LDH Isoenzymes Test

Accurately identify the source of elevated LDH enzymes in your body, aiding in the diagnosis of heart, liver, and tumor-related conditions using advanced separation techniques.

Trusted medical contentUpdated: 04-09-2026Views: 46LHL-2295

Frequently Asked Questions

Short answers to the FAQs published with this service.

• What are LDH isoenzymes?

They are five distinct forms of the lactate dehydrogenase enzyme (LDH-1 to LDH-5) that can be separated in the blood to help identify the tissue source of the enzyme.

• What is the goal of the LDH Isoenzymes test?

The test aims to identify the specific source of elevated LDH levels, helping distinguish between heart, liver, and muscle diseases.

• Is fasting required for this test?

No, fasting is not required for the LDH isoenzymes blood test.

• Who are the target groups for this procedure?

The test is intended for patients with unexplained LDH elevation, suspected heart attack, liver or blood diseases, and cancer patients undergoing treatment.

• What symptoms may indicate a need for this test?

Symptoms include chest pain suggesting a heart attack, severe muscle pain, liver disease symptoms, or anemia.

• What are the normal percentage ranges for LDH isoenzymes?

The normal distribution is: LDH-1 (17-27%), LDH-2 (27-37%), LDH-3 (18-25%), LDH-4 (3-8%), and LDH-5 (0-5%) of total LDH.

Medical Laboratories

LDH Isoenzymes Test

Accurately identify the source of elevated LDH enzymes in your body, aiding in the diagnosis of heart, liver, and tumor-related conditions using advanced separation techniques.

Trusted medical contentUpdated: 04-09-2026Views: 46LHL-2295

View service availability

LDH Isoenzymes Test | LDH Isoenzymes Test

Home Service Available

Service typeLaboratory test (Blood)

Duration10-15 minutes

Fasting / preparationFasting is not required

Home serviceAvailable

Medical notice: this information is for education and service understanding. It is not a diagnosis or a recommendation for an unnecessary procedure.

About this service

Specialized test for separation and identification of the five isoenzymes of Lactate Dehydrogenase (LDH) enzyme in serum using electrophoresis techniques, helping differentiate between different tissue sources of the enzyme and diagnose the cause of its elevation.

What is included?

✓Advanced LDH enzyme isotope testing
✓A detailed report on isotope distribution
✓Personal support services from Lahalak

Conditions and notices

Fasting is not required
Fasting for 8-12 hours before the examination
Avoid strenuous physical activity for 24 hours prior
Sample drawn into an SST tube
Avoid hemolysis in the sample

Frequently Asked Questions

Short answers to the FAQs published with this service.

• What are LDH isoenzymes?

They are five distinct forms of the lactate dehydrogenase enzyme (LDH-1 to LDH-5) that can be separated in the blood to help identify the tissue source of the enzyme.

• What is the goal of the LDH Isoenzymes test?

The test aims to identify the specific source of elevated LDH levels, helping distinguish between heart, liver, and muscle diseases.

• Is fasting required for this test?

No, fasting is not required for the LDH isoenzymes blood test.

• Who are the target groups for this procedure?

The test is intended for patients with unexplained LDH elevation, suspected heart attack, liver or blood diseases, and cancer patients undergoing treatment.

• What symptoms may indicate a need for this test?

Symptoms include chest pain suggesting a heart attack, severe muscle pain, liver disease symptoms, or anemia.

• What are the normal percentage ranges for LDH isoenzymes?

The normal distribution is: LDH-1 (17-27%), LDH-2 (27-37%), LDH-3 (18-25%), LDH-4 (3-8%), and LDH-5 (0-5%) of total LDH.

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Important Notice:

Content on LahaLak is provided for educational purposes only. It is not a medical diagnosis, prescription, or substitute for consulting a qualified clinician. Medical decisions should not be made from this content alone.

Content reviewed according to the LahaLak Quality Charter.Editorial Policy & Medical Standards

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