscopic observation in Specimen (methylene blue stain.loeffler) · Microbiology 671-8 Microscopic observation in Specimen (neisser stain) · Microbiology 672-6 Ova and parasites identified in Specimen (light microscopy) · Microbiology 673-4 Microscopic observation in Specimen (periodic acid-schiff stain) · Microbiology 674-2 Enterobius vermicularis in Specimen (qualitative, pinworm exam) · Microbiology 675-9 Microscopic observation in Specimen (rhodamine-auramine fluorochrome stain) · Microbiology 676-7 Microscopic observation in Specimen (toluidine blue o stain) · Microbiology 677-5 Microscopic observation in Specimen (trichrome stain) · Microbiology 678-3 Microscopic observation in Specimen (warthin-starry stain) · Microbiology 679-1 Microscopic observation in Specimen (wet preparation) · Microbiology 680-9 Microscopic observation in Specimen (wright stain) · Microbiology 681-7 Microscopic observation in Specimen (wright giemsa stain) · Microbiology 682-5 Genital Mycoplasma identified in Genital specimen (organism specific culture) · Microbiology 683-3 Respiratory Mycoplasma identified in Sputum (organism specific culture) · Microbiology 684-1 Respiratory Mycoplasma identified in Throat (organism specific culture) · Microbiology 685-8 Respiratory Mycoplasma identified in Specimen (organism specific culture) · Microbiology 686-6 Mycoplasma sp and Ureaplasma sp in Specimen (organism specific culture) · Microbiology 687-4 Neisseria gonorrhoeae in Cervix (qualitative, organism specific culture) · Microbiology 688-2 Neisseria gonorrhoeae in Cervix (qualitative, organism specific culture) · Microbiology 689-0 Neisseria gonorrhoeae in Endometrium (qualitative, organism specific culture) · Microbiology 690-8 Neisseria gonorrhoeae in Genital specimen (qualitative, organism specific culture) · Microbiology 691-6 Neisseria gonorrhoeae in Genital lochia (qualitative, organism specific culture) · Microbiology 692-4 Neisseria gonorrhoeae in Vaginal fluid (qualitative, organism specific culture) · Microbiology 693-2 Neisseria gonorrhoeae (Semen, qualitative, organism specific culture) · Microbiology 694-0 Neisseria gonorrhoeae (Synovial Fluid, qualitative, organism specific culture) · Microbiology 695-7 Neisseria gonorrhoeae in Throat (qualitative, organism specific culture) · Microbiology 696-5 Neisseria gonorrhoeae in Urethra (qualitative, organism specific culture) · Microbiology 697-3 Neisseria gonorrhoeae in Specimen (qualitative, organism specific culture) · Microbiology 698-1 Organism count in Specimen (microscopic count) · Microbiology 699-9 Pneumocystis jirovecii Ag in Specimen (qualitative, immunofluorescence) · Microbiology 700-5