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 131 of 2,187 · by category · by group · panels · answer lists · parts
Neisseria meningitidis serogroup Y Ab in Specimen (immunofluorescence) · Microbiology 6502-9 Neisseria meningitidis serogroup Y Ag (CSF, qualitative, immunoassay) · Microbiology 6503-7 Neisseria meningitidis serogroup Y Ag (CSF, qualitative, immunofluorescence) · Microbiology 6504-5 Neisseria meningitidis serogroup Y Ag (CSF, qualitative, latex agglutination) · Microbiology 6505-2 Neisseria meningitidis serogroup w135 Ag (CSF, qualitative, immunofluorescence) · Microbiology 6506-0 Neisseria meningitidis serogroup w135 Ag (CSF, qualitative, latex agglutination) · Microbiology 6507-8 Neisseria meningitidis Ag (CSF, qualitative) · Microbiology 6508-6 Neisseria meningitidis rRNA (CSF, qualitative, probe) · Microbiology 6509-4 Human papilloma virus Ab in Genital specimen (qualitative, immunoassay) · Microbiology 6510-2 Human papilloma virus Ab in Genital specimen (qualitative, immunoblot) · Microbiology 6511-0 Human papilloma virus Ab (Tissue, qualitative, immunoassay) · Microbiology 6512-8 Human papilloma virus Ab (Tissue, qualitative, immunoblot) · Microbiology 6513-6 Human papilloma virus rRNA in Genital specimen (qualitative, naa with probe detection) · Microbiology 6514-4 Human papilloma virus rRNA (Tissue, qualitative, naa with probe detection) · Microbiology 6515-1 Human papilloma virus rRNA in Specimen (qualitative, naa with probe detection) · Microbiology 6516-9 Parvovirus B19 IgM Ab (qualitative, immunoblot) · Microbiology 6517-7 Pneumocystis jirovecii Ag (qualitative, immunofluorescence) · Microbiology 6518-5 Pneumocystis jirovecii Ag in Sputum (qualitative, immunofluorescence) · Microbiology 6519-3 Pneumocystis jiroveci Ag in Unspecified specimen (qualitative, immunofluorescence) · Microbiology 6520-1 Pneumocystis jirovecii DNA in Specimen (qualitative, naa with probe detection) · Microbiology 6521-9 Rabies virus Ab (CSF) · Microbiology 6522-7 Rabies virus neutralizing antibody (CSF, neutralization test) · Microbiology 6523-5 Rabies virus neutralizing antibody (neutralization test) · Microbiology 6524-3 Rabies virus neutralizing antibody (Tissue, neutralization test) · Microbiology 6525-0 Rabies virus Ab in Specimen · Microbiology 6526-8 Rabies virus neutralizing antibody in Specimen (neutralization test) · Microbiology 6527-6 Rabies virus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 6528-4 Rabies virus Ag (Tissue, immunofluorescence) · Microbiology 6529-2 Rabies virus Ag (Tissue, immunofluorescence) · Microbiology 6530-0 Rabies virus Ag (Tissue, immunofluorescence) · Microbiology 6531-8 Rabies virus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 6532-6 Rabies virus Ag in Specimen (immunofluorescence) · Microbiology 6533-4 Rabies virus Ag in Unspecified specimen (immunofluorescence) · Microbiology 6534-2 Rabies virus Ag in Unspecified specimen (immunofluorescence) · Microbiology 6535-9 Rabies virus identified (Tissue, organism specific culture) · Microbiology 6536-7 Rabies virus strain identified (Tissue, organism specific culture) · Microbiology 6537-5 Rabies virus strain identified (Tissue, organism specific culture) · Microbiology 6538-3 Rabies virus identified in Specimen (organism specific culture) · Microbiology 6539-1 Rabies virus strain identified in Unspecified specimen (organism specific culture) · Microbiology 6540-9 Rabies virus strain identified in Unspecified specimen (organism specific culture) · Microbiology 6541-7 Rickettsia prowazekii Ab (complement fixation) · Microbiology 6542-5 Rickettsia rickettsii Ag (Tissue, immunofluorescence) · Microbiology 6543-3 Rickettsia sp identified in Genital specimen (organism specific culture) · Microbiology 6544-1 Rickettsia sp identified in Sputum (organism specific culture) · Microbiology 6545-8 Rickettsia sp identified in Specimen (organism specific culture) · Microbiology 6546-6 Rotavirus identified in Specimen (organism specific culture) · Microbiology 6547-4 Rubella virus identified (organism specific culture) · Microbiology 6548-2 Saint Louis encephalitis virus Ag · Microbiology 6549-0 Staphylococcus aureus Ab · Microbiology 6550-8 Streptococcus agalactiae Ag in Throat (qualitative, immunofluorescence) · Microbiology 6551-6