81637-1
LOINC Code
| LOINC code | 81637-1 | |
|---|---|---|
| name | ||
| description | The glucose correlation is a charted value used to monitor the accuracy of glucose meter results as compared to reference method results for quality assurance purposes. According to draft guidance from the Food and Drug Administration in 2014, for point-of-care blood glucose meter devices used by healthcare providers, 99% of all values should be within 10% of the reference method for glucose concentrations > 70 mg/dL and within 7 mg/dL for glucose concentrations < 70 mg/dL.[http://www.fda.gov/downloads/medicaldevices/deviceregulationandguidance/guidancedocuments/ucm380325.pdf] For self-monitoring blood glucose meters used by patients, 95% of all results should be within 15% of the reference method result and 99% of all results should be within 20% of the reference method result across the entire claimed measuring range of the instrument. [http://www.fda.gov/downloads/medicaldevices/deviceregulationandguidance/guidancedocuments/ucm380327.pdf] | |
| status | ACTIVE | |
Fully-Specified Name | ||
| component | Glucose meter to reference method correlation | |
| property | Ratio | |
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | |
| system | Ser/Plas/Bld Ser = Serum Plas = Plasma Bld = Whole blood | |
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | |
| method | Calculated | |
Additional Names | ||
| short name | Blood; Calc; Calculation; Chemistry; Glu; Gluc; Glucose correlation; Glucoseur; Meth; Method of; Pl; PlasBld; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Ratios; Rto; SerP; SerPl; SerPlas; SerPlBld; Serum; Serum or plasma; Serum, | |
Basic Attributes | ||
| class | CHEM | |
| type | 1 Laboratory | |
| order vs. observation | Glucose correla | |
| formula (readable) | Glucose correlation (GCOR) = (GLU-GLUM)/GLU *100% Where GLU is the glucose result from the serum / plasma performed in lab (Units are mg/dL) and GLUM is the glucose reading from glucose meter, (Units are mg/dL) | |
| example UCUM units | % The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org) | |
History/Usage | ||
| first released | ||
| last updated | 2.56 | |
| last change type | ADD - added | |
| change reason | % | |
Related Names | ||
Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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