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 58 of 2,187 · by category · by group · panels · answer lists · parts
Prostaglandin E · Chemistry 2851-4 Prostaglandin E1 · Chemistry 2852-2 Prostaglandin E2 · Chemistry 2853-0 Prostaglandin F · Chemistry 2854-8 Prostaglandin F2 · Chemistry 2855-5 Prostaglandin · Chemistry 2856-3 Prostate specific Ag · Chemistry 2857-1 Protein/Protein (Csf) · Chemistry 2858-9 Protein kinase · Chemistry 2859-7 Protein nitrogen in 24 hour Urine · Chemistry 2860-5 Albumin (CSF, electrophoresis) · Chemistry 2861-3 Albumin (electrophoresis) · Chemistry 2862-1 Albumin (Synovial Fluid, electrophoresis) · Chemistry 2863-9 Alpha 1 globulin (CSF, electrophoresis) · Chemistry 2864-7 Alpha 1 globulin (electrophoresis) · Chemistry 2865-4 Alpha 1 globulin (Synovial Fluid, electrophoresis) · Chemistry 2866-2 Alpha 2 globulin (CSF, electrophoresis) · Chemistry 2867-0 Alpha 2 globulin (electrophoresis) · Chemistry 2868-8 Alpha 2 globulin (Synovial Fluid, electrophoresis) · Chemistry 2869-6 Beta globulin (CSF, electrophoresis) · Chemistry 2870-4 Beta globulin (electrophoresis) · Chemistry 2871-2 Beta globulin (Synovial Fluid, electrophoresis) · Chemistry 2872-0 Gamma globulin (CSF, electrophoresis) · Chemistry 2873-8 Gamma globulin (electrophoresis) · Chemistry 2874-6 Gamma globulin (Synovial Fluid, electrophoresis) · Chemistry 2875-3 Prealbumin (CSF, electrophoresis) · Chemistry 2876-1 Prealbumin (electrophoresis) · Chemistry 2877-9 Protein (Amniotic Fluid) · Chemistry 2878-7 Protein (CSF, qualitative) · Chemistry 2879-5 Protein (CSF) · Chemistry 2880-3 Protein (Body Fluid) · Chemistry 2881-1 Protein (Pleural Fluid) · Chemistry 2882-9 Protein (Peritoneal Fluid) · Chemistry 2883-7 Protein (Semen) · Chemistry 2884-5 Protein · Chemistry 2885-2 Protein (Synovial Fluid) · Chemistry 2886-0 Protein (Urine, qualitative) · Urinalysis 2887-8 Protein (Urine) · Urinalysis 2888-6 Protein in 24 hour Urine · Chemistry 2889-4 Protein/Creatinine (Urine) · Chemistry 2890-2 Protoporphyrin in 24 hour Stool · Chemistry 2891-0 Protoporphyrin Free (Blood) · Chemistry 2892-8 Protoporphyrin.zinc (Blood, qualitative) · Chemistry 2893-6 Protoporphyrin.zinc (Red Blood Cells, qualitative) · Chemistry 2894-4 Protoporphyrin.zinc (Red Blood Cells) · Chemistry 2895-1 Protoporphyrin (Blood) · Chemistry 2896-9 Protoporphyrin (Red Blood Cells, qualitative) · Chemistry 2897-7 Protoporphyrin (Red Blood Cells) · Chemistry 2898-5 Purine nucleoside phosphorylase (Tissue) · Chemistry 2899-3 Pyridoxine · Chemistry 2900-9