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 67 of 2,187 · by category · by group · panels · answer lists · parts
Acetazolamide (Urine, qualitative) · Drug and toxicology 3301-9 Acetazolamide (Urine) · Drug and toxicology 3302-7 Acetazolamide in 24 hour Urine · Drug and toxicology 3303-5 Acetyldigitoxin · Drug and toxicology 3304-3 Acetylsalicylate (qualitative) · Drug and toxicology 3305-0 Acetylsalicylate · Drug and toxicology 3306-8 Alfentanil · Drug and toxicology 3307-6 Alphaprodine · Drug and toxicology 3308-4 Alphaprodine (Urine, qualitative) · Drug and toxicology 3309-2 Alphaprodine (Urine) · Drug and toxicology 3310-0 Alphaprodine in 24 hour Urine · Drug and toxicology 3311-8 ALPRAZolam · Drug and toxicology 3312-6 ALPRAZolam (Urine) · Drug and toxicology 3313-4 Alprenolol · Drug and toxicology 3314-2 Alprenolol (Urine, qualitative) · Drug and toxicology 3315-9 Alprenolol (Urine) · Drug and toxicology 3316-7 Amantadine · Drug and toxicology 3317-5 Amdinocillin · Drug and toxicology 3318-3 Amikacin --peak · Drug and toxicology 3319-1 Amikacin --random · Drug and toxicology 3320-9 Amikacin --trough · Drug and toxicology 3321-7 aMILoride · Drug and toxicology 3322-5 aMILoride (Urine, qualitative) · Drug and toxicology 3323-3 aMILoride (Urine) · Drug and toxicology 3324-1 aMILoride in 24 hour Urine · Drug and toxicology 3325-8 Aminocaproate --trough · Drug and toxicology 3326-6 Aminopyrine in Exhaled gas · Drug and toxicology 3327-4 Aminopyrine · Drug and toxicology 3328-2 Aminosalicylate · Drug and toxicology 3329-0 Amiodarone · Drug and toxicology 3330-8 Amiodarone+Desethylamiodarone · Drug and toxicology 3331-6 Amitriptyline (qualitative) · Drug and toxicology 3332-4 Amitriptyline · Drug and toxicology 3333-2 Amitriptyline (Urine, qualitative) · Drug and toxicology 3334-0 Amitriptyline+Nortriptyline · Drug and toxicology 3335-7 Amitriptyline --trough >12 hours post dose · Drug and toxicology 3336-5 Amobarbital (qualitative) · Drug and toxicology 3337-3 Amobarbital · Drug and toxicology 3338-1 Amobarbital (Urine, qualitative) · Drug and toxicology 3339-9 Amoxapine (qualitative) · Drug and toxicology 3340-7 Amoxapine · Drug and toxicology 3341-5 Amoxapine (Urine, qualitative) · Drug and toxicology 3342-3 Amoxapine (Urine) · Drug and toxicology 3343-1 Amoxicillin · Drug and toxicology 3344-9 Diethylpropion (Urine, qualitative) · Drug and toxicology 3345-6 Diethylpropion (Urine) · Drug and toxicology 3346-4 Diethylpropion in 24 hour Urine · Drug and toxicology 3347-2 Amphetamines (qualitative) · Drug and toxicology 3348-0 Amphetamines (Urine, qualitative) · Drug and toxicology 3349-8 Amphetaminil (Urine, qualitative) · Drug and toxicology 3350-6