Lactate Dehydrogenase
Abbrev Code: | LDH | ||
Order Code: | LAB5891 | Order Name: | Lactate Dehydrogenase |
Synonyms: | LD | ||
Methodology: | Roche: UV assay - NAD to NADH
Vista: Bichromatic rate St John/Woodwinds: Lactate to pyruvate |
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CPT Codes: | 83615 x1, 83615 x1 | ||
Turnaround Time: | Performed and reported 24 hours/day. | ||
Special Instructions: | Room temperature sample must be analyzed within 24 hours of collection. UMMC-East Bank Only: Add-ons are acceptable within 4 hours of collection if on the automation line and/or refrigerated. Room temperature specimens are acceptable up to 24 hours. | ||
Associated Links: |
Collection Instructions
Specimen: | Blood |
Optimal Volume: | 2.5 mL |
Minimum\Peds Volume: | 0.6 mL |
Container: | Green (lithium heparin, gel), St Johns/Woodwinds - Red (no gel) only -no alternate container Alternate Containers: Green (lithium heparin, no gel), Red (no gel), Red or gold (gel) |
Causes for Rejection: | Hemolyzed or refrigerated specimens. Specimens greater than 24 hours old. |
Processing and Shipping
Specimen Processing: | Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store at room temperature. Analyze within 24 hours of collection. Separate plasma or serum from cells promptly. Avoid prolonged refrigeration. Centrifuge samples containing precipitate before analyzing. |
Shipping Instructions: | Ship at room temperature. |
Stability: | Vista: 24 hours at room temperature
Roche: 7 days at room temperature; 4 days refrigerated; 6 weeks frozen. |
Test Performed at or Referral Lab | Chemistry (Clinics, CSC Maple Grove, CSC Mpls, Grand Itasca, Lakes, Northland, Oxboro Clinic, Range, Roche-Ridges, Roche-UMMC East, Southdale, St. John's, UMMC/UMMCH-West Bank, Woodwinds) |
Interpretive
Reference Range: |
Grand Itasca (all ages, M/F): 140-271 U/L
St Johns/Woodwinds:
All other sites:
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