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Serum or Plasma Substance Concentration by Immunoassay (Probe) for a Specific Protein or Metabolite

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

This test measures the amount of a particular substance (like a protein or small molecule) in your blood, using a specialized probe to detect it. Results help doctors assess health conditions or monitor treatments.

Quick summary

["Helps diagnose or track conditions linked to abnormal blood levels of this substance."]

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

Key facts at a glance

LOINC
97514-4
Short code
E moshkovskii DNA Spec Ql NAA+probe
Synonyms
E moshkovskii DNA Spec Ql NAA+probe
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
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

Why This Test Might Be Ordered

Your doctor may recommend this test if they suspect an issue related to the substance being measured, such as a genetic disorder, metabolic problem, or response to medication. It could also be part of routine screening or monitoring for conditions like kidney disease, liver function, or hormone-related disorders.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast for a few hours before your blood is drawn if the test involves fasting-related measurements. Wear a loose shirt for easy access to your arm.

What Happens During the Test

A healthcare professional will insert a small needle into a vein in your arm to draw blood. This process usually takes a few minutes. You may feel a brief pinch, but most people tolerate it well. The blood sample is then sent to a lab for analysis using a specialized immunoassay probe.

What the Results Mean

Results will show the concentration of the substance in your blood. While reference ranges vary by lab and substance, your doctor will compare your results to what’s typical for your age, sex, and health status to determine if levels are within normal limits or if further action is needed.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Protein/Metabolite Test (Serum/Plasma)

Frequently asked questions

What does this test measure?
This test measures the concentration of a specific substance (such as a protein, enzyme, or hormone) in your serum or plasma. The exact substance depends on the clinical indication and may include markers for conditions like hereditary disorders, metabolic diseases, or drug monitoring.
How might my results affect my treatment?
If your results show levels outside the expected range, your doctor may adjust your treatment plan, recommend further tests, or suggest lifestyle changes. For example, elevated levels might indicate an underlying condition requiring treatment, while low levels could signal a need for medication adjustments or dietary modifications.
Can I prepare for this test differently based on my health condition?
Yes, if you have specific health conditions (e.g., diabetes, kidney disease) or are taking medications, your doctor may give you personalized instructions. For instance, fasting may be required for certain tests, or they might advise avoiding certain foods or medications before the test.
  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