Cobalt Methionine Pathway Panel (Serum/Plasma)
This test measures key metabolites involved in the cobalt-dependent methionine synthesis pathway, which is critical for red blood cell production and overall metabolism. It helps assess potential deficiencies or imbalances that may affect your health.
["This screening evaluates a biochemical pathway linked to vitamin B12 and folate metabolism, often relevant for conditions like anemia or neurological concerns."]
Key facts at a glance
- LOINC
- 104535-0
- Short code
- Coba, methio & mma path pnl SerPl
- Synonyms
- Coba, methio & mma path pnl SerPl
- 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 you have symptoms like fatigue, weakness, or neurological issues (e.g., tingling, memory problems). It could also be part of a broader evaluation for conditions like pernicious anemia, vitamin B12 deficiency, or metabolic disorders affecting red blood cell production.
What to Expect Before the Test
No special preparation is typically needed, but you may be asked to fast for 8–12 hours before your blood draw if instructed. Wear comfortable clothing and plan to stay near the testing site for a short time. Hydration is usually encouraged unless contraindicated.
What the Results Mean
Results will compare your levels of specific metabolites to reference ranges for your age and sex. Abnormal findings may indicate imbalances in the cobalt-methionine pathway, which could signal underlying deficiencies or metabolic dysfunctions that need further investigation.
Common Conditions Linked to Abnormal Results
Elevated or low levels of these metabolites might be associated with vitamin B12 or folate deficiencies, megaloblastic anemia, or rare genetic disorders affecting methionine synthesis. Your provider will discuss findings in the context of your symptoms and medical history.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Cobalt-Met Pathway Screen
Frequently asked questions
How long will I need to wait for my results?
Can I eat or drink before this test?
What if my results are outside the normal range?
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