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 482 of 2,187 · by category · by group · panels · answer lists · parts
Protein electrophoresis panel - Serum or Plasma · Chemistry panels 24351-9 Protein electrophoresis panel - Cerebral spinal fluid · Chemistry panels 24352-7 Glucose tolerance 2 hours gestational panel - Urine and Serum or Plasma · PANEL.CHAL 24353-5 Urinalysis macroscopic panel (Urine) · PANEL.UA 24355-0 Urinalysis complete panel - Urine · PANEL.UA 24356-8 Urinalysis macro (dipstick) panel - Urine · PANEL.UA 24357-6 Hemogram without Platelets panel - Blood · Hematology panels 24358-4 Hemogram without Platelets and with Manual Differential panel - Blood · Hematology panels 24359-2 Hemoglobin and Hematocrit panel - Blood · Hematology panels 24360-0 Hemogram, platelets & Differential panel · Hematology panels 24361-8 Renal function 2000 panel - Serum or Plasma · Chemistry panels 24362-6 Acute hepatitis 2000 panel - Serum · Microbiology panels 24363-4 Obstetric 1996 panel - Serum and Blood · PANEL.OBS 24364-2 Urinalysis microscopic panel - Urine sediment · PANEL.UA 24365-9 R-R interval (ekg --during xxx measurement) · Cardiac ultrasound 24369-1 Peak systolic blood pressure --during mitral regurgitation maximum velocity measurement · Cardiac ultrasound 24370-9 Peak systolic blood pressure --during aorta stenosis maximum velocity measurement · Cardiac ultrasound 24371-7 Peak systolic blood pressure --during right ventricular septal defect maximum velocity measurement · Cardiac ultrasound 24372-5 Ferritin (Blood) · Chemistry 24373-3 Platelet associated Ab (Blood, qualitative) · Serology 24374-1 Platelet Ab (qualitative) · Serology 24375-8 von Willebrand factor (vWf) multimers in Platelet poor plasma (immunoassay) · Coagulation 24376-6 Platelet aggregation interpretation in Platelet rich plasma Qualitative Induced (qualitative, adenosine diphosphate) · Coagulation 24377-4 Platelet aggregation interpretation in Platelet rich plasma Qualitative Induced (qualitative, epinephrine) · Coagulation 24378-2 Platelet aggregation interpretation in Platelet rich plasma Qualitative induced (qualitative, collagen) · Coagulation 24379-0 Platelet aggregation interpretation in Platelet rich plasma Qualitative Induced (qualitative, ristocetin) · Coagulation 24380-8 Platelet aggregation interpretation in Platelet rich plasma Qualitative Induced (qualitative, arachidonate) · Coagulation 24381-6 Neutrophil associated Ab · Serology 24382-4 Intrinsic factor Ab (qualitative, immunoassay) · Serology 24383-2 little c Ab · Blood bank 24384-0 Cardiolipin IgG Ab (qualitative, immunoassay) · Coagulation 24385-7 Cardiolipin IgM Ab (qualitative, immunoassay) · Coagulation 24386-5 Brucella sp IgG Ab (qualitative, immunoassay) · Microbiology 24387-3 Brucella sp IgM Ab (qualitative, immunoassay) · Microbiology 24388-1 Cortisol --pre 250 ug corticotropin IM · Challenge tests 24389-9 Cortisol --30 minutes post 250 ug corticotropin IM · Challenge tests 24390-7 Cortisol --1 hour post 250 ug corticotropin IM · Challenge tests 24391-5 Cortisol --pre 1 mg dexamethasone PO overnight · Challenge tests 24392-3 Cortisol --10 hours post 1 mg dexamethasone PO overnight · Challenge tests 24393-1 Cortisol --17 hours post 1 mg dexamethasone PO overnight · Challenge tests 24394-9 Cortisol --24 hours post 1 mg dexamethasone PO overnight · Challenge tests 24395-6 Brucella sp IgG Ab (qualitative) · Microbiology 24396-4 Brucella sp IgM Ab (qualitative) · Microbiology 24397-2 Toxoplasma gondii IgM Ab (immunoassay) · Microbiology 24398-0 Toxoplasma gondii IgM Ab · Microbiology 24399-8 Neuronal nuclear type 1 Ab (CSF, immunofluorescence) · Serology 24400-4 Neuronal nuclear type 2 Ab (CSF, immunofluorescence) · Serology 24401-2 Chlamydophila pneumoniae+Chlamydophila psittaci DNA in Specimen (qualitative, probe with amplification) · Microbiology 24402-0 Neuronal nuclear type 1 Ab (CSF, immunoblot) · Serology 24403-8 Neuronal nuclear type 2 Ab (CSF, immunoblot) · Serology 24404-6