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 57 of 2,187 · by category · by group · panels · answer lists · parts
Phospholipid · Chemistry 2801-9 Phosphoserine (Urine) · Chemistry 2802-7 Phytanate (C16:0(CH3)4) · Chemistry 2803-5 Phytanate (C16:0(CH3)4) · Chemistry 2804-3 Pipecolate (CSF) · Chemistry 2805-0 Pipecolate · Chemistry 2806-8 Pipecolate (Urine) · Chemistry 2807-6 Porphobilin · Chemistry 2808-4 Porphobilinogen (Urine, qualitative) · Chemistry 2809-2 Porphobilinogen in 24 hour Urine · Chemistry 2810-0 Porphobilinogen (Urine) · Chemistry 2811-8 Porphobilinogen deaminase (Red Blood Cells) · Chemistry 2812-6 Porphobilinogen synthase (Red Blood Cells) · Chemistry 2813-4 Porphyrins (Red Blood Cells) · Chemistry 2814-2 Porphyrins · Chemistry 2815-9 Porphyrins (Stool, qualitative) · Chemistry 2816-7 Porphyrins (Stool) · Chemistry 2817-5 Porphyrins (Urine, qualitative) · Chemistry 2818-3 Potassium (CSF) · Chemistry 2819-1 Potassium in Dialysis fluid · Chemistry 2820-9 Potassium (Body Fluid) · Chemistry 2821-7 Potassium in Gastric fluid · Chemistry 2822-5 Potassium · Chemistry 2823-3 Potassium (Red Blood Cells) · Chemistry 2824-1 Potassium (oral fluid) (Saliva) · Chemistry 2825-8 Potassium in 72 hour Stool · Chemistry 2826-6 Potassium in Sweat · Chemistry 2827-4 Potassium (Urine) · Chemistry 2828-2 Potassium in 24 hour Urine · Chemistry 2829-0 Potassium renal clearance in 24 hour Urine and Serum or Plasma · Chemistry 2830-8 Pregnancy specific protein 1 · Chemistry 2831-6 Pregnanediol (Amniotic Fluid) · Chemistry 2832-4 Pregnanediol (Urine) · Chemistry 2833-2 Pregnanediol in 24 hour Urine · Chemistry 2834-0 Pregnanetriol (Urine) · Chemistry 2835-7 Pregnanetriol in 24 hour Urine · Chemistry 2836-5 Pregnenolone · Chemistry 2837-3 Progesterone (oral fluid) (Saliva) · Chemistry 2838-1 Progesterone · Chemistry 2839-9 Proinsulin · Chemistry 2840-7 Prolactin (Semen) · Chemistry 2841-5 Prolactin · Chemistry 2842-3 Proline (CSF) · Chemistry 2843-1 Proline (qualitative) · Chemistry 2844-9 Proline · Chemistry 2845-6 Proline (Urine) · Chemistry 2846-4 Proline in 24 hour Urine · Chemistry 2847-2 Proline dipeptidase (Tissue) · Chemistry 2848-0 Propionate (C3) · Chemistry 2849-8 Propionyl CoA Carboxylase (Tissue) · Chemistry 2850-6