Skip to content

Hepatitis C Virus Nucleic Acid Detection by Genotyping (Qualitative)

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

This test checks for the presence of hepatitis C virus (HCV) genetic material in your blood and identifies which HCV genotype you may have, if present.

Quick summary

["Helps determine your HCV infection type and guides treatment decisions."]

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

Key facts at a glance

LOINC
73654-6
Short code
HCV NS3 Mut Det Islt Genotyp
Synonyms
HCV NS3 Mut Det Islt Genotyp
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 healthcare provider may order this test if you have symptoms of hepatitis C (such as fatigue, abdominal pain, or jaundice) or if you’ve been exposed to HCV. It’s also used to monitor treatment progress or check for recurrence after treatment.

What to Expect Before the Test

No special preparation is needed. You’ll have a small needle inserted into your arm for a blood draw. The sample is then tested in a lab to detect HCV genetic material and determine its genotype.

What the Test Results Mean

A positive result means HCV genetic material is present. The genotype number (e.g., 1, 2, 3) helps your doctor choose the most effective treatment plan. A negative result means no detectable HCV genetic material was found in this sample.

Possible Side Effects or Risks

Most people experience only mild discomfort or bruising at the injection site. Rarely, there may be a slight reaction like swelling or redness.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is critical for managing hepatitis C because different genotypes respond differently to treatments like antivirals. Knowing your genotype helps your doctor tailor treatment to your specific needs, improve outcomes, and reduce the risk of long-term liver damage.

Short name

HCV Genotyping (Nucleic Acid Test)

Frequently asked questions

What does a positive test result mean for my long-term health?
A positive result means you have an active HCV infection. With treatment, many people clear the virus and avoid long-term liver damage. Your doctor will work with you to choose the best treatment based on your genotype and overall health.
Can I still get treated even if my test is positive?
Yes! Modern treatments are highly effective and can cure HCV in most people. Your doctor will guide you through the process, including any follow-up tests.
How often will I need this test if I’m being treated?
Your doctor may order follow-up tests (like HCV RNA levels) during treatment to monitor progress. The frequency depends on your treatment plan and response.
  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