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Temazepam/Creatinine Ratio, Urine

Published: August 9, 2026Updated: August 16, 2026

A urine test that checks for temazepam, a benzodiazepine used for sleep, and may report its level relative to urine creatinine.

Quick summary

["A positive result can indicate recent temazepam exposure, but timing and urine dilution affect interpretation."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
58369-0
Short code
Temazepam/Creat Ur
Synonyms
Temazepam/Creat Ur
Category
kidney
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What is this test?

This test measures temazepam in urine. Temazepam is a benzodiazepine medication used to treat insomnia. A creatinine value may be used to help account for differences in urine concentration.

Why might I need this test?

It may be ordered to document medication exposure, support a request for pain or anxiety treatment, or investigate possible medication misuse. It may also be part of workplace, legal, or other drug-screening requirements.

How is the test performed?

A urine sample is collected and analyzed in a laboratory. Screening results may be confirmed with a more specific laboratory method, such as chromatography, when needed.

How do I prepare for the test?

Follow the collection instructions provided by the laboratory or healthcare professional. Do not stop prescribed medication solely because of this test unless your clinician instructs you to do so, and tell the clinician about all medications and supplements you use.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Detecting temazepam can indicate recent exposure to the medication, but a urine result does not by itself show the dose taken, the exact time of use, or current impairment. Urine concentration, hydration, metabolism, and the time between use and collection can affect the result. An unexpected positive result may warrant review of medications and, when appropriate, confirmatory testing.

Short name

Urine Temazepam

Frequently asked questions

Does a positive result mean I took too much temazepam?
No. A positive result generally shows that temazepam was detected; it does not establish the dose taken or whether an overdose occurred.
How long does temazepam remain detectable in urine?
Detection varies among individuals and can depend on dose, frequency of use, metabolism, hydration, and urine concentration. Your clinician can interpret the result using the collection time and your medication history.
Why is creatinine included with the urine temazepam result?
Creatinine helps account for how concentrated or dilute the urine sample is. This allows the laboratory to compare temazepam levels more meaningfully across different samples.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy