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Oxyphenbutazone (Mass Concentration)

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

This test measures the amount of oxyphenbutazone, a nonsteroidal anti-inflammatory drug (NSAID), in your blood.

Quick summary

["Understanding your oxyphenbutazone levels helps your healthcare provider monitor your treatment and manage side effects."]

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

Key facts at a glance

LOINC
60111-2
Short code
Oxyphenbutazone Ur-mCnc
Synonyms
Oxyphenbutazone Ur-mCnc
Category
chemistry
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

Why Is This Test Done?

Your doctor may order this test to check if your oxyphenbutazone levels are within safe ranges. This is particularly important if you’re taking the medication long-term, have kidney or liver issues, or are at risk for bleeding. It helps ensure the drug is working effectively without causing harmful effects.

What Does the Test Involve?

A blood sample is taken from a vein, usually in your arm. The sample is then sent to a lab for analysis using a sensitive method to measure the drug’s concentration.

What Are Possible Results?

Results are typically reported as a mass concentration in units like micrograms per milliliter (mcg/mL). Interpretation depends on your specific medical condition, dosage, and other medications you’re taking. Your doctor will discuss these results with you.

What Does a High or Low Level Mean?

High levels may indicate overdosage, toxicity, or improper metabolism, which could lead to side effects like stomach irritation, kidney problems, or bleeding. Low levels might suggest insufficient medication, requiring a dose adjustment. Always follow your doctor’s guidance.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Oxybutazone Level

Frequently asked questions

What might cause this test to be ordered?
This test is often ordered to monitor patients on long-term oxyphenbutazone therapy, those with kidney or liver disease, or individuals at risk for drug-related complications. It may also be used to assess compliance or adjust medication doses.
How soon will I get my results?
Results are usually available within 1 to 3 business days, depending on your lab. Your doctor will contact you to discuss them, so keep their office number handy.
Can I eat or drink before this test?
You may eat and drink normally before the test, as it’s a blood draw. However, follow any specific instructions your doctor provides, as they may vary slightly.
  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