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Hepatitis C Virus Genotype by Serological Probe (Serum/Plasma)

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

This test identifies which specific strain (genotype) of the Hepatitis C Virus (HCV) you have, using a blood sample to help guide treatment decisions.

Quick summary

["Determining your HCV genotype helps tailor the most effective treatment plan for your infection."]

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

Key facts at a glance

LOINC
32286-7
Short code
HCV Gentyp SerPl NAA+probe
Synonyms
HCV Gentyp SerPl NAA+probe
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
CPT
86803
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

Why This Test Matters

HCV is a virus that attacks your liver and can cause serious long-term health problems, such as cirrhosis or liver cancer. Different HCV genotypes respond differently to treatments, so knowing which genotype you have helps your healthcare provider choose the best medication and plan for recovery.

How the Test Works

This test uses a specialized probe to detect and classify the specific genetic sequence of your HCV. Blood is drawn from a vein, and the serum or plasma is analyzed in a laboratory to identify the virus’s genotype.

Sample Collection

A small amount of blood is taken from your arm using a needle. This is a quick and usually painless procedure. The blood is then processed to separate the serum or plasma for testing.

What to Expect Before the Test

No special preparation is needed for this test. You may have some mild discomfort or bruising at the injection site, but this typically goes away quickly. If you’re on blood-thinning medication, let your healthcare provider know before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

HCV Genotype Test

Frequently asked questions

Your HCV genotype determines which antiviral medications may work best for you. Some genotypes respond better to certain treatments, and knowing yours helps your doctor create a personalized treatment plan to clear the virus more effectively and safely.
Genotype testing is also important for monitoring treatment response and adjusting therapy if needed. It helps ensure you receive the most effective care with the fewest side effects.
How long will the results take?
Results from this test typically take 1 to 2 weeks to complete, depending on your healthcare provider’s lab. Your doctor will discuss the findings with you once they’re ready.
What if my genotype is unknown?
If your genotype hasn’t been tested before, your doctor may recommend starting with a broader HCV test (like an antibody test) to confirm infection before proceeding with genotype testing. This helps ensure accurate results and proper treatment planning.
  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