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 77 of 2,187 · by category · by group · panels · answer lists · parts
Methsuximide · Drug and toxicology 3801-8 Methyldopa · Drug and toxicology 3802-6 MethylePHEDrine (Urine, qualitative) · Drug and toxicology 3803-4 MethylePHEDrine (Urine) · Drug and toxicology 3804-2 MethylePHEDrine in 24 hour Urine · Drug and toxicology 3805-9 Methylphenidate (qualitative) · Drug and toxicology 3806-7 Methylphenidate · Drug and toxicology 3807-5 Methylphenidate (Urine, qualitative) · Drug and toxicology 3808-3 Methylphenidate (Urine) · Drug and toxicology 3809-1 Methylphenidate in 24 hour Urine · Drug and toxicology 3810-9 Methyprylon (qualitative) · Drug and toxicology 3811-7 Methyprylon · Drug and toxicology 3812-5 Methyprylon (Urine, qualitative) · Drug and toxicology 3813-3 Methyprylon (Urine) · Drug and toxicology 3814-1 Metoprolol · Drug and toxicology 3815-8 Metoprolol (Urine, qualitative) · Drug and toxicology 3816-6 Metoprolol (Urine) · Drug and toxicology 3817-4 Metoprolol in 24 hour Urine · Drug and toxicology 3818-2 Mexiletine · Drug and toxicology 3819-0 Mezlocillin · Drug and toxicology 3820-8 Midazolam · Drug and toxicology 3821-6 Minocycline · Drug and toxicology 3822-4 Morazone (Urine, qualitative) · Drug and toxicology 3823-2 Morazone (Urine) · Drug and toxicology 3824-0 Morazone in 24 hour Urine · Drug and toxicology 3825-7 Morphine (qualitative) · Drug and toxicology 3826-5 Morphine · Drug and toxicology 3827-3 Morphine Free (Urine, qualitative) · Drug and toxicology 3828-1 Morphine Free (Urine) · Drug and toxicology 3829-9 Morphine (Urine, qualitative) · Drug and toxicology 3830-7 Morphine (Urine) · Drug and toxicology 3831-5 Morphine in 24 hour Urine · Drug and toxicology 3832-3 Moxalactam · Drug and toxicology 3833-1 N-acetylprocainamide · Drug and toxicology 3834-9 N-ethylnicotinamide (Urine) · Drug and toxicology 3835-6 Nadolol (Urine, qualitative) · Drug and toxicology 3836-4 Nadolol (Urine) · Drug and toxicology 3837-2 Nadolol in 24 hour Urine · Drug and toxicology 3838-0 Nalbuphine (Urine, qualitative) · Drug and toxicology 3839-8 Nalbuphine (Urine) · Drug and toxicology 3840-6 Nalbuphine in 24 hour Urine · Drug and toxicology 3841-4 Nalorphine (Urine) · Drug and toxicology 3842-2 Nandrolone (Urine, qualitative) · Drug and toxicology 3843-0 Nandrolone (Urine) · Drug and toxicology 3844-8 Nandrolone in 24 hour Urine · Drug and toxicology 3845-5 Naproxen · Drug and toxicology 3846-3 Neopterin (Urine) · Chemistry 3847-1 Netilmicin --peak · Drug and toxicology 3848-9 Netilmicin --random · Drug and toxicology 3849-7 Netilmicin --trough · Drug and toxicology 3850-5