LOINC categories

The official LOINC component hierarchy. For the consumer categories, see Categories.

4,391 categories · page 1 of 44 · all codes

LOINC category	Part	Biomarkers
{component}	LP432695-7	5382
Laboratory	LP29693-6	5377
Chemistry and Chemistry - challenge	LP343631-0	2661
Chemistry - non-challenge	LP7786-9	2650
Lab terms not yet categorized	LP248770-2	1173
Hematology and Cell counts	LP7803-2	587
Hematology	LP30786-5	535
Amino acids	LP18033-8	419
Cell Fractions/Differential	LP19481-8	396
Lipids	LP15705-4	390
Myeloid cells	LP15094-3	359
Endocrine	LP31396-2	345
Leukocytes	LP14419-3	318
Protein	LP15838-3	288
Urinalysis	LP7851-1	282
Coagulation	LP7788-5	209
Drug toxicology	LP7790-1	187
Microbiology	LP7819-8	176
Microbiology and Antimicrobial susceptibility	LP343406-7	176
Microorganism	LP14559-6	173
Drugs	LP18046-0	145
Carnitine	LP14482-1	139
Acylcarnitine	LP15318-6	137
Carnitine esters	LP14483-9	137
Granulocytes	LP18643-4	135
Enzymes (see also Inborn errors metabolism lysosomal)	LP31392-1	134
Fatty acids	LP14488-8	113
Gases and acid/Base	LP31400-2	109
Bacteria	LP98185-9	96
Adrenal Cortex	LP31653-6	95
Cells	LP14738-6	92
Porphyrins	LP14913-5	90
Renal function	LP31398-8	89
Small molecules	LP31415-0	84
Crystals	LP16849-9	81
Nucelotides/sides and derivatives	LP31405-1	81
Sugars/Sugar metabolism	LP31399-6	77
Globulin	LP14885-5	71
Catecholamines	LP15090-1	68
Platelet Function	LP31621-3	68
Liver function (excluding enzymes)	LP31397-0	67
Electrolytes - single valence	LP19403-2	66
Casts	LP14044-9	65
Inborn errors metabolism lysosomal	LP31406-9	63
Albumin	LP6118-6	61
Lymphocytes	LP14540-6	61
Controlled substances and drugs of abuse	LP31448-1	59
Sterols	LP183760-0	59
Mineral, bone, joint, connective tissue	LP31413-5	58
Monocytes+Macrophages	LP14312-0	53
Neutrophils	LP14267-6	53
Immunoglobulins	LP31769-0	51
Platelet aggregation	LP29282-8	51
Platelet aggregation \| Platelet rich plasma \| Coagulation	LP417487-8	51
Routine	LP31624-7	51
Vitamins	LP31395-4	50
Albumin \| Urine \| Chemistry - non-challenge	LP384489-3	49
Blood smear finding	LP16873-9	47
Androgens-	LP31654-4	45
Glucose	LP14635-4	45
Miscellaneous Hematology	LP30865-7	44
Lipoproteins	LP15711-2	43
Monocytes	LP14313-8	43
Clotting factors	LP31623-9	42
Erythrocytes	LP14304-7	41
General terms	LP31418-4	41
Thrombosis	LP31622-1	41
Creatinine	LP14355-9	40
Progestational Hormones-	LP31663-5	40
Virus	LP14855-8	40
Bacteria	LP14082-9	39
Hemolysis tests	LP31616-3	39
Osmotic fragility	LP14318-7	39
Cholesterol	LP15493-7	36
Polyunsaturated fatty acids	LP33083-4	36
Analytes	LP40317-7	35
Osmotic fragility \| Red Blood Cells \| Hematology and Cell counts	LP393817-4	35
Tumor markers	LP31412-7	35
Cell markers	LP7783-6	34
Cortisol	LP14161-1	34
Choriogonadotropin	LP14651-1	32
Lipoprotein fractions	LP16874-7	32
Oxygen	LP14536-4	32
Elements and Elemental Ions	LP31434-1	31
Glycine	LP15620-5	31
Hemoglobin	LP14449-0	31
Alpha globulin	LP31743-5	30
Newborn screening panel	LP33025-5	30
Epithelial cells	LP14043-1	29
Narcotics	LP18149-2	29
Beta globulin	LP15835-9	28
Bile acid	LP15444-0	28
Carbon dioxide	LP15150-3	27
Eosinophils	LP14539-8	27
Immunoglobulin light chains	LP15155-2	27
Metanephrines	LP14467-2	27
Erythroid cells	LP35614-4	26
Nonhematic cells	LP18500-6	26
pH	LP14752-7	26
Crystals and calculi	LP31771-6	25