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Hepatitis C Virus Genotype Detection (Qualitative, Serological)

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

This test checks whether you have hepatitis C virus (HCV) and, if present, identifies which genotype (type) of HCV you have. Genotype testing helps determine the best treatment approach.

Quick summary

["Identifying your HCV genotype guides your doctor in choosing the most effective treatment plan."]

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

Key facts at a glance

LOINC
82514-1
Short code
HCV Gentyp 3 NS5a Mut Det Islt
Synonyms
HCV Gentyp 3 NS5a Mut Det Islt
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
genotyping
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 Is Done

Your doctor may recommend this test if you have signs of liver damage, chronic hepatitis C, or if you’re at higher risk for HCV (e.g., exposure to contaminated blood, injection drug use, or living with someone who has HCV). It’s also part of routine monitoring for those already diagnosed with HCV.

How the Test Works

Blood is drawn to collect a sample. The lab uses an immunoassay method to detect HCV RNA (genetic material from the virus) and classify it into one of several known genotypes (e.g., 1, 2, 3, etc.). This helps tailor treatment options based on the virus’s specific type.

What to Expect Before the Test

No special preparation is needed, but inform your doctor about any medications you’re taking, as some may affect test results. Avoid alcohol before the test if advised by your provider.

What the Results Mean

A positive result means you have HCV and the genotype(s) identified. A negative result means no detectable HCV RNA at the time of testing. Results help guide next steps, such as starting antiviral therapy or further testing.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

HCV Genotype Test

Frequently asked questions

How long does it take to get results?
Results are typically available within 1–2 weeks, depending on lab processing times. Your doctor will contact you once results are ready.
Can I have the genotype information without knowing if I have HCV?
No, this test specifically detects HCV RNA to confirm infection before genotyping. If you’re already diagnosed with HCV, your doctor may recommend genotype testing to choose the right treatment.
What if my genotype is different from what my doctor expected?
Genotype testing is precise, but rare discrepancies may occur due to lab errors or viral variability. Your doctor will discuss the results and adjust treatment plans as needed.
  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