LOINC categories
The official LOINC component hierarchy. For the consumer categories, see Categories.
4,391 categories · page 32 of 44 · all codes
Hemoglobin | Body fluid | Hematology and Cell counts · 1 biomarkers LP392460-4 Hemoglobin | Peritoneal fluid | Hematology and Cell counts · 1 biomarkers LP392463-8 Hemoglobin | Pleural fluid | Hematology and Cell counts · 1 biomarkers LP392465-3 Hemoglobin | Synovial fluid | Hematology and Cell counts · 1 biomarkers LP392467-9 Hemoglobin Barts · 1 biomarkers LP16418-3 Hemoglobin Barts | Blood | Hematology and Cell counts · 1 biomarkers LP393599-8 Hemoglobin casts · 1 biomarkers LP31780-7 Hemoglobin casts | Urine sediment | Urinalysis · 1 biomarkers LP402440-4 Hemoglobin E · 1 biomarkers LP16427-4 Hemoglobin E | Blood | Hematology and Cell counts · 1 biomarkers LP393615-2 Hemoglobinopathies conditions suspected · 1 biomarkers LP149694-4 Hemoglobinopathies conditions suspected | DBS | Chemistry - non-challenge · 1 biomarkers LP407459-9 Heparan sulfate | DBS | Chemistry - non-challenge · 1 biomarkers LP386011-3 Heparan sulfate | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP386012-1 Heparan sulfate | Urine | Chemistry - non-challenge · 1 biomarkers LP386013-9 Heparan-N-sulfatase · 1 biomarkers LP14028-2 Heparan-N-sulfatase | White blood cells | Chemistry - non-challenge · 1 biomarkers LP383046-2 Heparin dose response slope · 1 biomarkers LP212283-8 Heparin dose response slope | Blood | Coagulation · 1 biomarkers LP393941-2 Heparin neutralization · 1 biomarkers LP16000-9 Heparin neutralization | Blood | Coagulation · 1 biomarkers LP394259-8 Heparin unfractionated · 1 biomarkers LP16002-5 Heparin unfractionated | Platelet poor plasma | Coagulation · 1 biomarkers LP394262-2 Hepatocellular carcinoma risk · 1 biomarkers LP421240-5 Hepatocellular carcinoma risk | Patient | Chemistry - non-challenge · 1 biomarkers LP421849-3 Heptacarboxylporphyrin I | Stool | Chemistry - non-challenge · 1 biomarkers LP386456-0 Heptacarboxylporphyrin III | Stool | Chemistry - non-challenge · 1 biomarkers LP386458-6 Heptanoylcarnitine (C7) · 1 biomarkers LP70091-1 Heptanoylcarnitine (C7) | DBS | Chemistry - non-challenge · 1 biomarkers LP381719-6 Herpes simplex virus | Genital | Microbiology · 1 biomarkers LP442175-8 Herpes simplex virus | Vaginal | Microbiology · 1 biomarkers LP442190-7 Herpes simplex virus | XXX | Microbiology · 1 biomarkers LP442192-3 Herpes simplex virus and Varicella zoster virus · 1 biomarkers LP124551-5 Herpes simplex virus and Varicella zoster virus | XXX | Microbiology · 1 biomarkers LP444676-3 Herpes simplex virus+Varicella zoster virus · 1 biomarkers LP30794-9 Hexacarboxylporphyrin I | Stool | Chemistry - non-challenge · 1 biomarkers LP386471-9 Hexacarboxylporphyrin III | Stool | Chemistry - non-challenge · 1 biomarkers LP386472-7 Hexadecadienoate (C16:2) | Red Blood Cells | Chemistry - non-challenge · 1 biomarkers LP382160-2 Hexadecadienoate (C16:2) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382161-0 Hexadecenoate (C16:1w9) | Red Blood Cells | Chemistry - non-challenge · 1 biomarkers LP382092-7 Hexadecenoate (C16:1w9) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382093-5 Hexanoic acids · 1 biomarkers LP31729-4 Hexanoylcarnitine (C6) | DBS | Chemistry - non-challenge · 1 biomarkers LP381694-1 Hexanoylcarnitine (C6) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP381697-4 Hexenoylcarnitine (C6:1) · 1 biomarkers LP70090-3 Hexenoylcarnitine (C6:1) | DBS | Chemistry - non-challenge · 1 biomarkers LP381713-9 Hexokinase · 1 biomarkers LP15631-2 Hexokinase | Red Blood Cells | Chemistry - non-challenge · 1 biomarkers LP383048-8 HFE gene · 1 biomarkers LP19724-1 HFE gene.p.Cys282Tyr · 1 biomarkers LP19725-8 HFE gene.p.Cys282Tyr | Blood or Tissue | Mutations · 1 biomarkers LP409826-7 Histidine | Amniotic fluid | Chemistry - non-challenge · 1 biomarkers LP384006-5 Histidine | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384010-7 Histidine | DBS | Chemistry - non-challenge · 1 biomarkers LP384008-1 Histidine | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384012-3 Histiocytes | Bone marrow | Hematology and Cell counts · 1 biomarkers LP393063-5 HL7 cytogenetics · 1 biomarkers LP111381-2 HLA-B*57:01 · 1 biomarkers LP36049-2 HLA-B*57:01 | XXX | HLA antigens · 1 biomarkers LP401211-0 HLA-B57 · 1 biomarkers LP36050-0 Homo-gamma Linolenate (C20:3w6) · 1 biomarkers LP33075-0 Homo-gamma Linolenate (C20:3w6) | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP382149-5 Homocitrulline | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP383847-3 Homocitrulline | DBS | Chemistry - non-challenge · 1 biomarkers LP383846-5 Homocitrulline | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP383848-1 Homocysteine | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP386294-5 Homocysteine | DBS | Chemistry - non-challenge · 1 biomarkers LP386292-9 Homocysteine | Urine | Chemistry - non-challenge · 1 biomarkers LP386296-0 Homocystine | Amniotic fluid | Chemistry - non-challenge · 1 biomarkers LP386303-4 Homocystine | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP386306-7 Homocystine | DBS | Chemistry - non-challenge · 1 biomarkers LP386304-2 Homocystine | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP386307-5 Homovanillate | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP381229-6 Homovanillate | Serum | Chemistry - non-challenge · 1 biomarkers LP381230-4 Homovanillate and Creatinine · 1 biomarkers LP36805-7 Homovanillate and Creatinine | Urine | Chemistry - non-challenge · 1 biomarkers LP416957-1 Horowitz index | Arterial blood and Inhaled gas | Chemistry - non-challenge · 1 biomarkers LP386669-8 Horowitz index | Venous blood and Inhaled gas | Chemistry - non-challenge · 1 biomarkers LP386672-2 Howell-Jolly bodies · 1 biomarkers LP17679-9 Howell-Jolly bodies | Blood | Hematology and Cell counts · 1 biomarkers LP393392-8 Human epididymis protein 4 · 1 biomarkers LP93517-8 Human epididymis protein 4 | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP386128-5 HYDROcodone · 1 biomarkers LP16161-9 HYDROcodone | Urine | Drug toxicology · 1 biomarkers LP389925-1 HYDROmorphone · 1 biomarkers LP16162-7 HYDROmorphone | Urine | Drug toxicology · 1 biomarkers LP389947-5 Hydroxyapatite · 1 biomarkers LP208508-4 Hydroxyapatite | Urine | Chemistry - non-challenge · 1 biomarkers LP386720-9 Hydroxydecanedioate · 1 biomarkers LP18439-7 Hydroxydecanedioate | Urine | Chemistry - non-challenge · 1 biomarkers LP382349-1 Hydroxylysine | Amniotic fluid | Chemistry - non-challenge · 1 biomarkers LP384033-9 Hydroxylysine | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384036-2 Hydroxylysine | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384038-8 Hydroxyproline | Amniotic fluid | Chemistry - non-challenge · 1 biomarkers LP384052-9 Hydroxyproline | Cerebral spinal fluid | Chemistry - non-challenge · 1 biomarkers LP384055-2 Hydroxyproline | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP384056-0 Hyodeoxycholate · 1 biomarkers LP411050-0 Hyodeoxycholate | Serum or Plasma | Chemistry - non-challenge · 1 biomarkers LP416980-3 Hyperchromia · 1 biomarkers LP31531-4 Hyperchromia | Blood | Hematology and Cell counts · 1 biomarkers LP393444-7