LOINC categories
The official LOINC component hierarchy. For the consumer categories, see Categories.
4,391 categories · page 40 of 44 · all codes
Potassium | Stool | Chemistry - non-challenge · 1 biomarkers LP386620-1 Prealbumin | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384496-8 Pregnenolone · 1 biomarkers LP15817-7 Pregnenolone | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP381086-0 Prekeratocytes · 1 biomarkers LP65312-8 Prekeratocytes | Blood | Hematology and Cell counts · 1 biomarkers LP393418-1 Pro prostate specific Ag isoform 2 · 1 biomarkers LP422240-4 Pro prostate specific Ag isoform 2 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP427416-5 Procainamide | Serum or Plasma | Drug toxicology · 1 biomarkers LP389207-4 Proinsulin · 1 biomarkers LP14637-0 Proinsulin | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP381343-5 Projected heparin concentration to reach target ACT · 1 biomarkers LP206571-4 Projected heparin concentration to reach target ACT | Blood | Coagulation · 1 biomarkers LP393942-0 Proline | Amniotic fluid | Chemistry - non-challenge · 1 biomarkers LP384268-1 Proline | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384271-5 Proline | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384272-3 Propionylcarnitine (C3) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP381585-1 Propionylcarnitine (C3)+Palmitoylcarnitine (C16) · 1 biomarkers LP183637-0 Propionylcarnitine (C3)+Palmitoylcarnitine (C16) | DBS | Chemistry - non-challenge · 1 biomarkers LP381999-4 Propionylglycine · 1 biomarkers LP14518-2 Propionylglycine | Urine | Chemistry - non-challenge · 1 biomarkers LP384287-1 Prostaglandin F · 1 biomarkers LP15825-0 Prostaglandin F2 · 1 biomarkers LP15826-8 Prostaglandin F2 alpha · 1 biomarkers LP18191-4 Prostaglandin F2 alpha | Urine | Chemistry - non-challenge · 1 biomarkers LP386402-4 Prostaglandins · 1 biomarkers LP19203-6 Prostate health index · 1 biomarkers LP423001-9 Prostate health index | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP427417-3 Prostate specific Ag.protein bound · 1 biomarkers LP30916-8 Prostate specific Ag.protein bound | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP386151-7 Protein | Body fluid | Chemistry - non-challenge · 1 biomarkers LP384456-2 Protein | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384457-0 Protein | Dialysis fluid | Chemistry - non-challenge · 1 biomarkers LP384458-8 Protein | Dialysis fluid peritoneal | Chemistry - non-challenge · 1 biomarkers LP384459-6 Protein | Lower respiratory specimen | Chemistry - non-challenge · 1 biomarkers LP384465-3 Protein | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384468-7 Protein | Synovial fluid | Chemistry - non-challenge · 1 biomarkers LP384470-3 Protein catabolic rate · 1 biomarkers LP411545-9 Protein catabolic rate | Urine | Chemistry - non-challenge · 1 biomarkers LP448382-4 Protein Fractions | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384936-3 Protein Fractions | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384937-1 Protein fractions.oligoclonal bands.IgG · 1 biomarkers LP96204-0 Protein fractions.oligoclonal bands.IgG | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384945-4 Protein S Free · 1 biomarkers LP28872-7 Protein S Free | Platelet poor plasma | Coagulation · 1 biomarkers LP394130-1 Protein.monoclonal band 1 · 1 biomarkers LP66338-2 Protein.monoclonal band 1 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384957-9 Protein.monoclonal band 2 · 1 biomarkers LP33260-8 Protein.monoclonal band 2 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384959-5 Protein.monoclonal isotype | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384973-6 Prothrombin · 1 biomarkers LP16010-8 Prothrombin activity · 1 biomarkers LP16011-6 Prothrombin activity | Platelet poor plasma | Coagulation · 1 biomarkers LP394418-0 Protoporphyrin | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP386508-8 Pseudouridine | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP383539-6 Pseudouridine | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP383540-4 Pyknosis · 1 biomarkers LP30811-1 Pyknosis | Blood | Hematology and Cell counts · 1 biomarkers LP393419-9 Pyridinoline · 1 biomarkers LP14914-3 Pyridinoline | Urine | Chemistry - non-challenge · 1 biomarkers LP384289-7 Pyridoxal | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP385161-7 Pyridoxal phosphate | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP385164-1 Pyridoxine | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP385167-4 Pyruvate | Blood | Chemistry - non-challenge · 1 biomarkers LP385603-8 Pyruvate | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP385607-9 Pyruvate | Urine | Chemistry - non-challenge · 1 biomarkers LP385608-7 Pyruvate kinase · 1 biomarkers LP15160-2 Pyruvate kinase | Red Blood Cells | Chemistry - non-challenge · 1 biomarkers LP383223-7 R-beta aminoisobutyrate | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP383764-0 R-beta aminoisobutyrate | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP383765-7 RBC Dual Population · 1 biomarkers LP14575-2 RBC Dual Population | Blood | Hematology and Cell counts · 1 biomarkers LP393433-0 Rearrangements · 1 biomarkers LP7825-5 Resistin · 1 biomarkers LP185757-4 Resistin | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP381327-8 Respiratory - upper and lower - drugs · 1 biomarkers LP31443-2 Reticulocyte corpuscular hemoglobin concentration mean · 1 biomarkers LP183488-8 Reticulocyte corpuscular hemoglobin concentration mean | Blood | Hematology and Cell counts · 1 biomarkers LP393369-6 Reticulocyte mean volume · 1 biomarkers LP62885-6 Reticulocyte mean volume | Reticulocytes | Hematology and Cell counts · 1 biomarkers LP393365-4 Retinol · 1 biomarkers LP15274-1 Retinol | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP385105-4 Retinyl palmitate · 1 biomarkers LP34632-7 Retinyl palmitate | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP385112-0 Rh · 1 biomarkers LP14541-4 Rh | Blood | Blood bank · 1 biomarkers LP398719-7 Rh group · 1 biomarkers LP17805-0 Rh immune globulin screen · 1 biomarkers LP32837-4 Rh immune globulin screen | Blood | Blood bank · 1 biomarkers LP399128-0 Rheumatoid arthritis disease activity score · 1 biomarkers LP185753-3 Rheumatoid arthritis disease activity score | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP385476-9 Rheumatoid arthritis disease activity score confidence interval · 1 biomarkers LP185755-8 Rheumatoid arthritis disease activity score confidence interval | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP385478-5 Rheumatoid arthritis disease activity score level · 1 biomarkers LP185754-1 Rheumatoid arthritis disease activity score level | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP385477-7 Rheumatoid factor | Serum or Plasma | Serology - non-micro · 1 biomarkers LP403920-4 Riboflavin | Blood | Chemistry - non-challenge · 1 biomarkers LP385151-8 Riboflavin | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP385152-6 Rotavirus · 1 biomarkers LP14844-2 Rotavirus | Stool | Microbiology · 1 biomarkers LP378975-9