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Unrecognized Laboratory Test Code (mrativeslwcontriv)

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

This compressed test code does not contain a reliably recognizable LOINC-style analyte, specimen, or method abbreviation.

Quick summary

["Confirm the test name with your healthcare provider or laboratory before interpreting the result."]

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

Key facts at a glance

LOINC
26182-6
Short code
MRA TI ves-L W contr IV
Synonyms
MRA TI ves-L W contr IV
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mr-angio
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What is this test?

The code “mrativeslwcontriv” cannot be reliably decoded using standard LOINC-style abbreviations. It does not clearly identify an analyte, specimen type, or testing method.

Why might I need this test?

The reason for testing cannot be determined from this code alone. The full test name on the laboratory report or requisition should be used to identify its clinical purpose.

How is the test performed?

The specimen and analysis method are not recognizable from the code. This may be a laboratory test, but the procedure cannot be described without the complete test name.

How do I prepare for the test?

Preparation depends on the specific test and specimen. Ask the ordering clinician or laboratory whether fasting, medication changes, or other instructions are required.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

What test does mrativeslwcontriv represent?
The code does not contain enough reliably recognized information to identify a standard test. The complete test name or laboratory requisition is needed for an accurate decode.
Can I interpret my result using this code?
No. A result cannot be interpreted safely without knowing the analyte, specimen, units, method, and applicable reference information.
Where can I find the correct test name?
Check the laboratory report, patient portal, or test-order paperwork. If the code is the only information available, contact the ordering clinician or laboratory for clarification.
  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