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 80 of 2,187 · by category · by group · panels · answer lists · parts
PHENobarbital Free · Drug and toxicology 3951-1 Phenothiazines (qualitative) · Drug and toxicology 3952-9 Phenothiazines (Urine, qualitative) · Drug and toxicology 3953-7 Phenothiazines (Urine) · Drug and toxicology 3954-5 Phensuximide · Drug and toxicology 3955-2 Phentermine (Blood) · Drug and toxicology 3956-0 Phentermine (Urine, qualitative) · Drug and toxicology 3957-8 Phentermine (Urine) · Drug and toxicology 3958-6 Phentermine in 24 hour Urine · Drug and toxicology 3959-4 Phenylbutazone · Drug and toxicology 3960-2 Phenylbutazone · Drug and toxicology 3961-0 Phenylephrine (Urine) · Drug and toxicology 3962-8 Phenylpropanolamine (qualitative) · Drug and toxicology 3963-6 Phenylpropanolamine · Drug and toxicology 3964-4 Phenylpropanolamine (Urine, qualitative) · Drug and toxicology 3965-1 Phenylpropanolamine in 24 hour Urine · Drug and toxicology 3966-9 Phenytoin (qualitative) · Drug and toxicology 3967-7 Phenytoin · Drug and toxicology 3968-5 Phenytoin Free · Drug and toxicology 3969-3 Pholedrine (Urine) · Drug and toxicology 3970-1 Pindolol · Drug and toxicology 3971-9 Piperacillin · Drug and toxicology 3972-7 Pipradrol (Urine, qualitative) · Drug and toxicology 3973-5 Pipradrol (Urine) · Drug and toxicology 3974-3 Pipradrol in 24 hour Urine · Drug and toxicology 3975-0 Practolol (Urine) · Drug and toxicology 3976-8 Prazepam · Drug and toxicology 3977-6 Primidone · Drug and toxicology 3978-4 Probenecid (Urine, qualitative) · Drug and toxicology 3979-2 Probenecid (Urine) · Drug and toxicology 3980-0 Probenecid in 24 hour Urine · Drug and toxicology 3981-8 Procainamide · Drug and toxicology 3982-6 Procainamide+N-acetylprocainamide · Drug and toxicology 3983-4 Prolintane (Urine, qualitative) · Drug and toxicology 3984-2 Prolintane (Urine) · Drug and toxicology 3985-9 Prolintane in 24 hour Urine · Drug and toxicology 3986-7 Promazine (Urine) · Drug and toxicology 3987-5 Promethazine · Drug and toxicology 3988-3 Promethazine (Urine) · Drug and toxicology 3989-1 Propranolol in 24 hour Urine · Drug and toxicology 3990-9 Propranolol (qualitative) · Drug and toxicology 3991-7 Propranolol · Drug and toxicology 3992-5 Propranolol (Urine, qualitative) · Drug and toxicology 3993-3 Propranolol (Urine) · Drug and toxicology 3994-1 Propylhexedrine (Blood) · Drug and toxicology 3995-8 Propylhexedrine (Urine, qualitative) · Drug and toxicology 3996-6 Propylhexedrine (Urine) · Drug and toxicology 3997-4 Propylhexedrine in 24 hour Urine · Drug and toxicology 3998-2 Protriptyline · Drug and toxicology 3999-0 Protriptyline (qualitative) · Drug and toxicology 4000-6