MICHIGAN INNOVATIVE DIAGNOSTICS

Nonspecific marker of tissue damage (liver, heart, muscle, hemolysis).

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LIS TEST CODE: LDH

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CPT CODE: 83615

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ALIASES: LDH, LD

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METHODOLOGY: Lactate to Pyruvate

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SPECIMEN:

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- Type: Serum

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- Container: Gold Top (SST) Vacutainer

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- Minimum Volume Required: 1 mL

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- Storage/Handling: Allow 30 minutes for blood to clot, then centrifuge specimen at 3500 RPM for 10 minutes. Maintain specimen at room temperature, in the refrigerator, or in the freezer until testing can be performed.

 

NOTE: If freezing is required to preserve stability, transfer serum into a separate plastic screw-cap transport container.

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- Stability:     

 

Room Temperature (20-25 °C): 7 days

Refrigerated (2-8 °C): 4 days

Frozen (-20 °C or colder): 6 weeks; avoid multiple freeze/thaw cycles.

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- Turnaround Time: 24 - 48 hours from receipt.

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Special Instructions: N/A

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REJECTION REASONS: QNS, Gross Hemolysis, Gross Lipemia, Contamination, Stability Violation, Expired Container, Incorrect Container

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REFERENCE RANGES:

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Males & Females (U/L)

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1 - 3 years of age: 160 - 370 

4 - 6 years of age: 145 - 345 

7 - 9 years of age: 143 - 290 

10 - 12 years of age: 120 - 293 

13 - 15 years of age: 110 - 283

16 - 17 years of age: 105 - 233 

>= 18 years of age: 122 - 222 ​

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