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 393 of 2,187 · by category · by group · panels · answer lists · parts
Vital capacity Respiratory system Predicted · Pulmonary 19865-5 Vital capacity Respiratory system (spirometry) · Pulmonary 19866-3 Vital capacity Respiratory system · Pulmonary 19867-1 Forced vital capacity Respiratory system (spirometry) · Pulmonary 19868-9 Forced vital capacity Respiratory system Predicted · Pulmonary 19869-7 Forced vital capacity Respiratory system · Pulmonary 19870-5 FVC pre bronchodilation measured/predicted · Pulmonary 19871-3 FVC measured/predicted · Pulmonary 19872-1 FVC post bronchodilation measured/predicted · Pulmonary 19873-9 Forced vital capacity Respiratory system (spirometry --post bronchodilation) · Pulmonary 19874-7 Forced vital capacity Respiratory system --post bronchodilation · Pulmonary 19875-4 Forced vital capacity Respiratory system (spirometry --pre bronchodilation) · Pulmonary 19876-2 Forced vital capacity Respiratory system --pre bronchodilation · Pulmonary 19877-0 Carbon dioxide (8 hour maximum) Transcutaneous CO2 monitor (Capillary Blood) · Pulmonary 19878-8 Carbon dioxide (8 hour maximum) (Capillary Blood) · Pulmonary 19879-6 Carbon dioxide (8 hour minimum) Transcutaneous CO2 monitor (Capillary Blood) · Pulmonary 19880-4 Carbon dioxide (8 hour minimum) (Capillary Blood) · Pulmonary 19881-2 Carbon dioxide in Ventilator airway circuit (infrared absorption) · Pulmonary 19882-0 Carbon dioxide in Ventilator airway circuit · Pulmonary 19883-8 Carbon dioxide Preductal (Blood, transcutaneous co2 monitor) · Pulmonary 19884-6 Carbon dioxide Preductal (Blood) · Pulmonary 19885-3 Carbon dioxide Postductal (Blood, transcutaneous co2 monitor) · Pulmonary 19886-1 Carbon dioxide Postductal (Blood) · Pulmonary 19887-9 Carbon dioxide/Gas.total.at end expiration in Exhaled gas (infrared absorption) · Pulmonary 19888-7 Carbon dioxide/Gas.total.at end expiration in Exhaled gas · Pulmonary 19889-5 Carbon dioxide in Exhaled gas (calculated --at end expiration) · Pulmonary 19890-3 Carbon dioxide in Exhaled gas --at end expiration · Pulmonary 19891-1 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --during bronchodilation) · Pulmonary 19892-9 Carbon dioxide --during bronchodilation (Capillary Blood) · Pulmonary 19893-7 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --during chest physiotherapy) · Pulmonary 19894-5 Carbon dioxide --during chest physiotherapy (Capillary Blood) · Pulmonary 19895-2 Carbon dioxide --during XXX treatment (Capillary Blood) · Pulmonary 19896-0 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --during xxx treatment) · Pulmonary 19897-8 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --post bronchodilation) · Pulmonary 19898-6 Carbon dioxide --post bronchodilation (Capillary Blood) · Pulmonary 19899-4 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --post chest physiotherapy) · Pulmonary 19900-0 Carbon dioxide --post chest physiotherapy (Capillary Blood) · Pulmonary 19901-8 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --post xxx treatment) · Pulmonary 19902-6 Carbon dioxide --post XXX treatment (Capillary Blood) · Pulmonary 19903-4 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --pre bronchodilation) · Pulmonary 19904-2 Carbon dioxide --pre bronchodilation (Capillary Blood) · Pulmonary 19905-9 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --pre chest physiotherapy) · Pulmonary 19906-7 Carbon dioxide --pre chest physiotherapy (Capillary Blood) · Pulmonary 19907-5 Carbon dioxide (Capillary Blood, transcutaneous co2 monitor --pre xxx treatment) · Pulmonary 19908-3 Carbon dioxide --pre XXX treatment (Capillary Blood) · Pulmonary 19909-1 Diffusion capacity.carbon monoxide Predicted · Pulmonary 19910-9 Diffusion capacity.carbon monoxide · Pulmonary 19911-7 Diffusion capacity.carbon monoxide adjusted for hemoglobin (helium single breath) · Pulmonary 19912-5 Diffusion capacity.carbon monoxide adjusted for hemoglobin · Pulmonary 19913-3 Diffusion capacity/Alveolar volume (single breath.carbon monoxide+helium) · Pulmonary 19914-1