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Serum or Plasma Substance Concentration (Bromocresol Green) for Saccharides (e.g., Glucose)

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

This test measures the concentration of certain sugar-related substances in your blood, often used to assess metabolic or metabolic-related conditions.

Quick summary

["Helps evaluate blood sugar levels or related metabolic processes."]

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

Key facts at a glance

LOINC
101407-5
Short code
Laceyella sacchari IgG Ser-aCnc
Synonyms
Laceyella sacchari IgG Ser-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
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

The test detects specific saccharides (simple sugars) in your blood using a dye-binding method called bromocresol green. This method helps quantify the presence of these substances, which may include glucose or other carbohydrates.

Why It’s Ordered

Your healthcare provider may order this test to monitor conditions like diabetes, metabolic disorders, or to check for abnormal sugar metabolism. It can also be part of broader metabolic screening.

Sample Collection and Preparation

Blood is drawn from a vein, typically in your arm. The sample is collected in a tube that separates serum or plasma from blood cells. This liquid portion is then analyzed for saccharide levels.

Common Uses and Conditions

This test is less commonly used today compared to direct glucose measurements but may still be employed in specialized cases, such as assessing carbohydrate metabolism in rare genetic disorders or monitoring certain metabolic syndromes.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical significance of this test includes identifying abnormal sugar metabolism patterns, which can indicate underlying metabolic diseases or help monitor treatment responses in conditions like diabetes or glycogen storage disorders.

Short name

BCG Saccharide Test

Frequently asked questions

Why might my doctor want to order this test?
Your doctor may order this test if they suspect a metabolic disorder affecting sugar metabolism, as part of a broader metabolic evaluation, or if they need to assess specific carbohydrate-related conditions that require specialized testing methods.
How long will I need to prepare for this test?
No special preparation is typically required, but you may be asked to fast for 8–12 hours before the test if glucose levels are being specifically monitored. Always follow your healthcare provider’s instructions.
What are the possible risks or side effects of this blood draw?
The most common side effect is mild bruising, swelling, or discomfort at the injection site. Rarely, there may be a slight reaction to the needle. Most people experience minimal or no discomfort.
  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