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 15 of 2,187 · by category · by group · panels · answer lists · parts
Yersinia sp identified in Specimen (organism specific culture) · Microbiology 701-3 Anisocytosis (qualitative, light microscopy) · Hematology and blood count 702-1 Basophilic stippling (qualitative, light microscopy) · Hematology and blood count 703-9 Basophils (automated count) · Hematology and blood count 704-7 Basophils (manual count) · Hematology and blood count 705-4 Basophils/Leukocytes (automated count) · Hematology and blood count 706-2 Basophils/Leukocytes (manual count) · Hematology and blood count 707-0 Blasts (manual count) · Hematology and blood count 708-8 Blasts/Leukocytes (manual count) · Hematology and blood count 709-6 Blood smear finding positive (light microscopy) · Hematology and blood count 710-4 Eosinophils (automated count) · Hematology and blood count 711-2 Eosinophils (manual count) · Hematology and blood count 712-0 Eosinophils/Leukocytes (automated count) · Hematology and blood count 713-8 Eosinophils/Leukocytes (manual count) · Hematology and blood count 714-6 Normoblasts · Hematology and blood count 715-3 Heinz bodies (qualitative, light microscopy) · Hematology and blood count 716-1 Hemoglobin (qualitative) · Hematology and blood count 717-9 Hemoglobin · Hematology and blood count 718-7 Hemoglobin (CSF) · Hematology and blood count 719-5 Free Hemoglobin (Plasma, qualitative) · Hematology and blood count 720-3 Free Hemoglobin (Plasma) · Hematology and blood count 721-1 Hemoglobin (Pleural Fluid) · Hematology and blood count 722-9 Hemoglobin (Peritoneal Fluid) · Hematology and blood count 723-7 Hemoglobin (Synovial Fluid) · Hematology and blood count 724-5 Hemoglobin (Urine, qualitative) · Hematology and blood count 725-2 Hemoglobin (Urine) · Urinalysis 726-0 Hemoglobin distribution width (automated count) · Hematology and blood count 727-8 Hypochromia (qualitative, light microscopy) · Hematology and blood count 728-6 Leukocytes other (manual count) · Hematology and blood count 729-4 Leukocytes other/Leukocytes (manual count) · Hematology and blood count 730-2 Lymphocytes (automated count) · Hematology and blood count 731-0 Lymphocytes (manual count) · Hematology and blood count 732-8 Variant lymphocytes (qualitative, light microscopy) · Hematology and blood count 733-6 Variant lymphocytes (manual count) · Hematology and blood count 734-4 Variant lymphocytes/Leukocytes (manual count) · Hematology and blood count 735-1 Lymphocytes/Leukocytes (automated count) · Hematology and blood count 736-9 Lymphocytes/Leukocytes (manual count) · Hematology and blood count 737-7 Macrocytes (qualitative, light microscopy) · Hematology and blood count 738-5 Metamyelocytes (manual count) · Hematology and blood count 739-3 Metamyelocytes/Leukocytes (manual count) · Hematology and blood count 740-1 Microcytes (qualitative, light microscopy) · Hematology and blood count 741-9 Monocytes (automated count) · Hematology and blood count 742-7 Monocytes (manual count) · Hematology and blood count 743-5 Monocytes/Leukocytes (manual count) · Hematology and blood count 744-3 Myeloblasts (automated count) · Hematology and blood count 745-0 Myeloblasts (manual count) · Hematology and blood count 746-8 Myeloblasts/Leukocytes (manual count) · Hematology and blood count 747-6 Myelocytes (manual count) · Hematology and blood count 748-4 Myelocytes/Leukocytes (manual count) · Hematology and blood count 749-2 Myelocytes/100 leukocytes (automated count) · Hematology and blood count 750-0