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Glucose (Blood) – Qualitative Strip Test (Manual)

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

This test checks for the presence of glucose (sugar) in your blood using a simple, at-home strip method. It helps monitor blood sugar levels, often used in diabetes management.

Quick summary

["A quick way to detect sugar in your blood, useful for tracking diabetes symptoms or managing glucose levels at home."]

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

Key facts at a glance

LOINC
2341-6
Short code
Glucose Bld Manual Strip-mCnc
Synonyms
Glucose Bld Manual Strip-mCnc
Category
glucose
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Ref low
70
Ref high
100
Critical range
50 N/A – 400 N/A
Fasting
true
Population
adult
Sex
all
Age range
18–65 years
Method
test-strip-manual
CPT
82947
SNOMED
260395008
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

How the Test Works

The test strip absorbs a small amount of your blood (typically from a finger prick). A chemical reaction occurs, changing the strip’s color if glucose is present. The color change intensity indicates whether glucose is detected.

What to Expect Before the Test

No special preparation is needed. Clean the testing area with an alcohol wipe, apply a small drop of blood, and follow the instructions on the test kit. Results are usually available within 10–15 minutes.

What the Results Mean

The strip’s color change is qualitative (yes/no) rather than quantitative. A positive result means glucose is detected, which may signal high blood sugar. A negative result means no detectable glucose.

When to See a Doctor

If you have diabetes or suspect it, consult your doctor if results show frequent positive readings. Persistent high glucose may require medical evaluation or adjustments to your treatment plan.

Reference range

Fasting: 70-100 mg/dLN/A

Specimen: whole-blood

Fasting for 8-12 hours required. Water is permitted. Avoid chewing gum and smoking before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Glucose Check (Manual Strip)

Frequently asked questions

Why is this test important?
This test helps screen for diabetes or monitor blood sugar levels in people with known diabetes. It can also detect metabolic issues like hypoglycemia (low blood sugar) in certain contexts.
What does a positive result indicate?
A positive result suggests elevated glucose levels, which may indicate diabetes, poor blood sugar control, or other metabolic conditions. It’s not a definitive diagnosis but warrants further medical review.
How often should I use this test?
Follow your healthcare provider’s guidance. For diabetes management, tests may be recommended daily or as prescribed. Avoid using this test for diagnostic purposes alone—consult a doctor for interpretation.
  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