Creatine Kinase (CK) and Lactate Dehydrogenase (LD), Totals and Isoenzymes

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Turnaround Time: 4 - 7 days
CPT Code:

 82550; 82552; 83615; 83625

Test Type: 3 mL refrigerated, 3 mL room temperature serum
Stability Time:

Creatine kinase: refrigerate. Lactate dehydrogenase: maintain specimen at room temperature. Do not freeze or refrigerate. Creatine kinase: stable refrigerated for 48 hours or frozen for two weeks. Lactate dehydrogenase: stable at room temperature for seven days or refrigerated for no more than three days.

Overview:

Evaluation of possible myocardial damage or other cardiac diseases. See individual test descriptions for CK Isoenzymes and LD Isoenzymes.

Collection Details:

Collection Instructions:

State sex of patient on the test request form.

Red-top tube or gel-barrier tube.

Creatine kinase: refrigerate. Lactate dehydrogenase: maintain specimen at room temperature. Do not freeze or refrigerate. Creatine kinase: stable refrigerated for 48 hours or frozen for two weeks. Lactate dehydrogenase: stable at room temperature for seven days or refrigerated for no more than three days.