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 398 of 2,187 · by category · by group · panels · answer lists · parts
Tidal volume.spontaneous/Body weight --on ventilator · Pulmonary 20115-2 Tidal volume.spontaneous --on ventilator · Pulmonary 20116-0 Tidal volume.spontaneous+mechanical/Body weight --on ventilator · Pulmonary 20117-8 Tidal volume.spontaneous+mechanical --on ventilator · Pulmonary 20118-6 Tidal volume.spontaneous+mechanical corrected for compressible gas volume --on ventilator · Pulmonary 20119-4 Tidal volume.spontaneous+mechanical/Body weight corrected for compressible gas volume --on ventilator · Pulmonary 20120-2 Tidal volume.spontaneous+mechanical uncorrected for compressible gas volume --on ventilator · Pulmonary 20121-0 Transcutaneous monitor site · Pulmonary 20122-8 Tubing types · Pulmonary 20123-6 Ventilation mode Ventilator · Pulmonary 20124-4 Ventilator type · Pulmonary 20125-1 Ventilator wave form · Pulmonary 20126-9 Volume Gas from Breathing circuit (gas dilution.rebreath) · Pulmonary 20127-7 Volume Gas from Breathing circuit · Pulmonary 20128-5 Volume Breathing bag (gas dilution.rebreath) · Pulmonary 20129-3 Volume Breathing bag · Pulmonary 20130-1 Volume Thoracic gas (plethysmograph body box) · Pulmonary 20131-9 Volume Thoracic gas · Pulmonary 20132-7 Maximum volume setting Ventilator alarm · Pulmonary 20133-5 Minimum volume setting Ventilator alarm · Pulmonary 20134-3 FEV 25%-75% post bronchodilation measured/predicted · Pulmonary 20135-0 FEV 25%-75% pre bronchodilation measured/predicted · Pulmonary 20136-8 FEV 25%-75% measured/predicted · Pulmonary 20137-6 Volume compressed gas Ventilator airway circuit · Pulmonary 20138-4 Volume expired 1 minute · Pulmonary 20139-2 Volume expired · Pulmonary 20140-0 Volume expired per minute/Body weight --on ventilator · Pulmonary 20141-8 FEV · Pulmonary 20142-6 Residual volume (helium rebreathing) · Pulmonary 20143-4 Residual volume (helium single breath) · Pulmonary 20144-2 Residual volume Predicted · Pulmonary 20145-9 Residual volume · Pulmonary 20146-7 FEV.5 Predicted · Pulmonary 20147-5 FEV.5 · Pulmonary 20148-3 FEV1 Predicted · Pulmonary 20149-1 FEV1 · Pulmonary 20150-9 FEV1/Predicted (calculation) · Pulmonary 20151-7 FEV1 measured/predicted · Pulmonary 20152-5 FEV1/FEV total · Pulmonary 20153-3 FEV1 Predicted --post bronchodilation · Pulmonary 20154-1 FEV1 --post bronchodilation · Pulmonary 20155-8 FEV1 Predicted --pre bronchodilation · Pulmonary 20156-6 FEV1 --pre bronchodilation · Pulmonary 20157-4 Maximum voluntary ventilation Predicted · Pulmonary 20158-2 Maximum voluntary ventilation · Pulmonary 20159-0 Maximum voluntary ventilation --post bronchodilator · Pulmonary 20160-8 Maximum voluntary ventilation --post bronchodilator/Voluntary ventilation.maximum predicted · Pulmonary 20161-6 Maximum voluntary ventilation Measured --pre bronchodilator · Pulmonary 20162-4 Maximum voluntary ventilation --pre bronchodilator · Pulmonary 20163-2 Maximum voluntary ventilation --pre bronchodilator/Voluntary ventilation.maximum predicted · Pulmonary 20164-0