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Test Name

Lactate Dehydrogenase (LD)

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CPT Code(s)**

83615
**IMPORTANT: CPT Code is informational only; obtain the Test Code for ordering.

Methodology

Spectrophotometry (SP)

Reference Range(s)

  Male (U/L) Female (U/L)
<1 Month 125-735 145-765
11 Months 170-450 190-420
3 Years 155-345 165-395
6 Years 155-345 135-345
10 Years 140-270 140-270
13 Years

110-250

110-250
17 Years 110-230 110-230
49 Years 100-220 100-200
>49 Years 120-250 120-250

Clinical Significance

Elevations in serum lactate dehydrogenase occur from myocardial infarction, liver disease, pernicious and megaloblastic anemia, pulmonary emboli, malignancies, and muscular dystrophy. Since lactic dehydrogenase is present in many body tissues, it's diagnosis usefulness is limited. Tissue specificity may be enhanced by isoenzyme analysis.

Alternative Name(s)

LD,LDH (Lactic Dehydrogenase),Lactic Acid Dehydrogenase

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

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593
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3452
593
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593
593
593
25320E
25320E
593X
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593
593
Lactate Dehydrogenase (LD)
593