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 391 of 2,187 · by category · by group · panels · answer lists · parts
Microscopic observation in Cervical or vaginal smear or scraping (cyto stain) · CYTO 19765-7 Microscopic observation in Cervical or vaginal smear or scraping (cyto stain narrative) · CYTO 19766-5 Cytologist who read Cyto stain of Cervical or vaginal smear or scraping · CYTO 19767-3 Reviewing cytologist who read Cyto stain of Cervical or vaginal smear or scraping · CYTO 19768-1 Pathologist who read Cyto stain of Cervical or vaginal smear or scraping · CYTO 19769-9 Specimen source in Cervical or vaginal smear or scraping (cyto stain) · CYTO 19770-7 Screening techniques in Cervical or vaginal smear or scraping (cyto stain) · CYTO 19771-5 Preparation techniques in Cervical or vaginal smear or scraping (cyto stain) · CYTO 19772-3 Recommended follow-up in Cervical or vaginal smear or scraping (cyto stain) · CYTO 19773-1 Cytology study comment Cervical or vaginal smear or scraping Cyto stain · CYTO 19774-9 Relevant Hx and Px for procedure Narrative Endoscopy · ENDO.GI 19775-6 Relevant Hx and Px for procedure Endoscopy · ENDO.GI 19776-4 Indications Endoscopy · ENDO.GI 19777-2 Indications description Narrative Endoscopy · ENDO.GI 19778-0 Procedure Endoscopy · ENDO.GI 19779-8 Procedure description Narrative Endoscopy · ENDO.GI 19780-6 Procedure monitoring parameters Endoscopy study · ENDO.GI 19781-4 Procedure monitoring description Endoscopy study Narrative · ENDO.GI 19782-2 Type of Endoscopy device · ENDO.GI 19783-0 Endoscopy device Institution inventory number · ENDO.GI 19784-8 Endoscopy device Vendor model number · ENDO.GI 19785-5 Endoscopy device Vendor serial number · ENDO.GI 19786-3 Cleaning method Endoscopy device · ENDO.GI 19787-1 Date and time of cleaning Endoscopy device · ENDO.GI 19788-9 Medications · ENDO.GI 19789-7 Medication administration Narrative · ENDO.GI 19790-5 Insertion depth Gastrointestinal tract upper EGD · ENDO.GI 19791-3 Examination extent landmark Gastrointestinal tract upper EGD · ENDO.GI 19792-1 Examination extent landmark Biliary duct Narrative ERCP · ENDO.GI 19793-9 Examination extent landmark Pancreatic duct ERCP · ENDO.GI 19794-7 Insertion depth Gastrointestinal tract lower Flexible sigmoidoscopy · ENDO.GI 19795-4 Examination extent landmark Gastrointestinal tract lower Flexible sigmoidoscopy · ENDO.GI 19796-2 Examination extent landmark Abdomen Narrative Laparoscopy · ENDO.GI 19797-0 Limitations of examination Endoscopy procedure · ENDO.GI 19798-8 Limitations of examination Endoscopy procedure Narrative · ENDO.GI 19799-6 Number of specimens obtained Gastrointestinal tract upper EGD · ENDO.GI 19800-2 Specimen obtained Gastrointestinal tract upper EGD · ENDO.GI 19801-0 Specimen obtained Gastrointestinal tract upper EGD · ENDO.GI 19802-8 Specimen site Narrative · ENDO.GI 19803-6 Endoscopy procedure Study observation · ENDO.GI 19804-4 Endoscopy procedure Study observation Narrative · ENDO.GI 19805-1 Diagnosis Gastrointestinal tract upper · ENDO.GI 19806-9 Diagnosis Biliary duct and Pancreatic duct · ENDO.GI 19807-7 Diagnosis Gastrointestinal tract lower · ENDO.GI 19808-5 Diagnosis Abdomen · ENDO.GI 19809-3 Diagnosis Endoscopy Procedure · ENDO.GI 19810-1 Diagnosis Endoscopy Procedure Narrative · ENDO.GI 19811-9 Therapeutic intervention Endoscopy procedure · ENDO.GI 19812-7 Therapeutic intervention Endoscopy procedure Narrative · ENDO.GI 19813-5 Therapeutic results Endoscopy procedure · ENDO.GI 19814-3