78857-0
LaboratoryMethadone [Z-score] in Urine
Definition
This term represents the patient's drug level normalized for urine creatinine and lean body mass. 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.
LOINC 6-Axis Classification
Component
Methadone
Property
Zscore
Time Aspect
Pt
System
Urine
Scale Type
Qn
Method Type
N/A
Details
Class
DRUG/TOX
Order/Observation
Observation
Short Name
Methadone Z-score Ur
Display Name
Methadone (U) [Z-score]
Related Names
Frequently Asked Questions
What is LOINC code 78857-0?
LOINC code 78857-0 identifies "Methadone [Z-score] in Urine". This term represents the patient's drug level normalized for urine creatinine and lean body mass. 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.
What does 78857-0 measure?
This code measures Methadone in Urine. It belongs to the DRUG/TOX class in the LOINC classification.
What is LOINC?
LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.