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 93 of 2,187 · by category · by group · panels · answer lists · parts
Hemoglobin Kempsey (qualitative, electrophoresis acid (ph 6.3)) · Hematology and blood count 4601-1 Hemoglobin Kempsey (qualitative, electrophoresis alkaline (ph 8.9)) · Hematology and blood count 4602-9 Hemoglobin Koln (qualitative) · Hematology and blood count 4603-7 Hemoglobin Lepore (qualitative, electrophoresis acid (ph 6.3)) · Hematology and blood count 4604-5 Hemoglobin Lepore (qualitative, electrophoresis alkaline (ph 8.9)) · Hematology and blood count 4605-2 Hemoglobin M - Boston (qualitative) · Hematology and blood count 4606-0 Hemoglobin M - Hyde Park (qualitative) · Hematology and blood count 4607-8 Hemoglobin M - Iwate (qualitative) · Hematology and blood count 4608-6 Hemoglobin M - Milwaukee (qualitative) · Hematology and blood count 4609-4 Hemoglobin M - Saskatoon (qualitative) · Hematology and blood count 4610-2 Hemoglobin Malmo (qualitative, electrophoresis acid (ph 6.3)) · Hematology and blood count 4611-0 Hemoglobin Malmo (qualitative, electrophoresis alkaline (ph 8.9)) · Hematology and blood count 4612-8 Hemoglobin N - Baltimore (qualitative, electrophoresis acid (ph 6.3)) · Hematology and blood count 4613-6 Hemoglobin N - Baltimore (qualitative, electrophoresis alkaline (ph 8.9)) · Hematology and blood count 4614-4 Hemoglobin N - Seattle (qualitative, electrophoresis acid (ph 6.3)) · Hematology and blood count 4615-1 Hemoglobin N - Seattle (qualitative, electrophoresis alkaline (ph 8.9)) · Hematology and blood count 4616-9 Hemoglobin O - Arab (qualitative, electrophoresis acid (ph 6.3)) · Hematology and blood count 4617-7 Hemoglobin O - Arab (qualitative, electrophoresis alkaline (ph 8.9)) · Hematology and blood count 4618-5 Hemoglobin Ranier (qualitative) · Hematology and blood count 4619-3 Hemoglobin S/Hemoglobin.total · Hematology and blood count 4620-1 Hemoglobin S (qualitative) · Hematology and blood count 4621-9 Hemoglobin S (qualitative, electrophoresis acid (ph 6.3)) · Hematology and blood count 4622-7 Hemoglobin S (qualitative, electrophoresis alkaline (ph 8.9)) · Hematology and blood count 4623-5 Hemoglobin S (qualitative) · Hematology and blood count 4624-3 Hemoglobin S/Hemoglobin.total · Hematology and blood count 4625-0 Hemoglobin Yakima (qualitative) · Hematology and blood count 4626-8 Hemoglobin Yoshizuka (qualitative) · Hematology and blood count 4627-6 Hemoglobin Ypsilanti (qualitative) · Hematology and blood count 4628-4 Hemoglobin Zurich (qualitative, electrophoresis acid (ph 6.3)) · Hematology and blood count 4629-2 Hemoglobin Zurich (qualitative, electrophoresis alkaline (ph 8.9)) · Hematology and blood count 4630-0 Hemoglobin F (Stool, qualitative, apt-downey method) · Hematology and blood count 4631-8 Hemoglobin F (qualitative, alkali denaturation) · Hematology and blood count 4632-6 Hemoglobin F/Hemoglobin.total (kleihauer-betke method) · Hematology and blood count 4633-4 Hemoglobin F/Hemoglobin.total (kleihauer-betke method) · Hematology and blood count 4634-2 Free Hemoglobin (Serum) · Hematology and blood count 4635-9 Free Hemoglobin (Urine) · Hematology and blood count 4636-7 Hemoglobin A1/Hemoglobin.total · Hematology and blood count 4637-5 Thermolabile hemoglobin/Hemoglobin.total (Red Blood Cells) · Hematology and blood count 4638-3 Unstable Hemoglobin (Red Blood Cells, qualitative) · Hematology and blood count 4639-1 Hemolysin cold (Plasma) · Hematology and blood count 4640-9 Hemolysin warm (Plasma) · Hematology and blood count 4641-7 Hemopexin (Serum) · Hematology and blood count 4642-5 Hemosiderin (Serum) · Hematology and blood count 4643-3 Hemosiderin (Urine, qualitative) · Hematology and blood count 4644-1 Hemosiderin (Urine) · Hematology and blood count 4645-8 Heparin unfractionated in Platelet poor plasma (coagulation assay) · Hematology and blood count 4646-6 Heparin unfractionated in 24 hour Urine · Hematology and blood count 4647-4 Homologous restriction factor · Hematology and blood count 4648-2 Interferon (Serum) · Hematology and blood count 4649-0 Interleukin 1 · Chemistry 4650-8