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 118 of 2,187 · by category · by group · panels · answer lists · parts
Herpes simplex virus Ag in Genital specimen (qualitative, immunofluorescence) · Microbiology 5851-1 Herpes simplex virus Ag in Skin (qualitative, immunoassay) · Microbiology 5852-9 Herpes simplex virus Ag in Skin (qualitative, immunofluorescence) · Microbiology 5853-7 Herpes simplex virus Ag in Specimen (qualitative, immunoassay) · Microbiology 5854-5 Herpes simplex virus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5855-2 Herpes simplex virus identified in Genital specimen (organism specific culture) · Microbiology 5856-0 Herpes simplex virus identified in Isolate (immunofluorescence) · Microbiology 5857-8 Herpes simplex virus identified in Skin (organism specific culture) · Microbiology 5858-6 Herpes simplex virus identified in Specimen (organism specific culture) · Microbiology 5859-4 Influenza virus A Ag in Throat (qualitative, immunoassay) · Microbiology 5860-2 Influenza virus A Ag in Throat (qualitative, immunofluorescence) · Microbiology 5861-0 Influenza virus A Ag in Specimen (qualitative, immunoassay) · Microbiology 5862-8 Influenza virus A Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5863-6 Influenza virus B Ag in Throat (qualitative, immunoassay) · Microbiology 5864-4 Influenza virus B Ag in Throat (qualitative, immunofluorescence) · Microbiology 5865-1 Influenza virus B Ag in Specimen (qualitative, immunoassay) · Microbiology 5866-9 Influenza virus B Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5867-7 Parainfluenza virus 1 Ag in Throat (qualitative, immunofluorescence) · Microbiology 5868-5 Parainfluenza virus 1 Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5869-3 Parainfluenza virus 2 Ag in Throat (qualitative, immunofluorescence) · Microbiology 5870-1 Parainfluenza virus 2 Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5871-9 Parainfluenza virus 3 Ag in Throat (qualitative, immunofluorescence) · Microbiology 5872-7 Parainfluenza virus 3 Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5873-5 Respiratory syncytial virus Ag in Throat (qualitative, immunoassay) · Microbiology 5874-3 Respiratory syncytial virus Ag in Throat (qualitative, immunofluorescence) · Microbiology 5875-0 Respiratory syncytial virus Ag in Specimen (qualitative, immunoassay) · Microbiology 5876-8 Respiratory syncytial virus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5877-6 Rickettsia sp identified (Blood, organism specific culture) · Microbiology 5878-4 Rotavirus Ag (Stool, qualitative, agglutination) · Microbiology 5879-2 Rotavirus Ag (Stool, qualitative, immunoassay) · Microbiology 5880-0 Varicella zoster virus Ag in Skin (qualitative, immunofluorescence) · Microbiology 5881-8 Varicella zoster virus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 5882-6 Virus identified (Blood, culture) · Microbiology 5883-4 Virus identified (CSF, culture) · Microbiology 5884-2 Virus identified in Skin (culture) · Microbiology 5885-9 Virus identified (Stool, culture) · Microbiology 5886-7 Virus identified in Throat (culture) · Microbiology 5887-5 Virus identified (Tissue, culture) · Microbiology 5888-3 Protein S Free in Platelet poor plasma (coagulation assay) · Coagulation 5889-1 Protein S+Acarboxy Free Ag in Platelet poor plasma (immunoassay) · Challenge tests 5890-9 Protein S+Acarboxy Ag in Platelet poor plasma (immunoassay) · Coagulation 5891-7 Protein S in Platelet poor plasma (coagulation assay) · Coagulation 5892-5 Protein S in Platelet poor plasma (chromogenic method) · Coagulation 5893-3 Prothrombin time (PT) actual/Normal · Coagulation 5894-1 INR in Platelet poor plasma (coagulation assay) · Coagulation 5895-7 reverse INR in Platelet poor plasma (coagulation assay) · Coagulation 5896-5 Dilute Russell viper venom time (dRVVT) in Platelet poor plasma (coagulation assay) · Coagulation 5897-3 Activated partial thrombplastin time (aPTT) (Blood, coagulation assay) · Coagulation 5898-2 Coagulation normal/actual in Platelet poor plasma (aptt) · Coagulation 5899-0 Prothrombin Fragment 1.2 · Coagulation 5900-6