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 63 of 2,187 · by category · by group · panels · answer lists · parts
Uridyl transferase (Tissue) · Chemistry 3101-3 Urobilin (Stool) · Chemistry 3102-1 Urobilin (Urine, qualitative) · Chemistry 3103-9 Urobilin (Urine) · Chemistry 3104-7 Urobilinogen (Stool, qualitative) · Chemistry 3105-4 Urobilinogen (Stool) · Chemistry 3106-2 Urobilinogen (Urine) · Chemistry 3107-0 Urobilinogen in 24 hour Urine · Chemistry 3108-8 Urobilinogen in 2 hour Urine · Chemistry 3109-6 Uronate (Urine) · Chemistry 3110-4 Uroporphyrin 1 isomer (Red Blood Cells) · Chemistry 3111-2 Uroporphyrin (Urine, qualitative) · Chemistry 3112-0 Uroporphyrin in 24 hour Urine · Chemistry 3113-8 Uroporphyrinogen decarboxylase · Chemistry 3114-6 Uroporphyrinogen III synthase · Chemistry 3115-3 Valine (CSF) · Chemistry 3116-1 Valine (qualitative) · Chemistry 3117-9 Valine · Chemistry 3118-7 Valine (Urine) · Chemistry 3119-5 Valine in 24 hour Urine · Chemistry 3120-3 Vanillylmandelate · Chemistry 3121-1 Vanillylmandelate in 24 hour Urine · Chemistry 3122-9 Vanillylmandelate/Creatine (Urine) · Chemistry 3123-7 Vanillylmandelate/Creatinine (Urine) · Chemistry 3124-5 Vasoactive intestinal peptide · Chemistry 3125-2 Vasopressin · Chemistry 3126-0 Viscosity (Body Fluid) · SPEC 3127-8 Viscosity · SPEC 3128-6 Menadione · Chemistry 3129-4 Vitronectin · Chemistry 3130-2 Xanthine · Chemistry 3131-0 Xanthine (Urine) · Chemistry 3132-8 Xanthurenate (Urine) · Chemistry 3133-6 Xylose (Blood) · Chemistry 3134-4 Xylose (Urine) · Chemistry 3135-1 Xylulose · Chemistry 3136-9 Body height Measured · BDYHGT.ATOM 3137-7 Body height Stated · BDYHGT.ATOM 3138-5 Body surface area Measured · BDYSURF.ATOM 3139-3 Body surface area Derived from formula · BDYSURF.ATOM 3140-1 Body weight Measured · BDYWGT.ATOM 3141-9 Body weight Stated · BDYWGT.ATOM 3142-7 Donor relation to patient · CLIN 3143-5 Last menstrual period duration · OBGYN 3144-3 Last menstrual period start · OBGYN 3145-0 Menstrual status · OBGYN 3146-8 Oxygen in Exhaled gas · Chemistry 3147-6 Oxygen in Gas · Chemistry 3148-4 Oxygen in Inhaled gas · Chemistry 3149-2 Inhaled oxygen concentration · CLIN 3150-0