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 117 of 2,187 · by category · by group · panels · answer lists · parts
Magnesium ammonium phosphate crystals sediment (Urine, qualitative, light microscopy) · Urinalysis 5801-6 Nitrite (Urine, qualitative, test strip) · Urinalysis 5802-4 pH (Urine, test strip) · Urinalysis 5803-2 Protein (Urine, test strip) · Urinalysis 5804-0 Pyrophosphate crystals (Synovial Fluid, qualitative, light microscopy) · Hematology and blood count 5805-7 Pyrophosphate crystals sediment (Urine, qualitative, light microscopy) · Urinalysis 5806-5 RBC casts sediment (Urine, microscopy low power field) · Urinalysis 5807-3 Erythrocytes sediment (Urine, microscopy high power field) · Urinalysis 5808-1 Reducing substances (Urine, qualitative) · Urinalysis 5809-9 Specific gravity (Urine, refractometry) · Urinalysis 5810-7 Specific gravity (Urine, test strip) · Urinalysis 5811-5 Sulfonamide crystals sediment (Urine, qualitative, light microscopy) · Urinalysis 5812-3 Trichomonas vaginalis sediment (Urine, qualitative, light microscopy) · Urinalysis 5813-1 Triple phosphate crystals sediment (Urine, qualitative, light microscopy) · Urinalysis 5814-9 Tyrosine crystals sediment (Urine, qualitative, light microscopy) · Urinalysis 5815-6 Urate crystals (Synovial Fluid, qualitative, light microscopy) · Hematology and blood count 5816-4 Urate crystals sediment (Urine, qualitative, light microscopy) · Urinalysis 5817-2 Urobilinogen (Urine, qualitative, test strip) · Chemistry 5818-0 Waxy casts sediment (Urine, microscopy low power field) · Urinalysis 5819-8 WBC casts sediment (Urine, microscopy low power field) · Urinalysis 5820-6 Leukocytes sediment (Urine, microscopy high power field) · Urinalysis 5821-4 Yeast sediment (Urine, microscopy high power field) · Urinalysis 5822-2 Adenovirus Ag in Conjunctival specimen (qualitative, immunoassay) · Microbiology 5823-0 Adenovirus Ag in Conjunctival specimen (qualitative, immunofluorescence) · Microbiology 5824-8 Adenovirus Ag (Stool, qualitative, immunoassay) · Microbiology 5825-5 Adenovirus Ag (Stool, qualitative, immunofluorescence) · Microbiology 5826-3 Adenovirus Ag in Throat (qualitative, immunoassay) · Microbiology 5827-1 Adenovirus Ag in Throat (qualitative, immunofluorescence) · Microbiology 5828-9 Adenovirus Ag (Tissue, qualitative, immunoassay) · Microbiology 5829-7 Adenovirus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 5830-5 Adenovirus Ag (Urine, qualitative, immunoassay) · Microbiology 5831-3 Adenovirus Ag (Urine, qualitative, immunofluorescence) · Microbiology 5832-1 Adenovirus Ag in Specimen (qualitative, immunoassay) · Microbiology 5833-9 Adenovirus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5834-7 Cytomegalovirus (Blood, qualitative, organism specific culture) · Microbiology 5835-4 Cytomegalovirus (Tissue, qualitative, organism specific culture) · Microbiology 5836-2 Cytomegalovirus (Urine, qualitative, organism specific culture) · Microbiology 5837-0 Cytomegalovirus in Specimen (qualitative, organism specific culture) · Microbiology 5838-8 Enterovirus identified (CSF, organism specific culture) · Microbiology 5839-6 Enterovirus identified in Isolate (immunofluorescence) · Microbiology 5840-4 Enterovirus identified in Isolate (neutralization test) · Microbiology 5841-2 Enterovirus identified (Stool, organism specific culture) · Microbiology 5842-0 Enterovirus identified in Specimen (organism specific culture) · Microbiology 5843-8 Herpes simplex virus 1 Ag in Genital specimen (qualitative, immunofluorescence) · Microbiology 5844-6 Herpes simplex virus 1 Ag in Skin (qualitative, immunofluorescence) · Microbiology 5845-3 Herpes simplex virus 1 Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5846-1 Herpes simplex virus 2 Ag in Genital specimen (qualitative, immunofluorescence) · Microbiology 5847-9 Herpes simplex virus 2 Ag in Skin (qualitative, immunofluorescence) · Microbiology 5848-7 Herpes simplex virus 2 Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5849-5 Herpes simplex virus Ag in Genital specimen (qualitative, immunoassay) · Microbiology 5850-3