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 400 of 2,187 · by category · by group · panels · answer lists · parts
Maximum deceleration (us) · Cardiac ultrasound 20215-0 Deceleration slope (us) · Cardiac ultrasound 20216-8 Circulatory system Deceleration (us) · Cardiac ultrasound 20217-6 Deceleration (us) · Cardiac ultrasound 20218-4 Deceleration 2 (us) · Cardiac ultrasound 20219-2 Deceleration/Deceleration 2 (us) · Cardiac ultrasound 20220-0 Ventricular Ejection time (us.doppler) · Cardiac ultrasound 20221-8 Ventricular Ejection time (us) · Cardiac ultrasound 20222-6 Ventricular Ejection time 2 (us) · Cardiac ultrasound 20223-4 Left ventricular Ejection time/Ejection time 2 (us.calculated) · Cardiac ultrasound 20224-2 Pulmonic valve Minimum end diastole regurgitant blood flow velocity (us) · Cardiac ultrasound 20225-9 Flow (us+calculated) · Cardiac ultrasound 20226-7 Region of interest Height (us.m-mode) · Cardiac ultrasound 20227-5 Anatomic part Laterality · Cardiac ultrasound 20228-3 Region of interest Length/Length 2 (us) · Cardiac ultrasound 20229-1 Region of interest Length (us) · Cardiac ultrasound 20230-9 Region of interest Length 2 (us) · Cardiac ultrasound 20231-7 Left ventricular outflow tract Mean blood flow velocity (us.doppler) · Cardiac ultrasound 20232-5 Left ventricular outflow tract Mean systole pressure gradient (us.doppler) · Cardiac ultrasound 20233-3 Left ventricular End-diastolic volume (us.2d+calculated by bullet method) · Cardiac ultrasound 20234-1 Left ventricular End-diastolic volume (us.cubed.calculated) · Cardiac ultrasound 20235-8 Left ventricular End-diastolic volume (us 2d modified biplane ellipse calculated) · Cardiac ultrasound 20236-6 Left ventricular End-diastolic volume (us.2d+calculated by modified simpson method) · Cardiac ultrasound 20237-4 Left ventricular End-diastolic volume (us.m-mode+calculated by teichholz method) · Cardiac ultrasound 20238-2 Left ventricular Apical plane diastole (us 2d) · Cardiac ultrasound 20239-0 Left ventricular epicardium Short axis papillary level diastole (us 2d) · Cardiac ultrasound 20240-8 Left ventricular Apical plane systole (us 2d) · Cardiac ultrasound 20241-6 Left ventricular epicardium Short axis papillary level systole (us 2d) · Cardiac ultrasound 20242-4 Internal diameter.minor axis.diastole of Heart ventricle Left US 2D · Cardiac ultrasound 20243-2 Internal diameter.minor axis.systole of Heart ventricle Left US 2D · Cardiac ultrasound 20244-0 Left ventricular outflow tract Region crossection (us+calculated) · Cardiac ultrasound 20245-7 Pre ejection period of Heart ventricle Left US · Cardiac ultrasound 20246-5 Peak pressure gradient (us+calculated) · Cardiac ultrasound 20247-3 Maximum pressure gradient 2 (us+calculated) · Cardiac ultrasound 20248-1 Aortic valve Maximum regurgitant pressure gradient (us+calculated) · Cardiac ultrasound 20249-9 Mitral valve Maximum regurgitant pressure gradient (us+calculated) · Cardiac ultrasound 20250-7 Pulmonic valve Maximum regurgitant pressure gradient (us.calculated) · Cardiac ultrasound 20251-5 Maximum systole/Systole 2 maximum (us.doppler) · Cardiac ultrasound 20252-3 Tricuspid valve regurgitant jet Peak systolic flow (us.doppler) · Cardiac ultrasound 20253-1 Tricuspid valve Peak regurgitant blood flow 2 (us.doppler) · Cardiac ultrasound 20254-9 Mean pressure gradient (us+calculated) · Cardiac ultrasound 20255-6 Mean pressure gradient (us.doppler) · Cardiac ultrasound 20256-4 Mean pressure gradient 2 (us+calculated) · Cardiac ultrasound 20257-2 Mean pressure gradient 2 (us) · Cardiac ultrasound 20258-0 Mean pressure gradient/Mean pressure gradient 2 (us.doppler calculated) · Cardiac ultrasound 20259-8 Mean sytole/Systole 2 mean (us.doppler calculated) · Cardiac ultrasound 20260-6 Tricuspid valve Mean regurgitant blood flow velocity (us) · Cardiac ultrasound 20261-4 Tricuspid valve Mean Regurgitant blood flow 2 (us) · Cardiac ultrasound 20262-2 R-R interval (us --at mitral flow measurement) · Cardiac ultrasound 20263-0 Mitral valve annulus Region crossection (us+calculated) · Cardiac ultrasound 20264-8