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Test Code LD Lactate Dehydrogenase (LDH), Serum

Reporting Name

Lactate Dehydrogenase (LD), S

Useful For

Investigation of a variety of diseases involving the heart, liver, muscle, kidney, lung, and blood

 

Monitoring changes in tumor burden after chemotherapy; lactate dehydrogenase elevations in patients with cancer are too erratic to be of use in the diagnosis of cancer

Testing Algorithm

For more information see Multiple Myeloma: Laboratory Screening

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Necessary Information


Patient's age is required.



Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Ambient (preferred) 7 days
  Frozen  30 days
  Refrigerated  48 hours

Reference Values

1-30 days: 135-750 U/L

31 days-11 months: 180-435 U/L

1-3 years: 160-370 U/L

4-6 years: 145-345 U/L

7-9 years: 143-290 U/L

10-12 years: 120-293 U/L

13-15 years: 110-283 U/L

16-17 years: 105-233 U/L

≥18 years: 122-222 U/L

Day(s) Performed

Monday through Sunday

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

83615

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LD Lactate Dehydrogenase (LD), S 14804-9

 

Result ID Test Result Name Result LOINC Value
LD Lactate Dehydrogenase (LD), S 14804-9

Report Available

Same day/1 to 3 days

Reject Due To

Gross hemolysis Reject

Method Name

Photometric Rate Reaction