Quick Reference
- Full form
- Lactate Dehydrogenase
- Sample type
- Blood
- Fasting
- Not required
- Marker measured
- 1
- Report turnaround
- Same day
- Available at
- All locations
About LDH (Serum)
LDH is an enzyme found in many tissues throughout your body, so a raised level is a general sign of tissue damage that can come from the heart, liver, muscles, or blood cells. It is often used alongside more specific tests to narrow down the cause.
No fasting is required, and results are available the same day.
How to Prepare
- No fasting required.
- No special preparation needed before your blood draw.
Frequently Asked Questions
What does a high LDH level mean?
It is a general sign of tissue damage, which could involve the heart, liver, muscles, or blood cells, so more specific tests are usually needed to pinpoint the cause.
Do I need to fast before this test?
No fasting is required.
Is LDH specific to one organ?
No, it is a non-specific marker found in many tissues, so your doctor interprets it alongside other targeted tests.
When is LDH commonly checked?
It is used when investigating unexplained tissue damage, certain cancers, or monitoring conditions like hemolytic anemia.
How soon will my report be ready?
Same day.
Is home sample collection available?
Yes, in all City Care Lab service areas.
This page provides general health information and is not a substitute for medical advice. Speak with your doctor about your specific results and treatment.