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 17 of 2,187 · by category · by group · panels · answer lists · parts
Sickle cells (qualitative, light microscopy) · Hematology and blood count 801-1 Spherocytes (qualitative, light microscopy) · Hematology and blood count 802-9 Toxic granules (qualitative, light microscopy) · Hematology and blood count 803-7 Leukocytes (manual count) · Hematology and blood count 804-5 Leukocytes (CSF, automated count) · Hematology and blood count 805-2 Leukocytes (CSF, manual count) · Hematology and blood count 806-0 Leukocytes (Pleural Fluid, automated count) · Hematology and blood count 807-8 Leukocytes (Pleural Fluid, manual count) · Hematology and blood count 808-6 Leukocytes (Peritoneal Fluid, automated count) · Hematology and blood count 809-4 Leukocytes (Peritoneal Fluid, manual count) · Hematology and blood count 810-2 Leukocytes (Semen, automated count) · FERT 811-0 Leukocytes (Semen, manual count) · FERT 812-8 Leukocytes (Synovial Fluid, automated count) · Hematology and blood count 813-6 Leukocytes (Synovial Fluid, manual count) · Hematology and blood count 814-4 A Ab from Blood product unit (qualitative) · Blood bank 815-1 A Ab from Donor (qualitative) · Blood bank 816-9 A Ab (qualitative) · Blood bank 817-7 A Ag on Red Blood Cells from Blood product unit (qualitative) · Blood bank 818-5 A Ag on Red Blood Cells from Donor (qualitative) · Blood bank 819-3 A Ag on Red Blood Cells (qualitative) · Blood bank 820-1 Au sup(a) Ab from Blood product unit (qualitative) · Blood bank 821-9 Au sup(a) Ab from Donor (qualitative) · Blood bank 822-7 Au sup(a) Ab (qualitative) · Blood bank 823-5 Au sup(a) Ag on Red Blood Cells from Blood product unit (qualitative) · Blood bank 824-3 Au sup(a) Ag on Red Blood Cells from Donor (qualitative) · Blood bank 825-0 Au sup(a) Ag on Red Blood Cells (qualitative) · Blood bank 826-8 Am Ag on Red Blood Cells from Blood product unit (qualitative) · Blood bank 827-6 Am Ag on Red Blood Cells from Donor (qualitative) · Blood bank 828-4 Am Ag on Red Blood Cells (qualitative) · Blood bank 829-2 A variant subtype Ab from Blood product unit (qualitative) · Blood bank 830-0 A variant subtype Ab from donor (qualitative) · Blood bank 831-8 A variant subtype Ab (qualitative) · Blood bank 832-6 A variant subtype Ab in RBC from Blood product unit (qualitative) · Blood bank 833-4 A variant subtype Ab on Red Blood Cells from donor (qualitative) · Blood bank 834-2 A variant subtype Ab in on Red Blood Cells (qualitative) · Blood bank 835-9 Ax Ag on Red Blood Cells from Blood product unit (qualitative) · Blood bank 836-7 Ax Ag on Red Blood Cells from Donor (qualitative) · Blood bank 837-5 Ax Ag on Red Blood Cells (qualitative) · Blood bank 838-3 A1 Ab from Blood product unit (qualitative) · Blood bank 839-1 A1 Ab from Donor (qualitative) · Blood bank 840-9 A1 Ab (qualitative) · Blood bank 841-7 A1 Ag on Red Blood Cells from Blood product unit (qualitative) · Blood bank 842-5 A1 Ag on Red Blood Cells from Donor (qualitative) · Blood bank 843-3 A1 Ag on Red Blood Cells (qualitative) · Blood bank 844-1 A1 B Ab from Blood product unit (qualitative) · Blood bank 845-8 A1 B Ab on Red Blood Cells from donor (qualitative) · Blood bank 846-6 A1 B Ab (qualitative) · Blood bank 847-4 A1 B Ag on Red Blood Cells from Blood product unit (qualitative) · Blood bank 848-2 A1 B Ag on Red Blood Cells from Donor (qualitative) · Blood bank 849-0 A1 B Ag on Red Blood Cells (qualitative) · Blood bank 850-8