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Serum/plasma concentration of a substance measured by immunoassay (e.g., a marker related to liver function or protein metabolism)

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

This test measures the amount of a specific substance in your blood, which may help assess liver health, protein balance, or other metabolic processes.

Quick summary

["This test helps doctors monitor certain blood chemistry levels that can affect overall health."]

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

Key facts at a glance

LOINC
25772-5
Short code
GH sp11 p chal SerPl-sCnc
Synonyms
GH sp11 p chal SerPl-sCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 healthcare provider may recommend this test if they suspect issues like liver disease, protein disorders, or other metabolic conditions. It could also be part of routine monitoring for chronic illnesses.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast for 8–12 hours before the test if it involves a blood draw. Avoid alcohol or certain medications for the recommended period.

How the Test Works

A small sample of your blood (serum or plasma) is collected via a vein in your arm. The lab then uses an immunoassay method to detect and measure the specific substance in your blood.

What the Results Mean

Results are compared to standard reference ranges for that substance. Abnormal levels may indicate underlying health concerns that need further evaluation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Elevated or low levels of this substance can signal liver dysfunction, protein abnormalities, or other metabolic disturbances. For example, it may reflect how well your body produces certain proteins or how efficiently your liver processes substances.

Frequently asked questions

What does this test measure?
This test quantifies a specific protein or metabolite in your blood, often used to assess liver function, protein synthesis, or metabolic health. The exact substance may relate to conditions like cirrhosis, protein loss, or enzyme deficiencies.
Will I need to prepare for this test?
Preparation depends on the test type. Some may require fasting for 8–12 hours, while others may not need any special steps. Always follow your provider’s instructions to ensure accurate results.
How long will I wait for my results?
Results are typically available within 1–3 business days, depending on lab processing times. Your healthcare provider will discuss them with you during your follow-up visit.
  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