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COL4A5 Gene Mutation Detection (Blood)

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

This test checks for genetic changes in the COL4A5 gene, which may be linked to certain blood vessel disorders or bleeding problems.

Quick summary

["Genetic testing to identify mutations in the COL4A5 gene that could affect blood health."]

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

Key facts at a glance

LOINC
53853-8
Short code
COL4A5 gene Mut Anl Bld/T
Synonyms
COL4A5 gene Mut Anl Bld/T
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
molgen
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

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have a family history of conditions like Alport syndrome, hemolytic-uremic syndrome (HUS), or other rare vascular or bleeding disorders. It could also be part of prenatal testing if you or your partner carry a known COL4A5 mutation.

What the Test Involves

A small blood sample is taken from your arm. The sample is then analyzed to detect specific genetic variations in the COL4A5 gene, which encodes a protein important for blood vessel stability.

What to Expect Before the Test

No special preparation is needed, but inform your provider if you are pregnant, taking medications, or have any known allergies. Avoid alcohol before testing if advised by your doctor.

What the Results Mean

Results can be positive (mutation detected), negative (no mutation found), or inconclusive. Positive results may indicate an increased risk for certain conditions, prompting further evaluation or genetic counseling.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

COL4A5 Mutation Test

Frequently asked questions

What Does This Test Detect?
This test detects mutations in the COL4A5 gene, which can cause structural issues in blood vessels or contribute to bleeding disorders. Mutations may appear in inherited conditions or arise spontaneously.
What Are the Possible Implications?
If a mutation is found, it may help explain symptoms like kidney problems, vision changes, or bleeding tendencies. It can also guide family planning and genetic counseling for at-risk relatives.
How Often Should I Get This Test?
This test is typically ordered as part of a diagnostic evaluation or screening, not routinely unless you have symptoms or a family history. Follow-up may include additional genetic testing or monitoring based on results.
  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