Serum or plasma concentration of N-acetylglucosamine-6-sulfate (a marker of glycosaminoglycan metabolism)
This test measures a specific chemical in your blood related to the breakdown and production of certain substances involved in joint and connective tissue health.
["Understanding your levels may help assess metabolic or connective tissue-related conditions."]
Key facts at a glance
- LOINC
- 112047-6
- Short code
- Mnr ppl Endscpy
- Synonyms
- Mnr ppl Endscpy
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- endoscopy
- 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
N-acetylglucosamine-6-sulfate is a component linked to glycosaminoglycans, which are complex sugars found in cartilage, skin, and other connective tissues. This test quantifies its presence in your blood, which can be influenced by metabolic processes or conditions affecting these tissues.
Why It Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms or conditions that could involve abnormal metabolism of glycosaminoglycans, such as certain genetic disorders or metabolic syndromes. It may also be part of broader evaluations for connective tissue disorders.
Common Conditions Monitored
While not commonly ordered for routine screening, elevated or altered levels might be associated with metabolic or genetic conditions affecting glycosaminoglycan metabolism.
Sample Collection and Preparation
A blood sample is drawn from a vein, typically in your arm. The sample is processed to separate serum or plasma, which is then analyzed in a laboratory using specialized techniques to measure the target substance.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Changes in N-acetylglucosamine-6-sulfate levels may indicate underlying metabolic disturbances or conditions affecting glycosaminoglycan metabolism. While less frequently used than other blood tests, it can be critical in diagnosing specific genetic or metabolic disorders when other tests are inconclusive.
Frequently asked questions
What does this test measure?
How long will it take to get my results?
Can I eat or drink before 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