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 70 of 2,187 · by category · by group · panels · answer lists · parts
cefTRIAXone · Drug and toxicology 3451-2 Cefuroxime Parenteral · Drug and toxicology 3452-0 Cephalexin · Drug and toxicology 3453-8 Cephalothin · Drug and toxicology 3454-6 Chloramphenicol · Drug and toxicology 3455-3 chlordiazePOXIDE (qualitative) · Drug and toxicology 3456-1 chlordiazePOXIDE · Drug and toxicology 3457-9 chlordiazePOXIDE (Urine, qualitative) · Drug and toxicology 3458-7 chlordiazePOXIDE (Urine) · Drug and toxicology 3459-5 Chlormerodrin (Urine, qualitative) · Drug and toxicology 3460-3 Chlormerodrin in 24 hour Urine · Drug and toxicology 3461-1 Chlormerodrin (Urine) · Drug and toxicology 3462-9 Chloroquine · Drug and toxicology 3463-7 Chlorothiazide · Drug and toxicology 3464-5 Chlorpheniramine (qualitative) · Drug and toxicology 3465-2 Chlorpheniramine · Drug and toxicology 3466-0 Chlorpheniramine (Urine, qualitative) · Drug and toxicology 3467-8 Chlorphentermine (Blood) · Drug and toxicology 3468-6 Chlorphentermine (Urine, qualitative) · Drug and toxicology 3469-4 Chlorphentermine (Urine) · Drug and toxicology 3470-2 chlorproMAZINE · Drug and toxicology 3471-0 chlorproMAZINE (Urine, qualitative) · Drug and toxicology 3472-8 chlorproMAZINE (Urine) · Drug and toxicology 3473-6 chlorproPAMIDE · Drug and toxicology 3474-4 Chlorprothixene (Blood) · Drug and toxicology 3475-1 Chlorprothixene · Drug and toxicology 3476-9 Chlorprothixene (Urine) · Drug and toxicology 3477-7 Chlorthalidone (Urine, qualitative) · Drug and toxicology 3478-5 Chlorthalidone (Urine) · Drug and toxicology 3479-3 Chlorthalidone in 24 hour Urine · Drug and toxicology 3480-1 Cimetidine (qualitative) · Drug and toxicology 3481-9 Cimetidine · Drug and toxicology 3482-7 Cimetidine (Urine, qualitative) · Drug and toxicology 3483-5 Ciprofloxacin · Drug and toxicology 3484-3 CISplatin · Drug and toxicology 3485-0 Clindamycin · Drug and toxicology 3486-8 cloBAZam · Drug and toxicology 3487-6 Clobenzorex (Urine, qualitative) · Drug and toxicology 3488-4 Clobenzorex (Urine) · Drug and toxicology 3489-2 Clofibrate · Drug and toxicology 3490-0 clomiPRAMINE · Drug and toxicology 3491-8 clomiPRAMINE (Urine) · Drug and toxicology 3492-6 clomiPRAMINE+Norclomipramine · Drug and toxicology 3493-4 clonazePAM · Drug and toxicology 3494-2 cloNIDine · Drug and toxicology 3495-9 Clopenthixol · Drug and toxicology 3496-7 Clopenthixol (Urine) · Drug and toxicology 3497-5 Clorazepate · Drug and toxicology 3498-3 Clorprenaline (Urine, qualitative) · Drug and toxicology 3499-1 Clorprenaline (Urine) · Drug and toxicology 3500-6