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 16 of 2,187 · by category · by group · panels · answer lists · parts
Neutrophils (automated count) · Hematology and blood count 751-8 Neutrophils (automated count) · Hematology and blood count 752-6 Neutrophils (manual count) · Hematology and blood count 753-4 Neutrophils (CSF, automated count) · Hematology and blood count 754-2 Neutrophils (CSF, manual count) · Hematology and blood count 755-9 Neutrophils (Pleural Fluid, automated count) · Hematology and blood count 756-7 Neutrophils (Pleural Fluid, manual count) · Hematology and blood count 757-5 Neutrophils (Peritoneal Fluid, automated count) · Hematology and blood count 758-3 Neutrophils (Peritoneal Fluid, manual count) · Hematology and blood count 759-1 Neutrophils (Synovial Fluid, manual count) · Hematology and blood count 760-9 Neutrophils (Urine, automated count) · Urinalysis 761-7 Neutrophils (Urine, manual count) · Urinalysis 762-5 Band form neutrophils (manual count) · Hematology and blood count 763-3 Band form neutrophils/Leukocytes (manual count) · Hematology and blood count 764-1 Neutrophils.hypersegmented (qualitative, light microscopy) · Hematology and blood count 765-8 Neutrophils.hypersegmented (manual count) · Hematology and blood count 766-6 Neutrophils.hypersegmented/Leukocytes (manual count) · Hematology and blood count 767-4 Segmented neutrophils (manual count) · Hematology and blood count 768-2 Segmented neutrophils/Leukocytes (manual count) · Hematology and blood count 769-0 Neutrophils/Leukocytes (automated count) · Hematology and blood count 770-8 Nucleated erythrocytes (automated count) · Hematology and blood count 771-6 Nucleated erythrocytes (manual count) · Hematology and blood count 772-4 Nucleated erythrocytes/Erythrocytes (manual count) · Hematology and blood count 773-2 Ovalocytes (qualitative, light microscopy) · Hematology and blood count 774-0 Platelet mean diameter (rees-ecker) · Hematology and blood count 775-7 Platelet (rees-ecker) · Hematology and blood count 776-5 Platelets (automated count) · Hematology and blood count 777-3 Platelets (manual count) · Hematology and blood count 778-1 Poikilocytosis (qualitative, light microscopy) · Hematology and blood count 779-9 Promyelocytes (automated count) · Hematology and blood count 780-7 Promyelocytes (manual count) · Hematology and blood count 781-5 Promyelocytes/100 leukocytes (automated count) · Hematology and blood count 782-3 Promyelocytes/Leukocytes (manual count) · Hematology and blood count 783-1 Erythrocyte mean corpuscular diameter (automated count) · Hematology and blood count 784-9 MCH (automated count) · Hematology and blood count 785-6 MCHC (Red Blood Cells, automated count) · Hematology and blood count 786-4 MCV (Red Blood Cells, automated count) · Hematology and blood count 787-2 Erythrocyte (automated count) · Hematology and blood count 788-0 Erythrocytes (automated count) · Hematology and blood count 789-8 Erythrocytes (manual count) · Hematology and blood count 790-6 Erythrocytes (CSF, automated count) · Hematology and blood count 791-4 Erythrocytes (CSF, manual count) · Hematology and blood count 792-2 Erythrocytes (Pleural Fluid, manual count) · Hematology and blood count 793-0 Erythrocytes (Pleural Fluid, automated count) · Hematology and blood count 794-8 Erythrocytes (Peritoneal Fluid, manual count) · Hematology and blood count 795-5 Erythrocytes (Synovial Fluid, automated count) · Hematology and blood count 796-3 Erythrocytes (Synovial Fluid, manual count) · Hematology and blood count 797-1 Erythrocytes (Urine, automated count) · Urinalysis 798-9 Erythrocytes (Urine, manual count) · Urinalysis 799-7 Schistocytes (qualitative, light microscopy) · Hematology and blood count 800-3