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 79 of 2,187 · by category · by group · panels · answer lists · parts
Para hydroxyamphetamine (Urine, qualitative) · Drug and toxicology 3901-6 Para hydroxyamphetamine (Urine) · Drug and toxicology 3902-4 Para hydroxyamphetamine in 24 hour Urine · Drug and toxicology 3903-2 Paraldehyde (Blood) · Drug and toxicology 3904-0 Paraldehyde · Drug and toxicology 3905-7 Pefloxacin · Drug and toxicology 3906-5 Pemoline · Drug and toxicology 3907-3 Pemoline (Urine, qualitative) · Drug and toxicology 3908-1 Pemoline (Urine) · Drug and toxicology 3909-9 Pemoline in 24 hour Urine · Drug and toxicology 3910-7 Penicillin · Drug and toxicology 3911-5 Penicillin (Urine) · Drug and toxicology 3912-3 Penicillin G · Drug and toxicology 3913-1 Penicillin V · Drug and toxicology 3914-9 Pentazocine (qualitative) · Drug and toxicology 3915-6 Pentazocine · Drug and toxicology 3916-4 Pentazocine (Urine, qualitative) · Drug and toxicology 3917-2 Pentazocine (Urine) · Drug and toxicology 3918-0 Pentazocine in 24 hour Urine · Drug and toxicology 3919-8 Pentetrazol (Urine, qualitative) · Drug and toxicology 3920-6 Pentetrazol (Urine) · Drug and toxicology 3921-4 Pentetrazol in 24 hour Urine · Drug and toxicology 3922-2 PENTobarbital (qualitative) · Drug and toxicology 3923-0 PENTobarbital · Drug and toxicology 3924-8 PENTobarbital (Urine, qualitative) · Drug and toxicology 3925-5 PENTobarbital (Urine) · Drug and toxicology 3926-3 Perphenazine · Drug and toxicology 3927-1 Perphenazine (Urine) · Drug and toxicology 3928-9 Phenacetin · Drug and toxicology 3929-7 Phenacetin · Drug and toxicology 3930-5 Phenazocine (Urine, qualitative) · Drug and toxicology 3931-3 Phenazocine (Urine) · Drug and toxicology 3932-1 Phenazocine in 24 hour Urine · Drug and toxicology 3933-9 Phencyclidine · Drug and toxicology 3934-7 Phencyclidine (qualitative) · Drug and toxicology 3935-4 Phencyclidine (Urine, qualitative) · Drug and toxicology 3936-2 Phencyclidine (Urine) · Drug and toxicology 3937-0 Phendimetrazine · Drug and toxicology 3938-8 Phendimetrazine (Urine, qualitative) · Drug and toxicology 3939-6 Phendimetrazine (Urine) · Drug and toxicology 3940-4 Phendimetrazine in 24 hour Urine · Drug and toxicology 3941-2 Pheniramine · Drug and toxicology 3942-0 Phenmetrazine · Drug and toxicology 3943-8 Phenmetrazine (Urine, qualitative) · Drug and toxicology 3944-6 Phenmetrazine (Urine) · Drug and toxicology 3945-3 Phenmetrazine in 24 hour Urine · Drug and toxicology 3946-1 PHENobarbital (qualitative) · Drug and toxicology 3947-9 PHENobarbital · Drug and toxicology 3948-7 PHENobarbital (Urine, qualitative) · Drug and toxicology 3949-5 PHENobarbital (Urine) · Drug and toxicology 3950-3