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 403 of 2,187 · by category · by group · panels · answer lists · parts
Region of interest Volume/Volume 2 (us.calculated) · Cardiac ultrasound 20365-3 Region of interest Volume (us.2d+calculated by area-length method) · Cardiac ultrasound 20366-1 Region of interest Volume 2 (us.2d+calculated by area-length method) · Cardiac ultrasound 20367-9 Interventricular septal defect Maximum blood flow velocity (us.doppler) · Cardiac ultrasound 20368-7 Velocity slope/Velocity slope 2 (us.doppler calculated) · Cardiac ultrasound 20369-5 Velocity-time integral.XXX (us.doppler) · Cardiac ultrasound 20370-3 Velocity-time integral.XXX/Velocity-time integral 2 (us.doppler) · Cardiac ultrasound 20371-1 Velocity-time integral 2 XXX (us.doppler) · Cardiac ultrasound 20372-9 Amikacin (method for slow-growing mycobacteria) · Antibiotic susceptibility 20373-7 Ampicillin+Sulbactam (method for slow-growing mycobacteria) · Antibiotic susceptibility 20374-5 Clarithromycin (method for slow-growing mycobacteria) · Antibiotic susceptibility 20375-2 Clofazimine (method for slow-growing mycobacteria) · Antibiotic susceptibility 20376-0 Ciprofloxacin (method for slow-growing mycobacteria) · Antibiotic susceptibility 20377-8 Ceftizoxime (method for slow-growing mycobacteria) · Antibiotic susceptibility 20378-6 Doxycycline (method for slow-growing mycobacteria) · Antibiotic susceptibility 20379-4 Erythromycin (method for slow-growing mycobacteria) · Antibiotic susceptibility 20380-2 Ethambutol (method for slow-growing mycobacteria) · Antibiotic susceptibility 20381-0 Ethionamide (method for slow-growing mycobacteria) · Antibiotic susceptibility 20382-8 Isoniazid (method for slow-growing mycobacteria) · Antibiotic susceptibility 20383-6 Ofloxacin (method for slow-growing mycobacteria) · Antibiotic susceptibility 20384-4 rifAMPin (method for slow-growing mycobacteria) · Antibiotic susceptibility 20385-1 Rifabutin (method for slow-growing mycobacteria) · Antibiotic susceptibility 20386-9 Trimethoprim+Sulfamethoxazole (method for slow-growing mycobacteria) · Antibiotic susceptibility 20387-7 Nitrofurazone · Antibiotic susceptibility 20388-5 Mupirocin · Antibiotic susceptibility 20389-3 Silver sulfADIAZINE · Antibiotic susceptibility 20390-1 Mafenide · Antibiotic susceptibility 20391-9 Sample icteric Qualitative (qualitative) · SPEC 20392-7 Sample hemolyzed Qualitative (qualitative) · SPEC 20393-5 Sample lipemic Qualitative (qualitative) · SPEC 20394-3 Sample integrity · SPEC 20395-0 levoFLOXacin (minimum inhibitory concentration (mic)) · Antibiotic susceptibility 20396-8 Sparfloxacin (minimum inhibitory concentration (mic)) · Antibiotic susceptibility 20397-6 Homogenous nuclear Ab pattern · Serology 20398-4 Nucleolar nuclear Ab pattern · Serology 20399-2 Smooth nuclear envelope nuclear Ab pattern · Serology 20400-8 Speckled nuclear Ab pattern · Serology 20401-6 CD16+CD56+ cells (Blood) · Cell markers 20402-4 Fibronectin.fetal in Vaginal fluid · Chemistry 20403-2 Fibronectin.fetal in Vaginal fluid (qualitative) · Chemistry 20404-0 Urobilinogen (Urine, test strip) · Urinalysis 20405-7 Glucose (Urine, test strip) · Urinalysis 20406-5 Nitrite (Urine, test strip) · Urinalysis 20407-3 Leukocytes (Urine, test strip) · Urinalysis 20408-1 Erythrocytes (Urine, test strip) · Urinalysis 20409-9 Amphetamines (Urine, confirmatory method) · Drug and toxicology 20410-7 Barbiturates (Urine, confirmatory method) · Drug and toxicology 20411-5 Benzodiazepines (Urine, confirmatory method) · Drug and toxicology 20412-3 Cannabinoids (Urine, confirmatory method) · Drug and toxicology 20413-1 Thiazides (Urine, confirmatory method) · Drug and toxicology 20414-9