78873-7
LOINC Code
| LOINC code | 78873-7 | ||
|---|---|---|---|
| name | |||
| description | This term represents the Z-score for a patient's drug result. It was created for, but not limited in use to, the Ameritox Medication Monitoring system, which assesses a patient's medication compliance by comparing the patient's result to a reference database of results from chronic pain patients who were known to be adherent to their medication regimen. In order to compare to the reference database, the patient's result is first normalized based on urine creatinine and lean body mass using a proprietary algorithm, and then the normalized result is converted to a Z-score based on the reference population. If the patient's Z-score is between -2 and +2, the patient is likely to be taking the drug as prescribed. If the score is less than -2, the patient's drug level is lower than expected, which could be a sign that the patient stopped taking the drug or has altered metabolism. If the score is greater than +2, the patient's drug level is higher than expected, which could occur for a number of reasons, including overuse of the drug or impaired metabolism due to liver or kidney disease. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | oxyCODONE | ||
| property | Zscore = Z Score | ||
| 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 | Urine | ||
| 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 | |||
Additional Names | |||
| short name | Addiction; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Illicit; Lortab; OxyContin; Percocet; Percodan; Point in time; PotentialForAbuse; QNT; Quan; Quant; Quantitative; Random; Standard score; UA; UR; Urn; Vicodin; Z score; Z value; Z-score | ||
Basic Attributes | |||
| class | DRUG/TOX | ||
| type | 1 Laboratory | ||
| order vs. observation | oxyCODONE Z-sco | ||
| example UCUM units | Zscore 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) | ||
Member of these Groups | |||
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History/Usage | |||
| first released | |||
| last updated | 2.58 | ||
| last change type | MIN - change to field other than name | ||
| change reason | {Zscore} | ||
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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