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 138 of 2,187 · by category · by group · panels · answer lists · parts
Penicillin G IgE Ab · Allergy 6851-0 Green Pepper IgE Ab · Allergy 6852-8 Plum IgE Ab · Allergy 6853-6 Pumpkin IgE Ab · Allergy 6854-4 Common Reed IgE Ab · Allergy 6855-1 Spinach IgE Ab · Allergy 6856-9 Spruce IgE Ab · Allergy 6857-7 Squid IgE Ab · Allergy 6858-5 Tobacco IgE Ab · Allergy 6859-3 Trichophyton rubrum IgE Ab · Allergy 6860-1 Vanilla IgG Ab · Allergy 6861-9 Black Willow IgE Ab · Allergy 6862-7 Prolymphocytes (manual count) · Hematology and blood count 6863-5 Hemoglobin S (qualitative, solubility test) · Hematology and blood count 6864-3 1-Methylhistidine in 24 hour Urine · Chemistry 6865-0 17-Hydroxycorticosteroids in 24 hour Urine · Chemistry 6866-8 3-Methylhistidine in 24 hour Urine · Chemistry 6867-6 Adenosine monophosphate.cyclic (Urine) · Chemistry 6868-4 Allo-tetrahydrocortisol in 24 hour Urine · Chemistry 6869-2 Alpha aminobutyrate in 24 hour Urine · Chemistry 6870-0 Anserine in 24 hour Urine · Chemistry 6871-8 Beta alanine in 24 hour Urine · Chemistry 6872-6 Beta hydroxybutyrate · Chemistry 6873-4 Calcium in 24 hour Urine · Chemistry 6874-2 Cancer Ag 15-3 · Chemistry 6875-9 Citrulline in 24 hour Urine · Chemistry 6876-7 Coproporphyrin 1 in 24 hour Urine · Chemistry 6877-5 Coproporphyrin 3 in 24 hour Urine · Chemistry 6878-3 Corticotropin (radioimmunoassay (ria)) · Chemistry 6879-1 Cystathionine in 24 hour Urine · Chemistry 6880-9 Ethanolamine in 24 hour Urine · Chemistry 6881-7 Gamma aminobutyrate in 24 hour Urine · Chemistry 6882-5 Glucose.protein bound · Chemistry 6883-3 Homocystine in 24 hour Urine · Chemistry 6884-1 Hydroxylysine in 24 hour Urine · Chemistry 6885-8 IgA subclass 1 · Chemistry 6886-6 Indicans in 24 hour Urine · Chemistry 6887-4 Alpha 2 globulin (Urine) · Chemistry 6888-2 Beta globulin in 24 hour Urine · Chemistry 6889-0 Gamma globulin in 24 hour Urine · Chemistry 6890-8 Testosterone.free+weakly bound/Testosterone.total · Chemistry 6891-6 Thyroxine (T4) free (dialysis) · Chemistry 6892-4 Urobilinogen in 24 hour Stool · Chemistry 6893-2 Zidovudine · Drug and toxicology 6894-0 Butalbital · Drug and toxicology 6895-7 cloZAPine · Drug and toxicology 6896-5 Norsertraline · Drug and toxicology 6897-3 dilTIAZem · Drug and toxicology 6898-1 Felbamate · Drug and toxicology 6899-9 Glutethimide (qualitative) · Drug and toxicology 6900-5