Skip to content

Herpes Simplex Virus Type 1 Antibody, Skin Qualitative

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

This test checks for antibodies to the herpes simplex virus type 1 (HSV-1) in your skin, which may indicate past or current infection.

Quick summary

["It helps determine if you’ve been exposed to HSV-1, which can cause cold sores or other infections."]

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

Key facts at a glance

LOINC
5845-3
Short code
HSV1 Ag Skin Ql IF
Synonyms
HSV1 Ag Skin Ql IF
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
if
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 recurring cold sores, skin rashes, or symptoms suggestive of HSV-1 infection. It can also be used to confirm exposure in certain clinical situations, such as after potential exposure to someone with HSV-1.

What to Expect During the Test

A small sample of your skin may be collected, often through a swab or biopsy, to detect HSV-1 antibodies. This is usually a quick, painless procedure with minimal discomfort.

How the Results Are Interpreted

Positive results suggest you have antibodies to HSV-1, meaning you’ve likely been infected at some point. Negative results indicate no detectable antibodies, though this doesn’t always mean you’re currently free of infection.

What the Results Mean for Your Health

While this test confirms past exposure, it doesn’t show active infection status. If you suspect active HSV-1 infection (e.g., cold sores), other tests or clinical evaluation may be needed. Antibodies don’t change over time, so this test reflects your immune response to past infection.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

HSV-1 Antibody (Skin)

Frequently asked questions

How often will I need this test?
This test is typically done once if you have symptoms or a suspected exposure. Antibody levels don’t change with time, so repeat testing isn’t usually necessary unless you have new symptoms or specific clinical reasons.
What does a positive result mean for my treatment?
A positive result means you’ve been exposed to HSV-1, but it doesn’t dictate treatment. If you have active symptoms (like cold sores), your doctor may prescribe antiviral medication to manage symptoms or reduce outbreaks.
Can I get HSV-1 from this test?
No, this test does not transmit HSV-1. The sample is collected and processed in a sterile manner to prevent infection.
  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