Reference data : LOINC code

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Loinc Number Component Property System Time aspect ScaleType MethodType Relat_nms loincStatus Long Common name answerList chngType DefinitionDescription dtLastCh exactCmspy exampleUnits exmplAnswers externalCopyrightNotice formula hl7FieldSubfieldId InpcPercentage ipccUnits loincClass loincFinal loincNum mapTo methodTyp molarMass naaccrId orderObs panelElements reference scope setRoot shortName source surveyQuestSrc surveyQuestText unitsRequired acssym relatedNames2 VersionLastChanged VersionFirstRelease ValidHL7AttachmentRequest PanelType AssociatedObservations EXTERNAL_COPYRIGHT_LINK HL7_ATTACHMENT_STRUCTURE CONSUMER_NAME EXAMPLE_UCUM_UNITS STATUS_REASON STATUS_TEXT CHANGE_REASON_PUBLIC COMMON_TEST_RANK COMMON_ORDER_RANK
49228-0 Porphobilinogen deaminase CCnt RBC Pt Qn     ACTIVE Porphobilinogen deaminase [Enzymatic activity/mass] in Red Blood Cells   MIN DefinitionDescription     mU/g Hb             CHEM   49228-0         Both       0 PBG Deaminase RBC-cCnt       N   Catalytic Content; Chemistry; Erythrocytes; Hematology; Heme; Hydroxymethylbilane Synthase; PBG; PBG Deaminase; PBGD; PBG-D; Point in time; Porph; Porphobili; Porphoblngn; Porpoblngn; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles; Uroporphyrinogen I Synthase 2.73 2.21               mU/g{Hb}       0
49229-8 Erythrocytes.nucleated/Leukocytes Ratio Body fld Pt Qn     ACTIVE Nucleated erythrocytes/Leukocytes [Ratio] in Body fluid   NAM DefinitionDescription     /100 WBC             HEM/BC   49229-8         Both       0 nRBC Fld-Rto       N   B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Discocytes; Erthrocyte; Erythroblasts; Erythrocyte; Fl; Fld; FLU; Fluid; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Normoblasts; nRBC; nRBCs; Nuc; Point in time; QNT; Quan; Quant; Quantitative; Random; Ratios; RBC; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; Rto; WBC; WBCs; White blood cell; White blood cells 2.79 2.21               /100{WBCs}     Release 2.79: COMPONENT: Triggered by Coll w SCT: This is a specific fraction case where the denominator is percentage or /100. Because the logic is that the percentage piece is captured by Property: NFr (Numeric Fraction), and by Unit: %, therefore, it is redundant to include "100" in the component; 0
4923-9 HLA-DPw2 PrThr Bld/Tiss Pt Ord     ACTIVE HLA-DPw2 [Presence]   MIN DefinitionDescription                   HLA   4923-9         Observation       0 HLA-DPw2 Ql           Blood; Genetics; Heredity; Heritable; HLA ANTIGEN; Human Leukocyte Antigen; Inherited; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, unspecified; WB; Whole blood; Whole blood or Tissue 2.56 1                     This test is commonly performed on cells found in saliva and buccal swabs as well as blood specimens. Changed specimen from 'Bld' to 'Bld/Tiss' to represent both specimen types.; The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016. 0
49230-6 Acetylcholinesterase CCnt RBC Pt Qn     ACTIVE Acetylcholinesterase [Enzymatic activity/mass] in Red Blood Cells   MIN DefinitionDescription     U/g Hb             CHEM   49230-6         Both       0 AChE RBC-cCnt       N   Acetycholinesterase; Acetylcholine acetylhydrolase; Acetylhydrolase; AChE; ACLE; Catalytic Content; Chemistry; Choline esterase I; Cholinesterase true; Erythrocyte cholinesterase; Erythrocytes; Point in time; QNT; Quan; Quant; Quantitative; Random; RBC cholinesterase; Red blood cells; Red blood corpusles 2.73 2.21               U/g{Hb}       0
49231-4 Cholinesterase CCnt RBC Pt Qn     ACTIVE Cholinesterase [Enzymatic activity/mass] in Red Blood Cells   MIN DefinitionDescription     U/g Hb             CHEM   49231-4         Both       0 Cholinesterase RBC-cCnt       N   Acylcholine acylhydrolase; BChE; Benzoyl cholinesterase; Benzoylcholinesterase; Butyrylcholine esterase; Catalytic Content; Che; Chemistry; Choline esterase II; CHS; Erythrocytes; Point in time; Pseudocho; Pseudocholinesterase; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles 2.73 2.21               U/g{Hb}       0
49232-2 Giardia lamblia+Cryptosporidium sp Ag PrThr Stool Pt Ord Rapid, less than 30 minutes   ACTIVE Giardia lamblia+Cryptosporidium sp Ag [Presence] in Stool by Rapid, less than 30 minutes   MIN DefinitionDescription                   MICRO   49232-2   Rapid, less than 30 minutes     Both       0 G lamblia+Cryptosp Ag Stl Ql Rapid       N   Antigen; Antigens; Beaver fever; Bowel movement; Crypt; Crypto; Cryptosporidiosis; Faecal; Faeces; Fecal; Feces; G duodenalis; G intestinalis; G lamblia; G lamblia+Cryptosp; G lamblia+Cryptosp Ag; Giardiasis; ID; Infectious Disease; InfectiousDisease; Lamblia intestinalis; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rapid test; Screen; species; spp; Stl; Stool = Fecal 2.73 2.21                     The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016. 0
49233-0 Giardia lamblia+Cryptosporidium parvum Ag PrThr Stool Pt Ord Rapid, less than 30 minutes   ACTIVE Giardia lamblia+Cryptosporidium parvum Ag [Presence] in Stool by Rapid, less than 30 minutes   MIN DefinitionDescription                   MICRO   49233-0   Rapid, less than 30 minutes     Both       0 G lamblia+C parvum Ag Stl Ql Rapid       N   Antigen; Antigens; Beaver fever; Bowel movement; C parvum; Crypt; Crypto; Cryptosporidiosis; Faecal; Faeces; Fecal; Feces; G duodenalis; G intestinalis; G lamblia; G lamblia+C parvum; G lamblia+C parvum Ag; Giardiasis; ID; Infectious Disease; InfectiousDisease; Lamblia intestinalis; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rapid test; Screen; Stl; Stool = Fecal 2.73 2.21                     The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016. 0
49234-8 Patient symptoms^1.5H post dose lactose PO Imp ^Patient Pt Nar     ACTIVE Patient symptoms [Interpretation] Narrative--1.5 hours post dose lactose PO   MIN DefinitionDescription                   CHAL   49234-8         Observation       0 Symptoms 1.5h p Lac PO Patient-Imp       N   1 1/2 hours; 1 1/2 HR; 1.5h p Lac PO; 1.5Hr; 90 min; 90 minutes; 90M; 90min; After; CHEMISTRY.CHALLENGE TESTING; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; LTT; Narrative; p dose; Point in time; PST; Random; Report; Sx 2.38 2.21                       0
49235-5 Patient symptoms^1H post dose lactose PO Imp ^Patient Pt Nar     ACTIVE Patient symptoms [Interpretation] Narrative--1 hour post dose lactose PO   MIN DefinitionDescription                   CHAL   49235-5         Observation       0 Symptoms 1h p Lac PO Patient-Imp       N   1 hour; 1.0Hr; 1h p Lac PO; 60 min; 60 minutes; 60M; 60min; After; CHEMISTRY.CHALLENGE TESTING; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; LTT; Narrative; p dose; Point in time; PST; Random; Report; Sx 2.38 2.21                       0
49236-3 Patient symptoms^2.5H post dose lactose PO Imp ^Patient Pt Nar     ACTIVE Patient symptoms [Interpretation] Narrative--2.5 hours post dose lactose PO   MIN DefinitionDescription                   CHAL   49236-3         Observation       0 Symptoms 2.5h p Lac PO Patient-Imp       N   2.5h p Lac PO; After; CHEMISTRY.CHALLENGE TESTING; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; LTT; Narrative; p dose; Point in time; PST; Random; Report; Sx 2.38 2.21                       0
49237-1 Patient symptoms^2H post dose lactose PO Imp ^Patient Pt Nar     ACTIVE Patient symptoms [Interpretation] Narrative--2 hours post dose lactose PO   MIN DefinitionDescription                   CHAL   49237-1         Observation       0 Symptoms 2h p Lac PO Patient-Imp       N   120 min; 120 minutes; 120min; 2 hours; 2h p Lac PO; After; CHEMISTRY.CHALLENGE TESTING; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; LTT; Narrative; p dose; Point in time; PST; Random; Report; Sx 2.38 2.21                       0
49238-9 Patient symptoms^30M post dose lactose PO Imp ^Patient Pt Nar     ACTIVE Patient symptoms [Interpretation] Narrative--30 minutes post dose lactose PO   MIN DefinitionDescription                   CHAL   49238-9         Observation       0 Symptoms 30M p Lac PO Patient-Imp       N   30M p Lac PO; After; CHEMISTRY.CHALLENGE TESTING; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; LTT; Narrative; p dose; Point in time; PST; Random; Report; Sx 2.38 2.21                       0
49239-7 Patient symptoms^3H post dose lactose PO Imp ^Patient Pt Nar     ACTIVE Patient symptoms [Interpretation] Narrative--3 hours post dose lactose PO   MIN DefinitionDescription                   CHAL   49239-7         Observation       0 Symptoms 3h p Lac PO Patient-Imp       N   3h p Lac PO; After; CHEMISTRY.CHALLENGE TESTING; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; LTT; Narrative; p dose; Point in time; PST; Random; Report; Sx 2.38 2.21                       0
4924-7 HLA-DPw3 PrThr Bld/Tiss^Donor Pt Ord     ACTIVE HLA-DPw3 [Presence] in Donor   MAJ DefinitionDescription                   HLA   4924-7         Observation       0 HLA-DPw3 Donr Ql           Blood; Donr; Genetics; Heredity; Heritable; HLA ANTIGEN; Human Leukocyte Antigen; Inherited; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, unspecified; WB; Whole blood; Whole blood or Tissue 2.56 1                     This test is commonly performed on cells found in saliva and buccal swabs as well as blood specimens. Changed specimen from 'Bld^donor' to 'Bld/Tiss^donor' to represent both specimen types.; The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016. 0
49240-5 Patient symptoms^pre dose lactose PO Imp ^Patient Pt Nar     ACTIVE Patient symptoms [Interpretation] Narrative--pre dose lactose PO   MIN DefinitionDescription                   CHAL   49240-5         Observation       0 Symptoms pre Lac PO Patient-Imp       N   Before; CHEMISTRY.CHALLENGE TESTING; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; LTT; Narrative; Point in time; pre Lac PO; Random; Report; Sx 2.38 2.21                       0
49241-3 Xylose absorption Imp Urine+Ser/Plas Pt Nar     ACTIVE Xylose absorption [Interpretation] in Urine and Serum or Plasma Narrative   MIN DefinitionDescription                   CHAL   49241-3         Observation       0 Xylose Absorption Ur+SerPl-Imp       N   Absorp; CHEMISTRY.CHALLENGE TESTING; D-xylose; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Pl; Plasma; Plsm; Point in time; Random; Report; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; UA; UR; Ur+SerPl; Urn; Xylose absorption test 2.38 2.21                       0
49242-1 Acylcarnitine pattern Imp Urine Pt Nar     ACTIVE Acylcarnitine pattern [Interpretation] in Urine Narrative   MIN DefinitionDescription                   CHEM   49242-1         Observation       0 Acylcarnitine pattern Ur-Imp       N   Acyl carnitine; Acylcarni; Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Point in time; Random; Report; UA; UR; Urn 2.26 2.21                       0
49243-9 Alkaline phosphatase isoenzymes Imp Ser/Plas Pt Nar     ACTIVE Alkaline phosphatase isoenzymes [Interpretation] in Serum or Plasma Narrative   MIN DefinitionDescription                   CHEM   49243-9         Observation       0 ALP Isos SerPl-Imp       N   Alk; Alk phos; Alkaline phos; Alkaline phosphatase.total; ALKP; ALP; ALP Isos; AP; Chemistry; Hepatology; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; ISO; Isoen; Isoenzyme; Liver; Narrative; Phos; Phosphtase; Pl; Plasma; Plsm; Point in time; Random; Report; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR 2.73 2.21                       0
49244-7 Alpha 1 antitrypsin phenotype Imp Ser/Plas Pt Nar     ACTIVE Alpha 1 antitrypsin phenotype [Interpretation] in Serum or Plasma Narrative   MIN DefinitionDescription                   CHEM   49244-7         Observation       0 A1AT Phenotyp SerPl-Imp       N   A1; A1A; A1AT; A-1-AT; A1-AT; A1AT Phenotyp; AAT; Alfa; Alpha-1-antitrypsin.total; Alpha-1-protease inhibitor; Alpha-1-proteinase inhibitor; Alpha-1-trypsin inhibitor; Chemistry; Hepatology; i; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Liver; Lung; Narrative; Pl; Plasma; Plsm; Point in time; Pulmonary; Pulmonology; Random; Report; Respiratory; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR 2.73 2.21                     Release 2.71: COMPONENT: Changed for naming consistency across LOINC.; 0
49245-4 Alpha tocopherol & Beta+gamma tocopherol Imp Ser/Plas Pt Nar     ACTIVE Alpha tocopherol and Beta+gamma tocopherol [Interpretation] in Serum or Plasma Narrative   MIN DefinitionDescription                   CHEM   49245-4         Observation       0 A & B+G Tocopherol SerPl-Imp       N   A & B+G Tocopherol; Alfa; A-Tocopherol Vit E; B; Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Pl; Plasma; Plsm; Point in time; Random; Report; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tocopherols; Vit E; Vitamin E 2.73 2.21                       0
49246-2 Alpha-1-Fetoprotein interpretation Imp Ser/Plas Pt Nar     ACTIVE Alpha-1-Fetoprotein interpretation in Serum or Plasma Narrative   MIN DefinitionDescription                   CHEM   49246-2         Observation       0 AFP Interp SerPl-Imp       N   A1; AFP; AFP Interp; Alfa; Alpha fetoprotein; Alphafetoprotein; Chemistry; Feto; i; Impression; Impression/interpretation of study; Impressions; Interp; Interpret; Interpretation; Interpt; Intrp; Narrative; Pl; Plasma; Plsm; Point in time; Random; Report; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tumor marker 2.73 2.21                       0
49247-0 Amino acid pattern Imp Ser/Plas Pt Nar     ACTIVE Amino acid pattern [Interpretation] in Serum or Plasma Narrative   MIN DefinitionDescription                   CHEM   49247-0         Observation       0 Amino acid Pat SerPl-Imp       N   Acd; Acids; Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Pl; Plasma; Plsm; Point in time; Random; Report; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR 2.73 2.21                       0
49248-8 Amino acid pattern Imp Urine Pt Nar     ACTIVE Amino acid pattern [Interpretation] in Urine Narrative   MIN DefinitionDescription                   CHEM   49248-8         Observation       0 Amino acid Pat Ur-Imp       N   Acd; Acids; Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Point in time; Random; Report; UA; UR; Urn 2.73 2.21                       0
49249-6 Amino acids Imp Ser/Plas Pt Nar     DEPRECATED Deprecated Amino acids [interpretation] in Serum or Plasma Narrative   DEL DefinitionDescription                   CHEM   49249-6         Observation       0 Deprecated Amino acids SerPl-Imp       N   AA; Acd; Acid; Amino acid; Amino acids.total; Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Pl; Plasma; Plsm; Point in time; Random; Report; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR 2.48 2.21       AssociatedObservations EXTERNAL_COPYRIGHT_LINK HL7_ATTACHMENT_STRUCTURE CONSUMER_NAME EXAMPLE_UCUM_UNITS STATUS_REASON STATUS_TEXT CHANGE_REASON_PUBLIC COMMON_TEST_RANK COMMON_ORDER_RANK
4925-4 HLA-DPw3 PrThr Bld/Tiss Pt Ord     ACTIVE HLA-DPw3 [Presence]   MIN DefinitionDescription                   HLA   4925-4         Observation       0 HLA-DPw3 Ql           Blood; Genetics; Heredity; Heritable; HLA ANTIGEN; Human Leukocyte Antigen; Inherited; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, unspecified; WB; Whole blood; Whole blood or Tissue 2.56 1                     This test is commonly performed on cells found in saliva and buccal swabs as well as blood specimens. Changed specimen from 'Bld' to 'Bld/Tiss' to represent both specimen types.; The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016. 0
104,672 results found