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 68 of 2,187 · by category · by group · panels · answer lists · parts
Amphetaminil (Urine) · Drug and toxicology 3351-4 Amphetaminil in 24 hour Urine · Drug and toxicology 3352-2 Amphotericin B (CSF) · Drug and toxicology 3353-0 Amphotericin B · Drug and toxicology 3354-8 Ampicillin · Drug and toxicology 3355-5 Anileridine · Drug and toxicology 3356-3 Anileridine (Urine, qualitative) · Drug and toxicology 3357-1 Anileridine in 24 hour Urine · Drug and toxicology 3358-9 Anileridine in 24 hour Urine · Drug and toxicology 3359-7 Atenolol (Urine, qualitative) · Drug and toxicology 3360-5 Atenolol (Urine) · Drug and toxicology 3361-3 Atenolol in 24 hour Urine · Drug and toxicology 3362-1 Anthraquinone · Drug and toxicology 3363-9 Antipyrine · Drug and toxicology 3364-7 Antipyrine renal clearance in 24 hour Urine and Serum or Plasma · Drug and toxicology 3365-4 Atenolol · Drug and toxicology 3366-2 Atropine · Drug and toxicology 3367-0 Azlocillin · Drug and toxicology 3368-8 Aztreonam · Drug and toxicology 3369-6 Barbital · Drug and toxicology 3370-4 Barbital (Urine) · Drug and toxicology 3371-2 Barbiturate screen absent (Urine) · Drug and toxicology 3372-0 Barbiturate screen absent (Urine) · Drug and toxicology 3373-8 Barbiturate screen present (Urine) · Drug and toxicology 3374-6 Barbiturate screen present (Urine) · Drug and toxicology 3375-3 Barbiturates, Plasma or Blood (qualitative) · Drug and toxicology 3376-1 Barbiturates (Urine, qualitative) · Drug and toxicology 3377-9 Bendroflumethiazide (Urine, qualitative) · Drug and toxicology 3378-7 Bendroflumethiazide (Urine) · Drug and toxicology 3379-5 Bendroflumethiazide in 24 hour Urine · Drug and toxicology 3380-3 Benzfetamine (Blood) · Drug and toxicology 3381-1 Benzfetamine (Urine, qualitative) · Drug and toxicology 3382-9 Benzfetamine (Urine) · Drug and toxicology 3383-7 Benzfetamine in 24 hour Urine · Drug and toxicology 3384-5 Benzodiazepines negative (Urine) · Drug and toxicology 3385-2 Benzodiazepines negative (Urine) · Drug and toxicology 3386-0 Benzodiazepines positive (Urine) · Drug and toxicology 3387-8 Benzodiazepines positive (Urine) · Drug and toxicology 3388-6 Benzodiazepines (qualitative) · Drug and toxicology 3389-4 Benzodiazepines (Urine, qualitative) · Drug and toxicology 3390-2 Benzoylecgonine (qualitative) · Drug and toxicology 3391-0 Benzoylecgonine · Drug and toxicology 3392-8 Benzoylecgonine (Urine, qualitative) · Drug and toxicology 3393-6 Benzoylecgonine (Urine) · Drug and toxicology 3394-4 Cocaine (qualitative) · Drug and toxicology 3395-1 Cocaine · Drug and toxicology 3396-9 Cocaine (Urine, qualitative) · Drug and toxicology 3397-7 Cocaine (Urine) · Drug and toxicology 3398-5 Benzthiazide (Urine, qualitative) · Drug and toxicology 3399-3 Benzthiazide (Urine) · Drug and toxicology 3400-9