Serum Achromatic Modification Activity (Total) - Total Serum Achromatic Modification Activity
This test measures the overall activity of substances in your blood that can chemically alter other molecules, often linked to protein or enzyme modifications. It may be part of a broader evaluation for metabolic or biochemical conditions.
["This test helps assess how your blood chemistry interacts with proteins and other molecules over time."]
Key facts at a glance
- LOINC
- 30192-9
- Short code
- AChR Mod Ab/AChR Total SFr Ser
- Synonyms
- AChR Mod Ab/AChR Total SFr Ser
- Category
- coagulation
- 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
Achromatic modification activity refers to biochemical processes where certain blood components undergo colorless (achromatic) chemical changes, such as oxidation, reduction, or enzymatic reactions. This test evaluates the cumulative effect of these processes in your serum sample, which can reflect underlying metabolic or functional states in your body.
Why It Might Be Ordered
Your healthcare provider may request this test if they suspect conditions affecting protein metabolism, enzyme function, or systemic biochemical balance. It could be part of investigations into chronic diseases, metabolic disorders, or conditions requiring detailed biochemical profiling.
Sample Preparation and Testing Process
A blood sample is drawn from a vein, typically in the arm, and sent to a lab. The serum portion (liquid after clotting) is analyzed to measure the total activity of achromatic modifications. This process often involves specialized biochemical assays to detect and quantify these reactions.
Clinical Significance
While this test is less commonly used than standard blood panels, elevated or altered levels of achromatic modification activity might indicate metabolic stress, enzyme deficiencies, or conditions affecting protein turnover. It can also serve as a marker for monitoring certain chronic conditions or responses to treatments.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Total Serum Achromatic Modification Activity
Frequently asked questions
What does a high or low result mean?
How often should I get this test?
Can I prepare for this test differently than a regular blood draw?
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