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 66 of 2,187 · by category · by group · panels · answer lists · parts
Fibrin+Fibrinogen fragments in Platelet poor plasma (latex agglutination) · Coagulation 3251-6 Fibrin+Fibrinogen fragments (latex agglutination) · Coagulation 3252-4 Fibrin.soluble in Platelet poor plasma (chromogenic method) · Coagulation 3253-2 Fibrin.soluble (coagulation assay) · Coagulation 3254-0 Fibrinogen in Platelet poor plasma (coagulation assay) · Coagulation 3255-7 Fibrinogen Ag in Platelet poor plasma (immunoassay) · Coagulation 3256-5 Fibrinogen (qualitative) · Coagulation 3257-3 Fibrinogen Ag in Platelet poor plasma (immunologic method) · Coagulation 3258-1 Fibrinogen fragments Ag in Platelet poor plasma (immunoassay) · Coagulation 3259-9 Fibrinopeptide B beta (1-14) Ag in Platelet poor plasma (immunoassay) · Coagulation 3260-7 Fibrinopeptide B beta (1-42) Ag in Platelet poor plasma (immunoassay) · Coagulation 3261-5 Fibrinopeptide B beta (15-42) Ag in Platelet poor plasma (immunoassay) · Coagulation 3262-3 Fibrinopeptide B beta (43-47) Ag in Platelet poor plasma (immunoassay) · Coagulation 3263-1 Fibrinopeptide A Ag in Platelet poor plasma (immunoassay) · Coagulation 3264-9 Fibrinopeptide B Ag in Platelet poor plasma (immunoassay) · Coagulation 3265-6 Heparin Ab in Platelet poor plasma (platelet aggregation) · Coagulation 3266-4 Heparin Ab (platelet aggregation) · Coagulation 3267-2 Heparin cofactor II Ag in Platelet poor plasma (immunoassay) · Coagulation 3268-0 Heparin neutralization in Platelet poor plasma (qualitative) · Coagulation 3269-8 LMW Heparin in Platelet poor plasma (coagulation assay) · Coagulation 3270-6 LMW Heparin in Platelet poor plasma (chromogenic method) · Coagulation 3271-4 LMW Heparin in 24 hour Urine · Coagulation 3272-2 Heparin unfractionated in Platelet poor plasma (coagulation assay) · Coagulation 3273-0 Heparin unfractionated in Platelet poor plasma (chromogenic method) · Coagulation 3274-8 Heparin unfractionated in 24 hour Urine · Coagulation 3275-5 Kininogen HMW in Platelet poor plasma (coagulation assay) · Coagulation 3276-3 Kininogen HMW in Platelet poor plasma (immunoassay) · Coagulation 3277-1 Kininogen HMW actual/normal in Platelet poor plasma (immunoassay) · Coagulation 3278-9 Kininogen LMW in Platelet poor plasma (immunoassay) · Coagulation 3279-7 Kininogen LMW (immunoassay) · Coagulation 3280-5 Lupus anticoagulant in Platelet poor plasma · Coagulation 3281-3 aPTT W excess hexagonal phase phospholipid in Platelet poor plasma (coagulation assay) · Coagulation 3282-1 Lupus anticoagulant neutralization high phospholipid in Platelet poor plasma (coagulation assay) · Coagulation 3283-9 Lupus anticoagulant neutralization platelet in Platelet poor plasma (coagulation assay) · Coagulation 3284-7 Phospholipid Ab (immunoassay) · Coagulation 3285-4 Phospholipid IgG Ab (immunoassay) · Coagulation 3286-2 Phospholipid IgM Ab (immunoassay) · Coagulation 3287-0 Prothrombin Ag in Platelet poor plasma (immunoassay) · Coagulation 3288-8 Prothrombin activity actual/normal in Platelet poor plasma (coagulation assay) · Coagulation 3289-6 2-Oxoisocaproate (Urine) · Chemistry 3290-4 2-Pyridone · Drug and toxicology 3291-2 2-Pyridone/N'-methylnicotinamide · Drug and toxicology 3292-0 Acebutolol (Urine, qualitative) · Drug and toxicology 3293-8 Acebutolol (Urine) · Drug and toxicology 3294-6 Acebutolol in 24 hour Urine · Drug and toxicology 3295-3 Acepromazine · Drug and toxicology 3296-1 Acetaminophen (qualitative) · Drug and toxicology 3297-9 Acetaminophen · Drug and toxicology 3298-7 Acetaminophen (Urine, qualitative) · Drug and toxicology 3299-5 Acetazolamide · Drug and toxicology 3300-1