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Test ID LD Lactate Dehydrogenase (LD), Serum

Useful For

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

 

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

Method Name

Photometric Rate

Reporting Name

Lactate Dehydrogenase (LD), S

Specimen Type

Serum

Specimen Required

Container/Tube:

Preferred: Serum gel

Acceptable: Red top

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 aliquoted within 2 hours of collection.


Necessary Information:

Patient's age is required.


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) and Time(s) Performed

Monday through Sunday; Continuously

Performing Laboratory

Mayo Medical Laboratories in Rochester

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

Test Classification

This test has been cleared or approved by the U.S. 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.

Testing Algorithm

See Laboratory Screening Tests for Suspected Multiple Myeloma in Special Instructions.