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 78 of 2,187 · by category · by group · panels · answer lists · parts
Nicomorphine (Urine) · Drug and toxicology 3851-3 Nicotinamide (Urine) · Drug and toxicology 3852-1 Nicotine · Drug and toxicology 3853-9 Nicotine (Urine) · Drug and toxicology 3854-7 Nikethamide (Urine, qualitative) · Drug and toxicology 3855-4 Nikethamide (Urine) · Drug and toxicology 3856-2 Nikethamide in 24 hour Urine · Drug and toxicology 3857-0 Nitrazepam · Drug and toxicology 3858-8 Nitrazepam (Urine) · Drug and toxicology 3859-6 Nitrofurantoin · Drug and toxicology 3860-4 Nordiazepam (Urine, qualitative) · Drug and toxicology 3861-2 Nordoxepin · Drug and toxicology 3862-0 Norethandrolone (Urine, qualitative) · Drug and toxicology 3863-8 Norethandrolone (Urine) · Drug and toxicology 3864-6 Norethandrolone in 24 hour Urine · Drug and toxicology 3865-3 Norfenefrine (Urine) · Drug and toxicology 3866-1 Norfloxacin · Drug and toxicology 3867-9 Norfluoxetine · Drug and toxicology 3868-7 Normeperidine (Urine) · Drug and toxicology 3869-5 Norpropoxyphene (qualitative) · Drug and toxicology 3870-3 Norpropoxyphene (Urine, qualitative) · Drug and toxicology 3871-1 Nortriptyline · Drug and toxicology 3872-9 Nortriptyline (qualitative) · Drug and toxicology 3873-7 Nortriptyline (Urine, qualitative) · Drug and toxicology 3874-5 Nortriptyline (Urine) · Drug and toxicology 3875-2 Nortriptyline --trough >12 hours post dose · Drug and toxicology 3876-0 Ofloxacin · Drug and toxicology 3877-8 Opiates (qualitative) · Drug and toxicology 3878-6 Opiates (Urine, qualitative) · Drug and toxicology 3879-4 Orphenadrine · Drug and toxicology 3880-2 Ouabain · Drug and toxicology 3881-0 Oxacillin · Drug and toxicology 3882-8 Oxandrolone (Urine, qualitative) · Drug and toxicology 3883-6 Oxandrolone (Urine) · Drug and toxicology 3884-4 Oxandrolone in 24 hour Urine · Drug and toxicology 3885-1 Oxazepam · Drug and toxicology 3886-9 Oxazepam (Urine) · Drug and toxicology 3887-7 Oxedrine (Urine) · Drug and toxicology 3888-5 Oxprenolol · Drug and toxicology 3889-3 Oxprenolol (Urine, qualitative) · Drug and toxicology 3890-1 Oxprenolol (Urine) · Drug and toxicology 3891-9 Oxprenolol in 24 hour Urine · Drug and toxicology 3892-7 oxyCODONE · Drug and toxicology 3893-5 Oxymesterone (Urine, qualitative) · Drug and toxicology 3894-3 Oxymesterone (Urine) · Drug and toxicology 3895-0 Oxymesterone in 24 hour Urine · Drug and toxicology 3896-8 Oxymetholone (Urine, qualitative) · Drug and toxicology 3897-6 Oxymetholone (Urine) · Drug and toxicology 3898-4 Oxymetholone in 24 hour Urine · Drug and toxicology 3899-2 Oxyphenbutazone · Drug and toxicology 3900-8