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Serum or plasma mass concentration of a specific protein marker (likely related to cardiac or renal function, such as a troponin variant or cystatin C)

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

This test measures the amount of a particular protein in your blood, often used to assess kidney or heart health or detect certain conditions.

Quick summary

["Helps doctors diagnose or monitor kidney function, heart issues, or other metabolic conditions."]

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

Key facts at a glance

LOINC
1634-5
Short code
GH 52h p 250 ug L-D TID 2D PO SerPl-mCnc
Synonyms
GH 52h p 250 ug L-D TID 2D PO SerPl-mCnc
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

What This Test Measures

This test detects the mass concentration of a protein in your blood. The protein could be linked to kidney function, heart damage, or other health concerns. The method used may involve high-performance liquid chromatography (HPLC) or another precise technique to measure its exact amount.

Why It’s Ordered

Your doctor may order this test if you have symptoms like fatigue, swelling, chest pain, or if they suspect kidney disease, heart problems, or other conditions affecting protein levels in your blood.

Common Uses

Results may help identify kidney dysfunction, heart damage (such as myocardial infarction), or conditions like chronic kidney disease or certain genetic disorders.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast for a few hours if the test involves a specific timing (e.g., 24-hour urine collection). Bring any medications you’re taking to your doctor’s office.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

None

Frequently asked questions

How does this test help doctors?
This test provides critical information about protein levels in your blood, which can indicate kidney function, heart health, or other metabolic processes. Elevated or low levels may signal underlying issues requiring further evaluation.
What if my results are abnormal?
If your results are outside expected ranges, your doctor will discuss them with you. They may recommend additional tests, lifestyle changes, or treatments to address any potential health concerns.
Can I eat or drink before this test?
Check with your doctor or lab technician about any dietary restrictions. Some tests require fasting, while others do not. Always follow their instructions to ensure accurate results.
  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