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 396 of 2,187 · by category · by group · panels · answer lists · parts
Oxygen (Minimum value during study) Capillary blood Transcutaneous O2 monitor --on room air and asleep · Pulmonary 20015-4 Oxygen (Maximum value during study) Capillary blood Transcutaneous O2 monitor --on room air and awake · Pulmonary 20016-2 Oxygen (Minimum value during study) Capillary blood Transcutaneous O2 monitor --on room air and awake · Pulmonary 20017-0 Oxygen (Maximum value during study) Capillary blood Transcutaneous O2 monitor --on room air and eating · Pulmonary 20018-8 Oxygen (Minimum value during study) Capillary blood Transcutaneous O2 monitor --on room air and eating · Pulmonary 20019-6 Oxygen (Capillary Blood, transcutaneous o2 monitor --post bronchodilation) · Pulmonary 20020-4 Oxygen --post bronchodilation (Capillary Blood) · Pulmonary 20021-2 Oxygen (Capillary Blood, transcutaneous o2 monitor --post chest physiotherapy) · Pulmonary 20022-0 Oxygen --post chest physiotherapy (Capillary Blood) · Pulmonary 20023-8 Oxygen (Capillary Blood, transcutaneous o2 monitor --post treatment) · Pulmonary 20024-6 Oxygen --post treatment (Capillary Blood) · Pulmonary 20025-3 Oxygen (Capillary Blood, transcutaneous o2 monitor --pre bronchodilation) · Pulmonary 20026-1 Oxygen --pre bronchodilation (Capillary Blood) · Pulmonary 20027-9 Oxygen (Capillary Blood, transcutaneous o2 monitor --pre chest physiotherapy) · Pulmonary 20028-7 Oxygen --pre chest physiotherapy (Capillary Blood) · Pulmonary 20029-5 Oxygen (Capillary Blood, transcutaneous o2 monitor --pre treatment) · Pulmonary 20030-3 Oxygen --pre treatment (Capillary Blood) · Pulmonary 20031-1 Peak inspiratory flow Respiratory system airway opening (airway pressure monitor --at 0.5 liter per second on ventilator) · Pulmonary 20032-9 Peak inspiratory flow Respiratory system airway opening --at 0.5 liter per second on ventilator · Pulmonary 20033-7 Peak inspiratory flow Trachea airway (airway pressure monitor --at 0.5 liter per second on ventilator) · Pulmonary 20034-5 Peak inspiratory flow Trachea airway --at 0.5 liter per second on ventilator · Pulmonary 20035-2 Peak inspiratory flow Respiratory system airway opening (airway pressure monitor --at 1.0 liter per second on ventilator) · Pulmonary 20036-0 Peak inspiratory flow Respiratory system airway opening --at 1.0 liter per second on ventilator · Pulmonary 20037-8 Peak inspiratory flow Trachea airway (airway pressure monitor --at 1.0 liter per second on ventilator) · Pulmonary 20038-6 Peak inspiratory flow Trachea airway --at 1.0 liter per second on ventilator · Pulmonary 20039-4 Peak inspiratory flow Respiratory system airway opening (airway pressure monitor --at 1.5 liter per second on ventilator) · Pulmonary 20040-2 Peak inspiratory flow Respiratory system airway opening --at 1.5 liter per second on ventilator · Pulmonary 20041-0 Peak inspiratory flow Trachea airway (airway pressure monitor --at 1.5 liter per second on ventilator) · Pulmonary 20042-8 Peak inspiratory flow Trachea airway --at 1.5 liter per second on ventilator · Pulmonary 20043-6 Peak inspiratory flow Respiratory system airway opening (airway pressure monitor --at 2.0 liter per second on ventilator) · Pulmonary 20044-4 Peak inspiratory flow Respiratory system airway opening --at 2.0 liter per second on ventilator · Pulmonary 20045-1 Peak inspiratory flow Trachea airway (airway pressure monitor --at 2.0 liter per second on ventilator) · Pulmonary 20046-9 Peak inspiratory flow Trachea airway --at 2.0 liter per second on ventilator · Pulmonary 20047-7 Peak inspiratory flow Respiratory system airway opening (airway pressure monitor --at 2.5 liter per second on ventilator) · Pulmonary 20048-5 Peak inspiratory flow Respiratory system airway opening --at 2.5 liter per second on ventilator · Pulmonary 20049-3 Peak inspiratory flow Trachea airway (airway pressure monitor --at 2.5 liter per second on ventilator) · Pulmonary 20050-1 Peak inspiratory flow Trachea airway --at 2.5 liter per second on ventilator · Pulmonary 20051-9 Pressure Atmosphere (mercury column) · Pulmonary 20052-7 Atmospheric pressure · Pulmonary 20053-5 Pressure maximum setting Ventilator alarm · Pulmonary 20054-3 Pressure minimum setting Ventilator alarm · Pulmonary 20055-0 Airway pressure --at mean expiratory flow on ventilator · Pulmonary 20056-8 Airway pressure Ventilator --at peak inspiratory flow maximum setting · Pulmonary 20057-6 Airway pressure Ventilator --at peak inspiratory flow setting · Pulmonary 20058-4 Airway pressure (airway pressure monitor --at zero inspiratory flow on ventilator) · Pulmonary 20059-2 Airway pressure --at zero inspiratory flow on ventilator · Pulmonary 20060-0 Airway pressure (airway pressure monitor --on ventilator.pressure targeted control) · Pulmonary 20061-8 Airway pressure --on ventilator.pressure targeted control · Pulmonary 20062-6 Airway pressure (airway pressure monitor --on ventilator.volume targeted assist and control) · Pulmonary 20063-4 Airway pressure --on ventilator.volume targeted assist and control · Pulmonary 20064-2