LOINC categories
The official LOINC component hierarchy. For the consumer categories, see Categories.
4,391 categories · page 34 of 44 · all codes
Irregularly contracted cells | Blood | Hematology and Cell counts · 1 biomarkers LP393414-0 Isocitrate · 1 biomarkers LP18440-5 Isocitrate | Urine | Chemistry - non-challenge · 1 biomarkers LP386202-8 Isocoproporphyrin · 1 biomarkers LP30895-4 Isocoproporphyrin | Stool | Chemistry - non-challenge · 1 biomarkers LP386476-8 Isoheptacarboxylporphyrin · 1 biomarkers LP14339-3 Isoheptacarboxylporphyrin | Stool | Chemistry - non-challenge · 1 biomarkers LP386477-6 Isohexacarboxylporphyrin · 1 biomarkers LP14340-1 Isohexacarboxylporphyrin | Stool | Chemistry - non-challenge · 1 biomarkers LP386478-4 Isoleucine | Amniotic fluid | Chemistry - non-challenge · 1 biomarkers LP384069-3 Isoleucine | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384072-7 Isoleucine | DBS | Chemistry - non-challenge · 1 biomarkers LP384070-1 Isopentacarboxylporphyrin · 1 biomarkers LP14341-9 Isopentacarboxylporphyrin | Stool | Chemistry - non-challenge · 1 biomarkers LP386479-2 Isopropanol · 1 biomarkers LP14375-7 Isopropanol | Serum or Plasma | Drug toxicology · 1 biomarkers LP387477-5 Isospora belli · 1 biomarkers LP14900-2 Isospora belli | XXX | Microbiology · 1 biomarkers LP376786-2 Isovalerylcarnitine (C5) · 1 biomarkers LP19306-7 Isovalerylcarnitine (C5) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP381617-2 Isovalerylcarnitine+Methylbutyrylcarnitine (C5) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP381614-9 Isoxanthopterin · 1 biomarkers LP200430-9 Isoxanthopterin | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384308-5 JAK2 gene · 1 biomarkers LP36473-4 JAK2 gene p.Val617Phe · 1 biomarkers LP36477-5 JAK2 gene p.Val617Phe | Blood or Tissue | Mutations · 1 biomarkers LP409885-3 Kappa light chains | Serum | Chemistry - non-challenge · 1 biomarkers LP384878-7 Kappa light chains | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384879-5 Karyotype | Amniotic fluid | Molecular pathology · 1 biomarkers LP401853-9 Karyotype | Blood or Tissue | Molecular pathology · 1 biomarkers LP401854-7 Karyotype | Bone marrow | Molecular pathology · 1 biomarkers LP401856-2 Keratan sulfate | DBS | Chemistry - non-challenge · 1 biomarkers LP386015-4 Keratan sulfate | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP412142-4 Keratan sulfate | Urine | Chemistry - non-challenge · 1 biomarkers LP386016-2 Ketones | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP386314-1 Kidney failure 2-year risk · 1 biomarkers LP248942-7 Kidney failure 2-year risk | Patient | Chemistry - non-challenge · 1 biomarkers LP386663-1 Kidney failure 5-year risk · 1 biomarkers LP248943-5 Kidney failure 5-year risk | Patient | Chemistry - non-challenge · 1 biomarkers LP386664-9 Krabbe disease · 1 biomarkers LP113917-1 Krabbe disease | DBS | Chemistry - non-challenge · 1 biomarkers LP421932-7 Kynurenin · 1 biomarkers LP70439-2 Kynurenin | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384405-9 L-2-hydroxyglutarate | Amniotic fluid | Chemistry - non-challenge · 1 biomarkers LP386253-1 L-2-hydroxyglutarate | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP386255-6 L-2-hydroxyglutarate | DBS | Chemistry - non-challenge · 1 biomarkers LP386254-9 L-2-hydroxyglutarate | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP386256-4 L-serine | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384347-3 L-serine | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384348-1 Lacosamide · 1 biomarkers LP100041-5 Lacosamide | Serum or Plasma | Drug toxicology · 1 biomarkers LP390789-8 Lactase · 1 biomarkers LP207986-3 Lactase | Small intestine Tissue | Chemistry - non-challenge · 1 biomarkers LP383123-9 Lactate | Blood arterial | Chemistry - non-challenge · 1 biomarkers LP385562-6 Lactate | Urine | Chemistry - non-challenge · 1 biomarkers LP385578-2 Lactate dehydrogenase 1 · 1 biomarkers LP15688-2 Lactate dehydrogenase 1 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP383089-2 Lactate dehydrogenase 2 · 1 biomarkers LP15689-0 Lactate dehydrogenase 2 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP383096-7 Lactate dehydrogenase 3 · 1 biomarkers LP15690-8 Lactate dehydrogenase 3 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP383102-3 Lactate dehydrogenase 4 · 1 biomarkers LP15691-6 Lactate dehydrogenase 4 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP383108-0 Lactate dehydrogenase 5 · 1 biomarkers LP15692-4 Lactate dehydrogenase 5 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP383114-8 Lactoferrin · 1 biomarkers LP15694-0 Lactoferrin | Stool | Chemistry - non-challenge · 1 biomarkers LP384768-0 Lactose · 1 biomarkers LP15269-1 Lactose | Urine | Chemistry - non-challenge · 1 biomarkers LP385588-1 Lambda light chains | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384894-4 Lambda light chains.free | Serum | Chemistry - non-challenge · 1 biomarkers LP384897-7 Lambda light chains.free | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384898-5 Lamellar bodies · 1 biomarkers LP18987-5 Lamellar bodies | Amniotic fluid | Hematology and Cell counts · 1 biomarkers LP393487-6 lamoTRIgine · 1 biomarkers LP17251-7 lamoTRIgine | Serum or Plasma | Drug toxicology · 1 biomarkers LP390792-2 Lanosterol · 1 biomarkers LP173718-0 Lanosterol | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382494-5 Laurate (C12:0) | Red Blood Cells | Chemistry - non-challenge · 1 biomarkers LP382067-9 Laurate (C12:0) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382068-7 Lauroleate (C12:1) | Red Blood Cells | Chemistry - non-challenge · 1 biomarkers LP382086-9 Lauroleate (C12:1) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382087-7 LDL 1 · 1 biomarkers LP36474-2 LDL 1 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382571-0 LDL 2 · 1 biomarkers LP56924-1 LDL 2 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382572-8 LDL 3 · 1 biomarkers LP56925-8 LDL 3 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382573-6 LDL 4 · 1 biomarkers LP36475-9 LDL 4 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382574-4 Lead | Blood | Drug toxicology · 1 biomarkers LP388318-0 Lead | Blood venous | Drug toxicology · 1 biomarkers LP388320-6 Lead | Serum or Plasma | Drug toxicology · 1 biomarkers LP388329-7 Leflunomide · 1 biomarkers LP34970-1 Leflunomide | Serum or Plasma | Drug toxicology · 1 biomarkers LP388688-6 Legionella sp · 1 biomarkers LP16652-7 Legionella sp | XXX | Microbiology · 1 biomarkers LP444510-4 Leptin · 1 biomarkers LP19488-3 Leptin | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP381326-0 Leucine | Amniotic fluid | Chemistry - non-challenge · 1 biomarkers LP384097-4