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 485 of 2,187 · by category · by group · panels · answer lists · parts
Western wheatgrass IgE Ab · Allergy 24511-8 Tree Allergen Mix C (Berry juniper+Oneseed juniper+Rocky mountain juniper) IgE Ab (multidisk) · Allergy 24512-6 Tree Allergen Mix C (Berry juniper+Oneseed juniper+Rocky mountain juniper) IgE Ab RAST class (qualitative, multidisk) · Allergy 24513-4 Maple syrup IgE Ab RAST class (qualitative) · Allergy 24514-2 Grass Allergen Mix A (Sweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass) IgE Ab (multidisk) · Allergy 24515-9 Western wheatgrass IgE Ab RAST class (qualitative) · Allergy 24516-7 Phoma sp IgG Ab · Allergy 24517-5 Calcium/Creatinine (Urine) · Chemistry 24518-3 Phosphate (Blood) · Chemistry 24519-1 Phosphate (Red Blood Cells) · Chemistry 24520-9 EPINEPHrine (Urine) · Chemistry 24521-7 EPINEPHrine/Creatinine (Urine) · Chemistry 24522-5 Norepinephrine/Creatinine (Urine) · Chemistry 24523-3 DOPamine/Creatinine (Urine) · Chemistry 24524-1 Left ventricular Cardiac index (us) · Cardiac ultrasound 24525-8 Left ventricular Cardiac output (us) · Cardiac ultrasound 24526-6 Left ventricular Myocardial mass (us 2d modified single-plane) · Cardiac ultrasound 24527-4 Left ventricular Myocardial mass (us 2d modified biplane) · Cardiac ultrasound 24528-2 Left ventricular End-systolic volume (us 2d modified biplane) · Cardiac ultrasound 24529-0 Left ventricular End-systolic volume (us.m-mode+calculated by teichholz method) · Cardiac ultrasound 24530-8 US Retroperitoneum · Radiology 24531-6 US Abdomen RUQ · Radiology 24532-4 MRA Abdominal vessels W contrast IV · Radiology 24533-2 US.doppler Abdominal vessels · Radiology 24534-0 XR Acetabulum Views · Radiology 24535-7 XR Acromioclavicular Joint Views · Radiology 24536-5 US Guidance for aspiration of Uterus (Amniotic Fluid) · Radiology 24537-3 MR Ankle · Radiology 24538-1 MR Ankle WO and W contrast IV · Radiology 24539-9 XR Ankle 2 Views · Radiology 24540-7 XR Ankle Views · Radiology 24541-5 US Anus · Radiology 24542-3 RFA Guidance for angioplasty of Thoracic and abdominal aorta-- W contrast IA · Radiology 24543-1 CT Thoracic Aorta · Radiology 24544-9 CT Thoracic Aorta W contrast IV · Radiology 24545-6 RFA Aortic arch W contrast IA · Radiology 24546-4 US Thoracic and abdominal aorta · Radiology 24547-2 US Appendix · Radiology 24548-0 MRA Upper extremity vessels W contrast IV · Radiology 24549-8 RFA Upper extremity veins Views W contrast IV · Radiology 24550-6 RFA AV fistula Views W contrast IA · Radiology 24551-4 RF Stent Views W contrast intra stent · Radiology 24552-2 RFA Guidance for embolectomy of Intracranial vessel-- W contrast IV · Radiology 24553-0 RFA Guidance for embolization of Artery-- W contrast IA · Radiology 24554-8 RFA Guidance for placement of stent in Artery · Radiology 24555-5 MR Abdomen · Radiology 24556-3 MR Abdomen WO and W contrast IV · Radiology 24557-1 US Abdomen · Radiology 24558-9 US Guidance for drainage and placement of drainage catheter of Abdomen · Radiology 24559-7 Portable XR Abdomen AP left lateral-decubitus · Radiology 24560-5