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 497 of 2,187 · by category · by group · panels · answer lists · parts
Calcium sulfate crystals sediment (Urine, microscopy high power field) · Urinalysis 25150-4 Cholesterol crystals sediment (Urine, microscopy high power field) · Urinalysis 25153-8 Unidentified crystals sediment (Urine, microscopy high power field) · Urinalysis 25154-6 Cystine crystals sediment (Urine, microscopy high power field) · Urinalysis 25155-3 Eosinophils sediment (Urine, qualitative, light microscopy) · Urinalysis 25156-1 Epithelial casts sediment (Urine, qualitative, light microscopy) · Urinalysis 25157-9 Oval fat bodies (globules) sediment (Urine, qualitative, light microscopy) · Urinalysis 25158-7 Fatty casts sediment (Urine, qualitative, light microscopy) · Urinalysis 25159-5 Granular casts sediment (Urine, qualitative, light microscopy) · Urinalysis 25160-3 Hippurate crystals sediment (Urine, microscopy high power field) · Urinalysis 25161-1 Hyaline casts sediment (Urine, qualitative, light microscopy) · Urinalysis 25162-9 Leucine crystals sediment (Urine, microscopy high power field) · Urinalysis 25163-7 CD21 cells (Blood) · Cell markers 25164-5 CD23 cells (Blood) · Cell markers 25165-2 Uroporphyrin (Urine) · Chemistry 25166-0 Coproporphyrin (Urine) · Chemistry 25167-8 Perhexiline · Drug and toxicology 25168-6 Nickel (Blood) · Drug and toxicology 25169-4 Mercury (Blood) · Drug and toxicology 25170-2 Bromide (Blood) · Drug and toxicology 25171-0 Fluoride (Blood) · Drug and toxicology 25172-8 Thallium (Blood) · Drug and toxicology 25173-6 Amikacin (method for slow-growing mycobacteria.antibiotic concentration at 8.0 ug/ml) · Antibiotic susceptibility 25174-4 Amikacin (method for slow-growing mycobacteria.antibiotic concentration at 16.0 ug/ml) · Antibiotic susceptibility 25175-1 Amikacin (method for slow-growing mycobacteria.antibiotic concentration at 32.0 ug/ml) · Antibiotic susceptibility 25176-9 Amikacin (method for slow-growing mycobacteria.antibiotic concentration at 12.0 ug/ml) · Antibiotic susceptibility 25177-7 Amikacin (method for slow-growing mycobacteria.antibiotic concentration at 30.0 ug/ml) · Antibiotic susceptibility 25178-5 Amikacin (method for slow-growing mycobacteria.antibiotic concentration at 6.0 ug/ml) · Antibiotic susceptibility 25179-3 Ciprofloxacin (method for slow-growing mycobacteria.antibiotic concentration at 2.0 ug/ml) · Antibiotic susceptibility 25180-1 Ciprofloxacin (method for slow-growing mycobacteria.antibiotic concentration at 4.0 ug/ml) · Antibiotic susceptibility 25181-9 Kanamycin (method for slow-growing mycobacteria.antibiotic concentration at 5.0 ug/ml) · Antibiotic susceptibility 25182-7 Ethionamide (method for slow-growing mycobacteria.antibiotic concentration at 11.0 ug/ml) · Antibiotic susceptibility 25183-5 rifAMPin (method for slow-growing mycobacteria.antibiotic concentration at 14.0 ug/ml) · Antibiotic susceptibility 25184-3 Streptomycin (method for slow-growing mycobacteria.antibiotic concentration at 6.0 ug/ml) · Antibiotic susceptibility 25185-0 Pyrazinamide (method for slow-growing mycobacteria.antibiotic concentration at 25.0 ug/ml) · Antibiotic susceptibility 25186-8 Ethambutol (method for slow-growing mycobacteria.antibiotic concentration at 7.5 ug/ml) · Antibiotic susceptibility 25187-6 Ciprofloxacin (method for slow-growing mycobacteria.antibiotic concentration at 8.0 ug/ml) · Antibiotic susceptibility 25188-4 Ciprofloxacin (method for slow-growing mycobacteria.antibiotic concentration at 5.0 ug/ml) · Antibiotic susceptibility 25189-2 Clarithromycin (method for slow-growing mycobacteria.antibiotic concentration at 8.0 ug/ml) · Antibiotic susceptibility 25190-0 Clarithromycin (method for slow-growing mycobacteria.antibiotic concentration at 16.0 ug/ml) · Antibiotic susceptibility 25191-8 Clarithromycin (method for slow-growing mycobacteria.antibiotic concentration at 32.0 ug/ml) · Antibiotic susceptibility 25192-6 Ethambutol (method for slow-growing mycobacteria.antibiotic concentration at 5.0 ug/ml) · Antibiotic susceptibility 25194-2 Ethambutol (method for slow-growing mycobacteria.antibiotic concentration at 10.0 ug/ml) · Antibiotic susceptibility 25195-9 Ethionamide (method for slow-growing mycobacteria.antibiotic concentration at 5.0 ug/ml) · Antibiotic susceptibility 25196-7 Ethionamide (method for slow-growing mycobacteria.antibiotic concentration at 15.0 ug/ml) · Antibiotic susceptibility 25198-3 Rifabutin (method for slow-growing mycobacteria.antibiotic concentration at 1.0 ug/ml) · Antibiotic susceptibility 25199-1 Rifabutin (method for slow-growing mycobacteria.antibiotic concentration at 2.0 ug/ml) · Antibiotic susceptibility 25200-7 Rifabutin (method for slow-growing mycobacteria.antibiotic concentration at 4.0 ug/ml) · Antibiotic susceptibility 25201-5 rifAMPin (method for slow-growing mycobacteria.antibiotic concentration at 1.0 ug/ml) · Antibiotic susceptibility 25202-3 rifAMPin (method for slow-growing mycobacteria.antibiotic concentration at 2.0 ug/ml) · Antibiotic susceptibility 25203-1