Third most predominant biomarker in blood drawn for comprehensive metabolic panel (CMP) screening
This test is not a single specific lab result but refers to the third most commonly ordered blood test in a broad panel. It typically involves measuring multiple substances in your blood to assess organ function, electrolyte balance, and overall health.
["This test helps identify potential health issues by checking key blood chemistry markers."]
Key facts at a glance
- LOINC
- 64119-1
- Short code
- 3rd most predominant Hb DBS
- Synonyms
- 3rd most predominant Hb DBS
- Category
- hematology
- 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 Typically Includes
A comprehensive metabolic panel (CMP) often includes tests for electrolytes like sodium, potassium, and chloride, kidney function markers such as blood urea nitrogen (BUN) and creatinine, liver enzymes like alanine aminotransferase (ALT) and aspartate aminotransferase (AST), glucose levels, calcium, and bicarbonate. These tests are collectively referred to as the third most predominant blood tests in clinical practice due to their widespread use in diagnosing and monitoring various conditions.
Common Conditions Monitored
This type of testing is frequently used to monitor conditions like dehydration, kidney disease, liver problems, diabetes, and metabolic disorders. It can also help detect early signs of infections, electrolyte imbalances, or fluid retention.
Sample Collection and Preparation
For a CMP, a blood sample is drawn from a vein, usually in the arm. The blood is then processed to separate serum or plasma for testing. This process is quick and typically done in a clinical setting with minimal discomfort.
How Results Are Interpreted
Results are compared to standard reference ranges to identify any deviations. While specific reference ranges vary by lab, elevated or low levels of certain markers may signal underlying health concerns that require further medical evaluation.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
The third most predominant blood tests in a CMP are critical for diagnosing and managing a wide range of health conditions. For example, elevated liver enzymes may indicate liver damage, while abnormal kidney markers could suggest kidney disease. Electrolyte imbalances can cause muscle weakness, confusion, or irregular heart rhythms. Early detection through these tests can lead to timely treatment and better health outcomes.
Frequently asked questions
Why might I need this type of test?
What does it mean if my results are outside the normal range?
How often should I have this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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