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Hemoglobin Sickle Cell Traits Screening (Serum/Plasma Glucose Metabolite Profile)

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

This test evaluates the presence of abnormal hemoglobin variants, including sickle cell trait, by analyzing glucose-related metabolites in a blood sample.

Quick summary

["This screening helps identify genetic conditions that may affect blood flow and oxygen delivery."]

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

Key facts at a glance

LOINC
42913-4
Short code
Hgb sp1 Spec gastro lower Ql
Synonyms
Hgb sp1 Spec gastro lower Ql
Category
hematology
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
10
Ref high
40
Critical range
7 N/A – 20 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
84484
SNOMED
302774002
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 glucose metabolites (e.g., related to hemoglobin breakdown or synthesis) that can indirectly reflect the presence of sickle cell trait. It uses a blood sample drawn from your arm, processed into serum or plasma, and analyzed via a chemical method to identify these markers.

Why It Matters for You

Sickle cell trait is a genetic condition where your blood cells may change shape under certain conditions, potentially causing pain or complications during extreme physical stress (e.g., dehydration, high altitude). While most people with this trait don’t experience symptoms, it’s important for certain activities (e.g., high-altitude travel, military service) to know your status.

How the Test Works

Your blood sample is sent to a lab where it’s separated into serum or plasma. The lab then uses a specialized chemical test to measure glucose-related metabolites linked to hemoglobin variants. This process helps determine if you carry the sickle cell gene pair (homozygous trait) or just one copy (heterozygous trait).

When You Might Need This Test

Your doctor may recommend this test if you have a family history of sickle cell disease, are considering certain jobs or travel (e.g., high-altitude work), or are experiencing symptoms like fatigue, pain, or frequent infections that could relate to blood disorders.

Reference range

Adult: 10-40 U/LN/A

Specimen: serum

No special preparation required. Avoid fatty meals before the test if possible.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Frequently asked questions

Is this test the same as a sickle cell disease test?
No. This test screens for sickle cell trait, which is different from sickle cell disease. Sickle cell trait is usually asymptomatic but can cause complications under stress. Sickle cell disease is a more severe condition requiring ongoing medical management.
What does a positive result mean?
A positive result indicates you carry the sickle cell gene pair (homozygous trait) or one copy (heterozygous trait). This doesn’t mean you’ll develop sickle cell disease, but it’s important to discuss with your doctor if you have concerns about activities or health risks.
Can I get this test at home?
No, this test requires a blood sample collected by a healthcare provider in a clinical setting. Your doctor will guide you on preparation and follow-up.
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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